Bitumen Roofing Help You Enjoy An Organic Way Of Living

Just before living healthy, organic seemed to be a word that meant the same as veggies for me. If a product was organic then it must have vegetables in it. However, organic evolved into a label that eggs and other meats sported so I resolved the issue by finally understanding what it meant. For food, it refers to products that are usually all-natural to a tee without having any kind of processing or chemical extras. For the technical side, organic is actually anything mixed with or has got carbon on it. People possess carbon bases so this allows us to have the organic lifestyles with organic, earth friendly, and modified bitumen roofing.

Bitumen, contrary to organic meals, needs to join other chemical seasonings to work but it’s still the better option for the natural environment. This tar is what makes up the primary mix of the tarmac or an airport strip. This is when another vocabulary uncertainty sets in. Others refer to it as tarmac but some recognise it as asphalt or pavement. It will depend on the number of times you experience people mention it. I really hear pavement and asphalt road a lot but tarmac sounds extremely hardcore.

Despite bitumen’s numerous labels in different countries, it does not change the fact that this type of roofing would help make your home a fortress. If a tarmac or road could handle planes and moody weather, you could bet that a modified roof having this exact same material can, also. You can possibly protect your home, the people inside it, and care for the environment. I should say that’s a triple win. The added bonus is that the roofing can last longer. Just make sure that the roofing you get has got the recognition and approval of BMCMA.

The latter is an organization that ensures roofing suppliers properly make use of bitumen coating. This almost solid compound has many different uses and is not tied to roads or roofs. Amongst its various other uses, bitumen may be found in paint form and it has the ability to soothe a number of skin conditions. Bitumen is comparable to gold. Canada produced bitumen and brought in a gold rush some five years back.

Environmentalists and people big on ethics immediately had their own stand about the oil sands. That would be the expected and bold thing to do. Individuals who uphold organic lifestyles have a pressing concern for sources and means which help make their way of life doable. Moreover, it is the best thing to accomplish because our world along with its inhabitants can not anymore handle extra issues on top of abnormal weather change. That is why many people have switched to organic to be able to help our planet.

The Bitumous Roof Coating Manufacturers Association, in a way, helps our planet. Their conscious projects in commercial roofing requirements take workplaces a step further on to greener solutions. Once you head to work in an organic setting and go home to an organic roof structure, your personal choice of surroundings make up your way of life.

Al is an author for ‘ELRA’, the major manufacturers of liquid applied finish approved by contractors and related materials providers. If you’re looking for bitumen roofing or if you have home and buildings enhancement requirements then you ought to check out ELRA.

source: homedecorcenter.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Black Bitumen Paint

A general purpose bituminous paint for waterproofing and weather protecting steelwork, concrete, potable water tanks, which complies with BS 3416 Type 1 Class A. For protecting metal, corrugated iron, fire escapes, stairways, ladders, storage tanks, gutters, downspouts, fences, railing gates, and the protection of concrete structures, stone, brick and sand/cement.  Suitable for the protection of drinking water tanks. Porous surfaces must be thoroughly clean and dry, and should be primed with Bitumen Primer or Black Bitumen Paint diluted with 20% white spirit.  On bare metal a rust inhibiting product such as red oxide or zinc phosphate should be applied and allowed to harden.  On surfaces previously covered with a bituminous compound all dirt, grease and loosely adhering material must be removed by brushing or washing.  Any bare patches of metal should be spot primed. A minimum of two coats of Black Bitumen Paint should be applied. The first coat must be left to dry before the second is applied. The product may bleed through any paints subsequently applied over it. Apply a primer recommended by the paint manufacturer before over painting.

source: cromar.uk.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Bitumen Application

The vast majority of refined bitumen is used in construction: primarily as a constituent of products used in paving and roofing applications. According to the requirements of the end use bitumen is produced to specification. This is achieved either by refining process or blending.

It is estimated that the current world use of bitumen is approximately 102 million tonnes per year. Approximately 85% of all the bitumen produced is used as the binder in asphalt for roads. It is also used in other paved areas such as airport runways, car parks and footways. 

 Source: The Bitumen Industry - A Global Perspective, 2008

Heavy duty pavings, Urban roads paving, rural roads paving, main roads paving, industrial uses.Heavy duty paving is used in Airports, ports and railways require paving solutions that can withstand extremely heavy loads and high pavement stress. These pavements are subject to sustained loads, often in channels such as loading bays which can lead to rutting.

