Oxidized Bitumen Grade 75/35 delivers enhanced thermal stability, controlled hardness, and reliable performance for roofing, waterproofing, and industrial applications worldwide.
Black Rock Bitumen 75/35
Essential Details
Description
- Type
- Penetration Grade Bitumen
- Feed Stock
- Crude Oil
- HS Code
- 27132000
- Spot Test
- Negative
- Inspection
- Included
- Delivery Term
- FOB-CFR-CIF
- Production and Loading Period
- FOB-CFR-CIF
- Payment Term
- TT Method FOB Delivery: 30% advance and balance against customs documents CFR/CIF Delivery: 30% advance and balance against B/L daft
- Marking
- Marking can be customized based on customer request
- Supply Capacity
- 50,000 MT/Month
- Packing
- -New Steel Drum -Jumbo Bag
Bitumen 75/35 Specification
Oxidized Bitumen 75/25 Specifications
Essential Details
Test Method
Unit
Min.
Max.
- Specific Gravity at 25 °C
- ASTM D70 / EN 15326
- kg/cm³
- 1.05 (approx.)
- –
- Penetration at 25 °C, 100g, 5s
- ASTM D5 / EN 1426
- mm/10
- 30
- 40
- Softening Point
- ASTM D36 / EN 1427
- °C
- 70
- 80
- Ductility at 25 °C
- ASTM D6 / EN 13303
- %
- –
- 0.2
- Loss on Heating
- ASTM D6 / EN 13303
- %
- –
- 0.2
- Drop in Penetration after Heating
- ASTM D5
- %
- –
- 20
- Flash Point
- ASTM D92 / EN ISO 2592
- °C
- 250
- –
- Solubility in Trichloroethylene
- ASTM D4 / EN 12592
- wt.%
- 99
- –
- Spot Test
- ASHTO T102
- Negative
Our Packaging
We deliver bitumen in versatile, secure options: economical Jumbo Bags, robust steel Drums, or high-volume Bulk Containers (Bitutainers/Bituboxes).
Terms of Payment
Payment Terms for Smooth Transactions
TT Method
The buyer pays 30% advance, with the balance against B/L draft (CFR) or customs docs (FOB).
LC at Sight
100% irrevocable, non-transferable, confirmed LC at sight, subject to bank approval by Black Rock Bitumen.
Get in Touch for Bitumen Orders & Inquiries
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Our faqs
Frequently Asked Questions.
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What is Oxidized Bitumen Grade 75/35?
Oxidized Bitumen 75/35 is an air-blown bitumen with a softening point of approximately 75°C and penetration of 35 dmm, offering balanced hardness and flexibility.
What are the typical applications of Oxidized Bitumen 75/35?
This grade is commonly used in roofing felts, waterproofing membranes, pipe coatings, industrial sealants, adhesives, and corrosion protection systems.
How does Grade 75/35 differ from Grade 75/25?
Grade 75/35 provides higher penetration and improved flexibility, making it better suited for applications requiring crack resistance while maintaining thermal stability.
Is Oxidized Bitumen 75/35 suitable for hot and variable climates?
Yes, it performs reliably in hot and fluctuating temperatures, retaining form at high heat while accommodating minor structural movements.
What are the key performance benefits of Oxidized Bitumen 75/35?
It offers excellent adhesion, aging resistance, moisture impermeability, and long-term durability in demanding industrial environments.



