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Oxidized Bitumen (Blown Bitumen)
Oxidized Bitumen is a type of bitumen that obtains from blowing air to the pure bitumen. It has a lower penetration grade and more softening point in comparison to pure bitumen.
Based on its softening point and penetration grade it classifies into three types of low, medium and hard oxidized bitumen.
To know more about oxidized bitumen, read this article.
Oxidized Bitumen (Blown Bitumen)
This type of bitumen obtains from the blowing hot air with the temperature of 200 to 300 degree Celsius to the penetration grade bitumen in the reactor of BBU of the refinery.
Hydrogen atoms of bitumen react with oxygen atoms of air when heated with hot air in the reactor. Then it generates some steam that should be removed from the oxidation chamber. Consequently, the bitumen remains.
Oxidized Bitumen grades
This type of bitumen has many grades. Low oxidized bitumen grades are R75/25, R75/30, R85/25, R85/40, R95/25, R90/40. Medium grades are R90/10, R90/15 and hard oxidized bitumen including R115/15, R110/15, R105/5, R105/15, R105/35 and R150/5.
Oxidized Bitumen Advantages
The main advantages of oxidized bitumen is as below:
- High durability
- High flexibility
- Completely water resistant
- Chemical stability
Oxidized Bitumen Specification
Among these bitumen, the most widely used oxidized or blown bitumen in the market is R85/25 that its softening point is 85 and its penetration grade is 25.
Oxidized bitumen 85/40 is popular in some European countries like Denmark, Norway, Finland and Sweden.
The standard test methods used to obtain each property is as below:
Oxidized Bitumen Packing
Oxidized Bitumen has different types of bitumen packing:
- Cartoon
- Cartoon-pallet-shrink
- Poly Amide
- Polyester
If you are looking for more details about this type of bitumen packing, we recommend you to read the oxidized bitumen packing page to get more information.
Oxidized Bitumen Applications
It has many applications including road construction, hydropower projects, roofing, flooring, mastics, oil and gas industry and electrical applications.
Roads: this type of bitumen is suitable for road construction, paving and road maintenance. It can be used as an additive with a binder in different asphalts in roads, highways, railroads and parking.
Hydro projects: One of the canal lining’s material is oxidized bitumen. This type of bitumen can be used in other hydro projects like embankment and dam construction, hydraulic structures, dam lining protection and sand stabilization
Roofing: oxidized bitumen can be used in roofing felts, shingle roofs, damp proof coating compositions, and carriage roofing compounds, liquid roof coatings and plastic cements. Generally speaking it is the best choice for roof waterproofing.
Flooring: one of the main uses of oxidized bitumen is in flooring. Acid and alkali proof bitumen mastic can be used in chemical plants, fertilizer plants, steel plants and many other plants to protect the surface from corrosion. It can also fix the parquet of floors.
Oil and gas industry: this type of bitumen is very common in the oil and gas industry to coat the pipelines to protect pipes from corrosion and rust.
Electrical industry: oxidized bitumen is adhesive for laminated boards. It can seal the electrical junction boxes. It can be used in the cable industry, in lithium- ion batteries and wires.
Gemini Productions , Oxidized Bitumen Supplier
Gemini Production, as an oxidized bitumen supplier, started its own activity in 2012. Our team in Gemini Productions tries to present the high quality blown bitumen with the suitable price.
We have exported this type of Bitumen Dubai. If you require to use oxidized bitumen to meet your needs, you can contact us.