In the past, bitumen was used to Waterproof Boats, and even as a coating for buildings with some additives. The Greek historian Herodotus said hot bitumen was used as mortar in the walls of Babylon. It is also possible that the city of Carthage was easily burnt due to extensive use of bitumen in construction.

Vessels for the heating of bitumen or bituminous compounds are usually subject to specific conditions in public liability insurance policies, similar to those required for blow torches, welders, and flame-cutting equipment.

Bitumen was also used in early photographic technology. It was most notably used by French scientist Joseph Nicéphore Niépce in the first picture ever taken. The bitumen used in his experiments were smeared on pewter plates and then exposed to light, thus making a black and white image.

Thin bitumen plates are sometimes used by computer enthusiasts for silencing computer cases or noisy computer parts such as the hard drive. Bitumen layers are baked onto the outside of high end dishwashers to provide sound insulation.

sources: engineerstoday.blogspot.com , eurobitume.eu , shivamtarproducts.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Bitumen Production Process

Refined Bitumen is produced from selected crude oils through a process of Fractional Distillation. The crude oil is heated to temperatures of between 300 and 350 degrees Celsius and fed into a distillation column allowing the lightest fractions of the crude to separate, through vaporization, from the heavier fractions, which remain liquid. The production is a specialist activity and is not carried out in all oil refineries. Bitumen requires crude oils with specific characteristics and only some crude oils are suitable. There are 94 oil refineries in Europe (EU15) of which 63 produce bitumen.

Bitumen is an engineering material and is produced to meet a variety of end-use specifications based upon physical properties. Bitumen may be customised for special road applications and hundreds of grades have also been developed for the non-road industrial segment, including roofing and sound-proofing.

source: trencome.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Fluxed Bitumen

Fluxed bitumens are bitumen preparation where the viscosity of the binder has been reduced by the addition of relatively non-volatile oils.

The added oil is called a fluxing agent and the resulting product fluxed bitumen. Fluxed bitumen is used where traffic and climatic conditions make slow curing of the binder desirable. The fluxing agent prolongs the period before serious hardening of the binder affects its performance. It is desirable that the binder remains as soft as possible, consistent with its ability to hold aggregate under the required conditions of traffic.

source:goda02.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Road Recycling Methods

Purpose

Roads are rehabilitated to correct deficiencies such as rutting, cracking, oxidation, brittleness, irregular shrinkage, and aggregate stripped of asphalt.

Methods

The following methods of roadway rehabilitation recycle old pavement into new:

Cold, In-Place Recycling. The pavement is removed by cold planing to a depth of 3 to 4 inches. The material is pulverized, sized, and mixed with an additive. Virgin aggregate may be added to modify RAP characteristics. An asphalt emulsion or a recycling agent is added, then the material is placed and compacted. An additional layer is optional, such as a chip seal, or 1 to 3 inches of hot-mix asphalt.

A 3-piece "train" may be used, consisting of a cold planing machine, a screening/crushing/ mixing unit, and conventional laydown and rolling equipment. This "train" occupies only one lane, thus maximizing traffic flow. Caltrans has used cold in-place recycling in over 25 projects in California.

According to the Asphalt Recycling and Reclaiming Association, cost savings can range from 20 to 40 percent over conventional techniques. Because no heat is used, energy savings can be from 40 to 50 percent.

Hot Recycling. At a central plant, RAP is combined with hot new aggregate, and asphalt or a recycling agent to produce AC, using a batch or drum plant. The RAP is usually obtained from a cold planing machine, but could also be from a ripping/crushing operation.

Hot, In-Place Recycling. The pavement is softened by heating, and is scarified or hot milled to a depth of 3/4 to 1-1/2 inches and mixed. New hot mix material and/or a recycling agent is added in a single pass of the machine. A new wearing course may also be added with an additional pass after compaction.

Hot Mix--Remixing. The road is heated to 1-1/2 to 2 inches, and the existing AC is removed to that depth. It is then mixed with virgin mix and/or rejuvenating agents and laid as a single course.

Hot Mix--Repave. This method is the same as remixing, but it is overlaid with new hot mix.

Hot Mix--Heater Scarification. This method is appropriate for roadways that have a stable and structurally adequate base. The road is heated, scarifiers scrape and loosen the pavement, rejuvenating agent is applied, and the surface is leveled in preparation for the addition of a final, thin, wearing course.

