QS-1h

BlackRock Bitumen manufactures premium cationic emulsions, including QS-1h—a slow-setting grade with excellent adhesion and long workability for slurry, micro-surfacing, and soil stabilisation applications.

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    BlackRock QS-1h

    Essential Details

    Description

    • Type
    • Anionic Quick-Setting Bitumen Emulsion, Hard (QS-1h)
    • Feed Stock
    • Hard Bitumen (Penetration Grade 60/70 or similar), Water, Anionic Emulsifier
    • HS Code
    • 27150000
    • Spot Test
    • Negative
    • Inspection
    • Included
    • Delivery Term
    • FOB-CFR-CIF
    • Production and Loading Period
    • 2–4 weeks after order confirmation
    • 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
    • 16,000 MT/Month
    • Packing
    • - Bulk in Tanker - IBC Tank - New Steel Drum

    QS-1h Specification

    QS-1h Bitumen Emulsion Specification

    Essential Details

    Test Method

    Unit

    Min.

    Max.

    • Specific Gravity at 25 °C
    • ASTM D70
    • –
    • 1.00
    • 1.05
    • Penetration at 25 °C, 100g, 5s
    • ASTM D5
    • 0.1mm
    • 80
    • 150
    • Softening Point
    • ASTM D36
    • °C
    • 45
    • 60
    • Ductility at 25 °C
    • ASTM D113
    • cm
    • 100
    • –
    • Loss on Heating
    • ASTM D6
    • wt.%
    • –
    • 0.8
    • Drop in Penetration after Heating
    • ASTM D5
    • %
    • –
    • 35
    • Flash Point
    • ASTM D92
    • °C
    • 235
    • –
    • Solubility in Trichloroethylene
    • ASTM D2042
    • wt.%
    • 97.5
    • –
    • Spot Test
    • ASHTO T102
    • Negative

    QS-1h MSDS

    pdf

    QS-1h 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.

      QS-1h is a cationic slow-setting, high-viscosity bitumen emulsion offering excellent adhesion, strong residual binder, and extended workability for slurry, micro-surfacing, and fine aggregate applications.

      QS-1h is a cationic slow-setting, high-viscosity bitumen emulsion designed to provide superior bonding and longer working time.

      2. Where is QS-1h commonly used?

      It is widely used in:

      • Slurry seals

      • Micro-surfacing

      • Cold mix asphalt

      • Soil stabilisation and fine aggregate treatments

      QS-1h has higher viscosity and stronger residual binder, improving mix stability and durability in demanding applications.

      • Excellent adhesion and cohesion

      • Extended workability time

      • Strong residual binder

      • Suitable for cold application

      Store QS-1h in clean, insulated tanks, maintain temperatures above 5°C, avoid contamination, and gently circulate if stored for long periods.