Cutback MC 70

Our MC 70 bitumen is a rapid-curing cutback with very high viscosity, formulated to deliver exceptional adhesion, thick binder films, and long-lasting performance in spray sealing and high-stress road maintenance works.

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    Black Rock MC 70 CutBack Bitumen

    Essential Details

    Description

    • Type
    • Cut Back Bitumen
    • Other Name
    • MC 70 Prime Coat, MC 70 Asphalt
    • Feed Stock
    • Penetration Bitumen and Petroleum Solvent
    • HS Code
    • 27150090
    • Inspection
    • Included
    • Delivery Term
    • FOB-CFR-CIF
    • Production and Loading Period
    • Approximately 1 Month
    • 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 customised based on customer requests
    • Supply Capacity
    • 1000 MT/Month
    • Packing
    • New Steel Drum

    MC 70 Specification

    MC 70 CutBack Bitumen Specifications

    Essential Details

    Test Method

    Unit

    Min.

    Max.

    • Kinematic Viscosity at 60 °C (140 °F)
    • ASTM D2170
    • mm²/s
    • 70
    • 140
    • Flash Point (Tag Open-Cup)
    • ASTM D3143
    • °C
    • 38
    • -
    • Distillation – Total Distillate to 190 °C (374 °F)
    • ASTM D402
    • vol.%
    • -
    • 20
    • Distillation – Total Distillate to 260 °C (500 °F)
    • ASTM D402
    • vol.%
    • 20
    • 80
    • Distillation – Total Distillate to 316 °C (600 °F)
    • ASTM D402
    • vol.%
    • 65
    • 80
    • Residue from Distillation to 360 °C (680 °F)
    • ASTM D402
    • vol.%
    • 65
    • -
    • Penetration of Residue at 25 °C
    • ASTM D402
    • 0.1 mm
    • 120
    • 260
    • Ductility of Residue at 25 °C (77 °F)
    • ASTM D5
    • cm
    • 100
    • –
    • Spot Test
    • ASTM D2042
    • Negative

    MC 70 MSDS

    pdf

    MC 70 Safety Data Sheet

    Download
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    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 MC-70 bitumen is a medium-curing cutback grade engineered for controlled curing and strong bonding in prime and surface treatment applications.

      MC-70 is a medium-curing cutback bitumen produced by blending penetration-grade bitumen with moderately volatile solvents for controlled curing.

      2. Where is MC-70 commonly used?

      MC-70 is commonly used in:

      • Prime coats on granular bases
      • Surface treatments
      • Road maintenance and preparatory works

      MC-70 has higher viscosity and slower curing, providing improved binder retention and stronger surface bonding.

      • Controlled curing and good penetration
      • Strong adhesion to aggregates
      • Suitable for ambient temperature application
      • Reliable performance in varied climates

      MC-70 should be stored in sealed containers, kept away from heat and ignition sources, and handled with proper ventilation due to solvent content.