Full-Depth Reclamation. All of the asphalt pavement section and a portion of the underlying materials are processed to produce a stabilized base course. The materials are crushed and additives are introduced; the materials are then shaped and compacted, and a surface or wearing course is applied.

source:calrecycle.ca.gov

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Polymer-Modified Bitumen

Polymer-modified bitumen or modified bitumen (MB) sheet membranes were developed in Europe in the early 1960s and have been in use in the U.S. since the mid 1970s. Polymer-modified roof membranes are composed of reinforcing fabrics that serve as carriers for the hot polymer-modified bitumen as it is manufactured into a roll material. MB roof system membranes are composed of multiple layers, much like BUR membranes. MB roof systems typically are installed as a two-ply system and almost always are fully adhered.

There are two types of MB roofing membranes:

SBS polymer-modified bitumen membranes commonly are installed in hot moppings of asphalt (similar to BUR systems) or cold adhesive. Some SBS modified membranes are self adhering; that is, they contain an adhesive backing.

APP polymer-modified bitumen membranes typically are heat-welded or torch-applied. Consumers should be cautioned that Rain-tite does not recommend torch-applying a modified bitumen membrane sheet directly to a wood deck.

Generally, APP modifiers impart a “plasticized” quality to asphalt, and SBS modifiers impart a “rubberized” quality to asphalt. MB membranes and EPDM, a thermoset membrane, often are confused by consumers because of colloquialisms used by roofing contractors. MB and EPDM membranes are sometimes called “rubber roofs.”

Surfacings for MB membranes include aggregate surfacing, mineral surfacing, metal foil-laminate surfacing and smooth liquid-applied surfacing.

A roof system composed of a built up roof membrane with 2 plies or 3 plies and a polymer-modified bitumen membrane cap sheet is commonly referred to as “hybrid” system. This type is widely considered to be a polymer modified bitumen membrane system.

source: rain-tite.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Tips on Commercial Roofing Evaluations

Commercial roofing is one of the most demanding areas for expertise in the insurance industry today, as there are millions of commercial structures and hundreds of different roofing systems and variations in application. The history of a building’s roof may have a significant influence on its performance. There may be multiple layers of roofing on a single building, and the materials and their applications have changed over the years.

Roofing Systems
The three most common roofing systems are built-up roofing, modified bitumen roofing and single-ply roofing.

Built-up roofing comprises multiple layers of felt sandwiched together with molten asphalt, and typically covered with a protective coating or a roll-roofing cap-sheet. Built-up systems offer redundancy because of layers of reinforcements.
Modified bitumen roofing systems normally comprise a felt base sheet covered with a modified bitumen cap sheet. The modified bitumen cap sheet comprises reinforcement coated with asphalt mixed with a plastic or rubber to make the bitumen more tough and tear-resistant. The modified bitumen is covered with a protective coating such as aluminum-rich paint or granules to protect it from sun exposure.

Single-ply roof systems comprise a variety of plastics and rubbers: ethylene propylene diene monomer (EPDM), thermoplastic olefin/polyolefin (TPO) and polyvinyl chloride (PVC). These systems are single-layer applications of roofing sheets bonded along their seams with heat or adhesive. The seam bonds keep water from infiltrating the roofing. Single-ply systems are designed for direct exposure to sunlight.
When evaluating a roof system it is important to determine the constituents and attachment of the system.

Hail Damage
Hail storms typically have a predominant fall direction. The direction can be determined by examining building features on and off the roof. Hail can leave spatter marks on oxidized surfaces, such as electric junction boxes, and often leave evidence of impact as dents in metals such as air-conditioner cooling fins, roof vents and flashing. Roofing surfaces exposed to the predominant direction of hail-fall will exhibit damage first, and this damage should be the most severe.

Roofing systems installed over softer substrates are more susceptible to hail than those installed over stiffer substrates, which provide additional resistance to hail. Further, areas of ponded water can accelerate the deterioration of roofing membranes and make these areas more susceptible to impact.
Evaluation of large hail strikes against built-up and modified bitumen roof systems often requires the removal of roofing cores, which are transported to a lab. There, the sample is examined under magnification and the bitumen is removed from the core with solvent to examine the reinforcing for strain and tears characteristic of impacts. Hail damage to single-ply roofing systems typically is discernible in the field, but it may be helpful to remove cores from the roofing and examine certain areas with a microscope and/or high intensity backlighting to identify fractures caused by hailstone impacts.

