Oxidized Bitumen 150/5 Dubai, In the realm of construction materials, oxidized bitumen plays a significant role, particularly in applications requiring durability, resilience, and adaptability. Among the various grades of oxidized bitumen, 150/5 stands out as a widely used and versatile material. This grade, characterized by its softening point of 150°C and penetration grade of 5, exhibits exceptional properties that make it suitable for a diverse range of applications. These characteristics make it particularly suitable for applications in hot climates and where high durability is required.
Oxidized Bitumen 150/5 Description
Oxidized Bitumen 150/5 or Blown Bitumen is a semi-solid chemically treated bitumen derived by blowing hot air into penetration-grade bitumen under controlled conditions. It modifies its physical content by this method to produce a harder, heat more stable product. Due to its high softening point and low penetration value, this grade exhibits tremendous resistance to heat, water, and aging and hence is ideally suitable for industrial and construction use where performance and strength are the major factors.”.
Manufacturing Process
Manufacture of Oxidized Bitumen 150/5 involves a multi-step procedure starting with choosing raw base bitumen. Heating the bitumen and exposing it to a blast of hot air under controlled pressures initiates oxidation reactions that result in chemical change of its constitution. The cooled oxidized bitumen is filtered to remove impurities and, if required, blended with additives to enhance properties. Finished product is checked for quality control purposes before packaging and distribution.
Properties
Oxidized Bitumen 150/5 possesses a range of improved properties:
High softening point offers heat stability.
Low penetration offers rigidity and structural strength.
High water and weather resistance makes it suitable for waterproofing and outdoor use.
Good adhesion offers excellent bonding on many surfaces.
Improved thermal stability and aging resistance, ensuring long-term performance in extreme conditions.
Lower ductility, which is beneficial in those applications where a more solid, less flexible product is required.
Applications
Oxidized Bitumen 150/5 is versatile and has diverse applications in numerous industries. Oxidized Bitumen 150/5 finds application in the construction sector as a vital component in roofing membranes, waterproofing coatings, and concrete joint sealants.
Oxidized Bitumen 150/5 also finds use in pipe coating, hydraulic application, and metal-protecting asphalt-based coatings. Oxidized Bitumen 150/5 also finds application in textile treatment, electrical laminates, rubber and plastic modification, adhesives, sealing pavement cracks, and dust suppression. Its durability and heat resistance make it particularly ideal for application in warm climates and industrial environments.
Benefits and Limitations
One of the major benefits of Oxidized Bitumen 150/5 is that it is long-lasting and has a long service life, which leads to fewer maintenance cycles and less long-term cost. It also possesses better resistance to extreme temperatures, oxidation, and weathering. Its manufacturing process does take more energy consumption and can emit volatile organic compounds (VOCs), so environmental considerations have to be taken into account. It is usually more expensive than conventional bitumen, but the performance benefit usually justifies the additional cost.
Surface Preparation
Surfaces must be dry, free from dust, oil, loose debris, or curing agents prior to the application of Oxidized Bitumen. Adequate surface preparation ensures maximum adhesion and long-term performance.
Health & Safety
When working with Oxidized Bitumen 150/5, there should be adequate ventilation due to released fumes upon heating. Protective equipment in the form of gloves, goggles, long sleeves, and heat-resistant footwear should be used by workers. Fire protection should also be provided, as the material is typically processed at high temperatures.
Packaging
Oxidized Bitumen 150/5 is available in various packaging forms to cater to various requirements of transportation and usage:
25kg Meltable Polyamide Bags
20/25/40kg Kraft or Carton Boxes
20/25kg Blocks
20/25kg Drums
Products can be palletized and shrink-wrapped for container loading. A single 20ft standard container can fit:
920 Bags (25kg each) – Net Weight: 23 Tons
880 Carton Boxes (25kg each) – Net Weight: 22 Tons
Specification of Oxidized Bitumen 150/5 Dubai
The oxidized asphalt grade 150/5 means the softening point is 150°c and penetration is 5 desi millimeters is produced in compliance and conformity to ASTM standards and meets the following specifications:
| Bitumen 150/5 | Test method | Unit | Specification |
|---|---|---|---|
| Specific gravity @25/25 C | ASTM D70 | (Kg/m3) | 1.05 approx. |
| Penetration @ 25°c | ASTM D5 | mm/10 | 4/6 |
| Softening point °c | ASTM D36 | °C | 145/155 |
| Ductility @25 °c | ASTM D113 | Cm | 1.5min |
| 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 |
| Spot test | A.A.S.H.O.T102 | — | Negative |
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