SC-800 Cutback Bitumen — High-Viscosity Binder for Surface Dressing & Heavy-Duty Roads

SC-800 is a high-viscosity slow-curing cutback bitumen with excellent adhesion and a thick binder film. Formulated for surface dressing, high-traffic pavements, and demanding road maintenance work.

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What Is Cutback SC-800 Bitumen?

Cutback SC-800 is a slow-curing bitumen made by blending penetration-grade bitumen with a high binder content, giving it a much heavier consistency than the lighter SC grades. Its slow, controlled curing process allows it to deposit a substantially thicker binder film while still achieving strong aggregate adhesion.

A kinematic viscosity of 800–1600 mm²/s at 60°C, with a flash point of 70°C or higher, allows SC-800 to be handled safely despite its thickness. The high-viscosity residue it leaves behind delivers durable, long-lasting bonding under demanding traffic conditions.

SC-800 is typically supplied to ASTM standards, with a negative spot test confirming solvent compatibility. It’s commonly used for surface dressing, heavy-duty road maintenance, and high-traffic pavements where a thicker binder film is needed.

SC 800 Specification

SC 800 CutBack Bitumen Specifications

Essential Details

Test Method

Unit

Min.

Max.

  • Kinematic Viscosity at 60 °C (140 °F)
  • ASTM D2170
  • mm²/s
  • 800
  • 1600
  • Flash Point (Tag Open-Cup)
  • ASTM D92
  • °C
  • 70
  • -
  • Total Distillate to 360 °C (680 °F)
  • ASTM D402
  • vol.%
  • -
  • 15
  • Solubility in Trichloroethylene
  • ASTM D2042
  • %
  • 95
  • -
  • Kinematic Viscosity of Residue at 60 °C (140 °F)
  • ASTM D2170
  • mm²/s
  • 1000
  • 16000
  • Residue of 100 Penetration
  • ASTM D2710
  • %
  • 60
  • -
  • 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

SC 800 MSDS

pdf

SC 800 Safety Data Sheet

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    Our faqs

    Frequently Asked Questions.

    Our SC-800 bitumen is a high-viscosity slow-curing cutback grade designed for strong bonding and durable surface treatments in road construction.

    SC-800 is a slow-curing cutback bitumen with high viscosity, produced by blending penetration-grade bitumen with low-volatility solvents for gradual curing.

    2. Where is SC-800 commonly used?

    SC-800 is commonly used in:

    • Surface dressing
    • Heavy-duty road maintenance
    • High-traffic pavements
    • Applications requiring thicker binder films

    SC-800 has higher viscosity and slower curing, providing thicker binder coating and improved durability.

    • Strong aggregate bonding
    • Thick, durable binder film
    • Controlled curing for better performance
    • Reliable results under demanding conditions

    SC-800 should be stored in sealed tanks or drums, kept away from heat and ignition sources, and handled with proper ventilation due to solvent content.