Wind Damage
A building has widely varying force levels on its roof surfaces, and it is reasonable to expect the most severe wind damage to occur at the windward corners and edges of the roof where wind forces are the strongest. Building codes require more uplift resistance capacity for roofing in these areas. It is not uncommon for roof fastener patterns on shoreline structures and tall buildings to require 50 percent more fasteners along the edges and 100 percent more fasteners in roofing corners than in the field of the roof.
If wind forces have reached levels strong enough to damage the common commercial roofing systems, there typically is some combination of lifted, torn, and/or peeled back roofing concentrated where wind forces are the strongest at the windward edges and corners of the roof.
Additionally, examine roofing at roof penetrations looking for wrinkles and tears or any other evidence of roof membrane displacement. If roofing failure has occurred at wind speeds less than expected, examine and document the roof system attachment within those areas. Often premature failure occurs due to inadequate fasteners, inadequate adhesion, or some combination of the two. Situations such as these may be significant subrogation opportunities.

By Kenneth R. Gilvary
source:claimsjournal.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Bitumen Grading

Bitumen is a thermoplastic material, that is, its stiffness is dependent on its temperature. Its stiffness decreases as its temperature is increased. This temperature versus stiffness relationship is different for different bitumen based on the origin of the petroleum crude and/or method of refining.

Chewing in mouth was the first mode of testing to determine stiffness (hardness) of bitumen during the late 19th century. Experienced bitumen inspectors used the technique for testing and accepting bitumen for paving. Obviously, the test temperature was 98.6 F (37 C) equal to the average human body temperature.

Grading of bitumen by penetration test at 25 C was adopted in 1903, about 100 years ago. In penetration test a needle loaded with 100 grams is allowed to penetrate the bitumen maintained at temperature of 25 C in a water bath, for 5 seconds. The resulting penetration is measured in mm;1 penetration unit = 0.1 mm. The greater the penetration, the softer is the bitumen.

Viscosity grading at 60 C was introduced in the Unites States during 1970s. Viscosity Test is a more scientific measure of consistency than Penetration. Various tests are used to measure the resistance to flow of bitumen and to thereby define its consistency Viscosity is a measure of the resistance of a fluid which is being deformed by either shear or tensile stress.
In everyday terms (and for fluids only), viscosity is "thickness" or "internal friction". Thus, water is "thin", having a lower viscosity, while honey is "thick", having a higher viscosity. Put simply, the less viscous the fluid is, the greater its ease of movement (fluidity).

Viscosity Grade Bitumen is widely used in spraying applications such as surface-dressing and paving in very cold climate. It is also used to manufacture Bitumen emulsion and Modified Bitumen products.



Sources: benzeneinternational.com, engineerstoday.blogspot.com, Singh, P. (2007). An overview of the viscosity grading system adopted in india for paving bitumen. Kandhal Indian Highways

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Modified bitumen

Modified bitumen is formulated with additives to improve their service performance by changing such properties as their durability, resistance to ageing, elasticity and/or plasticity. These modifiers may be polymers, crumb rubber, sulphur and polyphosphoric acid.

The most common types of modifiers being used are APP (Atactic Polypropylene) and SBS (Styrene Butadiene Styrene). These two types were discovered in Europe. Normally to create roofing grade asphalt; asphalt flux is air-blown at elevated temperatures which convert the flux to roofing grade asphalt. In the early 1970’s, the Italians, lacking the blowing equipment, were looking for a product that would convert asphalt flux into a usable roofing product. They discovered that if Atactic Polypropylene (APP) - a by-product of propylene polymerization - was added to asphalt then it gave the asphalt some plastic properties. While APP was being looked into in southern Europe, northern Europe was experimenting with a different type of modifier called Styrene Butadiene Styrene (SBS). The French and Germans found that if they added 10%-15% of SBS rubber to asphalt, the asphalt’s characteristics changed to those of the rubber additive.

Modified bitumen is widely used in the production of roofing felt and in paving applications.

