Cutback SC 250
Our SC-250 bitumen is a slow-curing cutback formulated to provide controlled curing and improved binder strength, making it suitable for priming, surface treatments, and low-traffic road applications.
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SC 250 Specification
SC 250 CutBack Bitumen Specifications
Essential Details
Test Method
Unit
Min.
Max.
- Kinematic Viscosity at 60 °C (140 °F)
- ASTM D2170
- mm²/s
- 250
- 500
- Flash Point (Tag Open-Cup)
- ASTM D92
- °C
- 60
- -
- Total Distillate to 360 °C (680 °F)
- ASTM D402
- vol.%
- -
- 25
- Solubility in Trichloroethylene
- ASTM D2042
- %
- 95
- 70
- Kinematic Viscosity of Residue at 60 °C (140 °F)
- ASTM D2170
- mm²/s
- 400
- 10000
- Residue of 100 Penetration
- ASTM D2710
- %
- 50
- -
- Ductility of 100 Penetration Residue at 25 °C (77 °F)
- ASTM D2170
- cm
- 50
- -
- Water Content
- ASTM D95
- %
- -
- 0.5
- 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.
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Our faqs
Frequently Asked Questions.
Our SC-250 bitumen is a slow-curing cutback grade with higher viscosity, engineered for deep penetration and durable bonding in prime coat and base preparation works.
1. What is SC-250 bitumen?
SC-250 is a slow-curing cutback bitumen with higher viscosity, produced by blending penetration-grade bitumen with low-volatility solvents for gradual curing.
2. Where is SC-250 commonly used?
SC-250 is commonly used in:
- Prime coats on granular base courses
- Surface treatments
- Soil stabilization
- Low to medium traffic roads
3. How is SC-250 different from SC-70?
SC-250 has higher viscosity and slower curing, providing better binder retention and stronger bonding.
4. What are the advantages of using SC-250?
- Deep penetration with improved durability
- Controlled curing and uniform coating
- Reduced risk of premature setting
- Suitable for ambient temperature application
5. How should SC-250 be stored and handled?
SC-250 should be stored in sealed tanks or drums, kept away from heat and ignition sources, and handled with proper ventilation due to solvent content.



