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Oxidized Bitumen 95-25

Oxidized Bitumen 95/25 is based on petroleum bitumen which made by BLOWING Bitumen 60-70 by so hot air. This process gives the bitumen more rubbery properties than its original formula. So they are simply harder bitumen. oxidized bitumen under controlled temperature conditions is widely used as an anti-slip layer compound in the piling industry, for manufacture of roofing felts, the roofing and waterproofing industries, for sound dampening felts also under carriage sealant in the automotive industry, electric cable joint protection, joint filling compound, sealant compound. Also used in sealing saw cuts and joints where expected movements are minimum. In addition it used in manufacturing of bituminous marine mastic for oil & gas pipeline joints.


Application of Oxidized Bitumen 95/25:

Oxidized Bitumen 95/25 is widely used as an anti-slip layer compound in the piling industry, for the manufacture of roofing felts, the roofing and waterproofing industries, for sound dampening felts and under carriage sealant in the automotive industry, electric cable joint protection, joint filling compound, carpet-backing, corrosion protection, acoustic panels, chemical, fuel, Manufacture of paints, sealant compound, and many others. Also used in sealing saw cuts and joints where expected movements are minimum. It is also used in the manufacturing of bituminous marine mastic for the oil & gas pipeline joints. Further, Oxidized Bitumen is used in the manufacture of bituminous marine mastic, which is required for the oil and gas pipeline joints.
Oxidized bitumen is used as sealing of expansion joints.
Oxidized bitumen is used as repair of joints or cracks.
Oxidized bitumen is used as fixation of parquet floors.
Oxidized bitumen is used as adhesive to be used in thermal insulation.
Oxidized bitumen is used as repair of unexposed cracks.
Oxidized bitumen is used as bonding of wet briquettes
Oxidized bitumen is used in various industries like roofing, isolation, insulation flooring, mastics, pipe coatings, electrical applications.

Technical Advantages of Oxidized Bitumen 95/25

  • Durability
  • Flexibility
  • Water Resistant
  • Chemical Stability

Compared to paving grade bitumen:

  • Reduced temperature susceptibility
  • Exhibits a more ‘solid’ nature at ambient temperatures
  • High penetration index


Handling / Storage:

Heating of packaged bitumen is a critical phase in most of the final uses. Typically, the packaged material is heated and melted in boilers out on site.
However, control at the heating phase is very important in terms of health and safety as well as in maintaining the quality of the product.

Note
must be taken of the maximum safe handling temperature of 230 C and this should not be abused. Bitumen is a poor conductor of heat, consequently, control of the heating phase is of paramount importance.

The Oxidized Bitumen material should be broken up prior to placement in the boiler. This exposes a larger surface area to the heat and encourages a more even heating regime.
Without the larger exposed surface area, aggressive heating at the base and sides of the boiler may well result in localized overheating, altering the characteristics of the Chemical Mine World modified bitumen and potentially causing thermal cracking of the bitumen, creating the release of low lash vapors.
The flash point of the oxidized bitumen then becomes irrelevant; as these low flash vapors determine the fire risk.
Melted bitumen should not be left in the boiler and reheated from cold, as there is then a high potential for localized overheating around the heating area (lack of convection means poor heat transfer) and potential development of a pressurized pocket of low flash vapors.
Be aware of the placement of any temperature monitoring or control devices. As a result of the poor thermal conductivity of the bitumen, a thermometer in the bitumen some distance from the heat source could read significantly different (even hundreds of degrees) from the true temperature of the bitumen near the heat source.
For Health and Safety information, please make reference to the relevant MSDS.


Health & Safety:
Workers should wear protective masks, gloves, and goggles during application. The asphalt can be removed from equipment and tools with kerosene or gasoline. Care should be taken when heating Oxidized Bitumen 95/25 to avoid over heating

Packing of blown asphalt 95/25:

The Chemical Mine World is manufacturer of blown asphalt 95/25 in various packing including kraft bag, meltable plastic bag, drum and bulk blown asphalt 95/25 from penetration grade bitumen, which is blown by hot air in a controlled process until the desired specification is reached.
The Chemical Mine World oxidised bitumen 95/25 can be supplied in any grade and are designated by two numbers to indicate the softening point and penetration ranges.
The oxidized asphalt grade 95/25 means softening point is 95°c and penetration is 25 desimillimiter is produced in compliance and conformity to ASTM standard and meets the following specification.



Data Sheet of Oxidized Bitumen 95/25:

Bitumen 95/25 Test method Unit Specification
Specific gravity @25/25 C ASTM D70 (Kg/m3) 1.05 approx.
Penetration @ 25°c ASTM D5 mm/10 20/30
Softening point °c ASTM D36 °C 90/100
Loss on heating(wt) % ASTM D6 Wt. % 0.2 max
Flashpoint °c ASTM D92 °C 250 min
Solubility is CS2(wt) % ASTM D4 Wt. % 99.5 max
Ductility@25 C ASTM D113 1.5 min





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CHEMICAL MINE WORLD LTD.

Unit level 14(B) & 14 (C) Main office tower, Financial Park Labuan Complex, 
Jalan Merdeka, Federal Territory of Labuan, 87000, Malaysia