Sources: roofhelp.com,  bp.com,  eurobitume.eu

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Emulsion Bitumen

An emulsion is a mixture of two immiscible liquids, one of which is dispersed in the other in the form of very fine particles. The process of emulsification is accomplished by use of an emulsifier and a stabilizer. Bitumen emulsions are dispersions of bitumen in water. Hot bitumen, water and emulsifier are processed in a high speed colloid mill that disperses the bitumen in the water in the form of small droplets. The emulsion making material is usually alkali salt of an organic acid or ammonium salt which charges bitumen particles.Emulsions which are made with negatively charged emulsifiers are called anionic emulsions while emulsions made with positively charged emulsifiers are called cationic emulsions.

Bitumen emulsions normally comprise between 30% and 80% bitumen by volume. Bitumen emulsions have a low viscosity compared to the bitumen from which they are produced and can be workable at ambient temperatures. Their application requires controlled breaking and setting. The emulsion must not break before it is laid on the road surface but, once in place, it should break quickly. When the emulsion is applied on the road it breaks down resulting in release of water and the mix starts to set. The time of setting depends upon the grade of bitumen.

Three types of bituminous emulsions are available, which are Rapid setting (RS), Medium setting (MS), and Slow setting (SC). Bitumen emulsions are ideal binders for hill road construction. Where heating of bitumen or aggregates are difficult. Rapid setting emulsions are used for surface dressing work. Medium setting emulsions are preferred for premix jobs and patch repairs work. Slow setting emulsions are preferred in rainy season.

The use of Emulsion bitumen is increasing for its advantages. All of the advantages of emulsions flow directly from this fact that Asphalt emulsions are dispersions of Asphalt in water and stabilized by a chemical system.

Asphalt emulsions are dispersions of Asphalt in water and stabilized by a chemical system. All of the advantages of emulsions flow directly from this fact. The main areas of advantage of emulsions are related to this can be summarized in terms of: energy conservation/ pollution control/ safety, versatility, ease of use, performance

Sources:fegrease.com, bp.com, petrotarco.com, cdeep.iitb.ac.in, highway1.co.nz, slurry.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Cutback Bitumen

Cutback asphalt is simply a combination of asphalt cement and petroleum solvent. Like emulsions, cutbacks are used because they reduce asphalt viscosity for lower temperature uses (tack coats, fog seals, slurry seals, stabilization material). Cutback bitumen is used for cold weather bituminous road construction and maintenance

Cutback bitumen in normal environment temperature is liquid, or is changed to liquid with a little heat. Similar to emulsified asphalts, after cutback asphalt is applied, the petroleum solvent evaporates leaving behind asphalt cement residue on the surface to which it was applied and the bitumen will bind the aggregate. Cutback asphalt is said to “cure” as the petroleum solvent evaporates away.

The speed of its clotting or hardening depends on the kind of liquid. For example because of high speed of gasoline evaporation, bitumen solved in gasoline hardens faster. The distillates used for preparation of cutback bitumen are naphtha, kerosene, diesel oil, and furnace oil.

Depending on the kind of solvent, there are different types of cutback bitumen, like rapid curing (RC), medium curing (MC), and slow curing (SC). RC is recommended for surface dressing and patchwork. MC is recommended for premix with less quantity of fine aggregates. SC is used for premix with appreciable quantity of fine aggregates.

The use of cutback asphalts is decreasing because of firstly environmental regulations. Cutback asphalts contain volatile chemicals that evaporate into the atmosphere. Emulsified asphalts evaporate water into the atmosphere. The second reason is due to high amount of energy and money required. The petroleum solvents used require higher amounts of energy to manufacture and are expensive compared to the water and emulsifying agents used in emulsified asphalts. In many places, cutback asphalt use is restricted to patching materials for use in cold weather.

Sources: cdeep.iitb.ac.in, pavementinteractive.org, petrotarco.com

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Asphalt in Road Construction

Asphalt in Road Construction

          
Majority of today's roads are constructed using asphalt but its use has been traced back even thousands of years. This naturally occurring substance is sought after for a number of applications due to its adhesive and waterproofing properties. Though the substance is so common today that it is not usually given a thought, asphalt is all around us in the form of roads, airport runways, roofs, tennis courts, parking lots, batteries, adhesives and more. Over ninety percent of the roads in the United States are constructed using this valuable, binding substance, but how did this come to be?

... Asphalt, blacktop, asphalt concrete, tarmac, bituminous concrete or macadam, can be naturally occurring but today is more commonly produced as a byproduct of the refining process in the petroleum industry.

