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Oxidized Bitumen R85/40
Oxidized (Blown) Bitumen R85/40 is produced by either a staggered or a continuous blowing process. The heated Penetration Grade Bitumen under controlled environment is blown with air which controls the oil content in the Bitumen while it is oxidized. The most popular grades we supply are R10/20, R85/25, R85/40, R90/40, R95/25and R110/30, R115/15. We are also
capable of exporting other grades of Blown Bitumen as per request from our customers.
Application :
1) Oxidized Bitumen has a wide variety of industrial applications
2) As a bonding bitumen for roofing sheet membranes
3) As a hot applied waterproofing layer
4) Carpet tile manufacture
5) As a raw material for liquid bitumen coatings
6) For production of bituminous pains, mastic
7) For rust proof pipe coatings
8) Used as an anti-slip layer compound in the piling industry
9) Used for production of roofing and sound dampening felts, Used as under carriage sealant in the automobile industry, electric cable joint protection, joint filling compound, sealant compound and many more in our day to day life.


Oxidized Bitumen R85/40
| Technical Specification & Data Report | ||
| PROPERTIES | Grade | Test Method |
| Bitumen R 85/40 | ||
| Relative Density at 25 °C, g/ml | 1.00-1.05 | ASTM D70 |
| Softening Point (Ring and Ball), °C | 80-90 | ASTM D36 |
| Penetration at 25 °C, 0.1 mm | 35-45 | ASTM D5 |
| Flash Point ( Cleveland open Cup), °C, Min | 250 min | ASTM D92 |
| Loss on heating % by mass | 0.2 | ASTM D6 |
| Solubility in Cs2 (wt%) | 99.5 Max | ASTM D4 |
| Spot Test | Negative | A.A.S.H.O.T102 |
Recommended Application Temperatures: Blown grade bitumen shall be broken up into small pieces and heated slowly to the application temperature of 220ºC - 230ºC.
Storage: Store in unopened containers. Storage temperature limits 1°C - 50°C


BUOYANCY IMPEX PRIVATE LIMITED, is an ISO 9001:2008, 9001:2015 Certified Company based in South Asia footed in Surat, Gujarat Western business hub of India, having associate offices in U.A.E , China , Singapore, Ethiopia & Turkey with high profiled, pre-eminent and credible name in oil industry. Established in year 2005, it has catapulted to paradigm of success since its inception, It has stably developed & sustained strong relations with industry majors in several continents, enabling to deal with a diverse range of products. The company has been successful in transacting over USD 500 Million dollars of petroleum and energy products with its team of dedicated professionals and bears 100% delivery record on all supply contracts.
The company has been able to penetrate in the supply chain of several well established private and government companies due to its goodwill and professional approach. This network has been levered into regional organization, directly accountable to customers they serve and completely focused on delivering superior value and quality product.


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