P.S: Gildatar Bitumen and Asphalt is a company that provides excellent service to the civil contracting industry: bitumen sealing, asphalt surfacing of roads.
Author: Bob Jent

Oxidized Bitumen (Air Blown)

For the next several posts,I am going to introduce different types of bitumen.Blown Bitumen is the first and it will be followed by cut back, emulsion, modified  and fluxed bitumen . Hope to find the info helpful.

Oxidized Bitumen is produced by passing air through a bitumen feedstock under controlled conditions. This produces higher softening point bitumen with reduced susceptibility to change with temperature and greater resistance to imposed stresses. Compared with pure bitumen, blown bitumen has a low penetration rate and a high softness point.

The degree of oxidation can range from very small, often referred to as air-rectification, or semi-blowing, which only slightly modifies the bitumen properties, through to “full” blowing, whereby the properties of the bitumen are significantly different to penetration grade bitumen.

Oxidized Bitumen is produced by either Continuous or Staggered Blowing Process. The producing operation of oxidized bitumen mainly includes different steps: tank loading, bitumen blowing, condenser external gases and packing.

Blown grade bitumen is widely used as an anti-slip layer compound in the piling industry, for manufacture of roofing felts, for sound dampening felts and under carriage sealant in the automobile industry, electric cable joint protection, joint filling compound, sealant compound and many others

P.S: Gildatar is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Sources: e-asphalt.com , eurobitume.eu , petrotarco.com , benzeneinternational.com , blownbitumen.com

What is Bitumen?

To have a real start of the blog, I have prepared a post on the first basic question everyone unfamiliar with Bitumen will ask:"What is Bitumen?" here I have tried to present a fairly simple description of Bitumen! I hope you find it useful.

Bitumen is a dark black, greasy and viscous oiled based substance.  A non-crystalline viscous material having adhesive properties derived from petroleum either by natural or refinery processes and substantially soluble in carbon disulphide.

Bitumen is a mixture of Organic Liquids and composed primarily of highly condensed Polycyclic Aromatic Hydrocarbons. It would typically comprise at least 80% carbon and 15% hydrogen, the remainder being oxygen, sulphur, nitrogen and traces of various metals.

Bitumen can be obtained from various sources. It occurs naturally or from refinery process. Bitumen is found in nature in several forms, from the hard, easily crumbled bitumen in rock asphalt to the softer, more viscous material found in tar sands and so-called asphalt lakes.

Naturally occurring or crude bitumen is a sticky, tar-like form of petroleum which is so thick and heavy that it must be heated or diluted before it will flow. At room temperature, it is much like cold molasses.
Bitumen may occur naturally but for most purposes it is petroleum on which the world relies for its supplies of bitumen. Refined Bitumen is the residual (bottom) fraction obtained by fractional distillation of crude oil. It is the heaviest fraction and the one with the highest boiling point, boiling at 525 °C (977 °F). The bitumen content of crude petroleum oil can vary between 15% and 80%, but the more normal range is 25% to 40%.

In North America, bitumen is commonly known as “asphalt cement” or “asphalt”. While elsewhere, “asphalt” is the term used for a mixture of small stones, sand, filler and bitumen, which is used as a road paving material.  In Australian English, Bitumen is sometimes used as the generic term for road surfaces. In Canadian English, the word bitumen is used to refer to the vast Canadian deposits of extremely heavy crude oil, while asphalt is used for the oil refinery product used to pave roads and manufacture roof shingles.

The uses of bitumen are numerous. The chief one in most countries is for road construction. It is also used for surfacing airfield runways and taxi tracks, hydraulic applications such as canal lining, river bank protection, dam construction and sea defenses. There are also numerous industrial applications like roofing felt manufacture, printing inks, electrical cable / Junction boxes, mastic for roofing of terraces, duplex paper manufacture etc.

P.S: Gildatar Bitumen is proud to make possible the supply of Middle East bitumen in multiple grades 60/70, 80/100, 85/100, 85/25, 40/50, and 30/40.

Sources: petroleumbazaar.com , bp.com , shivamtarproducts.com , eurobitume.eu

Our blog is launched as of this week!

Well, this is just a bit of an announcement that the blog is "up" and this our first post. If you'll kindly have feedback, this is the place to give it, rather than on the individual blog entries.

Here we cover Gildatar company activities.Our company export bitumen from Iran to all over the world

Our site: http://www.gildatar.com


:)