K1-70

Black Rock Bitumen is a trusted K1-70 bitumen emulsion supplier in Dubai, delivering high-performance cationic emulsion for road construction, tack coating, and infrastructure maintenance projects worldwide.

We provide bulk export supply with SGS inspection, COA documentation, and flexible FOB/CIF shipping, ensuring consistent quality and reliable delivery for contractors, EPC companies, and government procurement agencies.

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    What is K1-70 Bitumen Emulsion?

    K1-70 is a cationic rapid-setting bitumen emulsion with approximately 67–70% bitumen content, designed for strong adhesion and durability in road applications.

    The designation means:

    • K → Cationic (positive charge for better bonding with aggregates)
    • 1 → Rapid setting (fast breaking and curing)
    • 70 → Approximate bitumen content

    It is widely used in applications requiring strong bonding, fast curing, and high durability, especially in overlay and maintenance works.

    Applications of K1-70 Bitumen Emulsion

    Dust Control

    Helps bind loose particles on unpaved roads.

    Maintenance Works

    Ideal for routine road repair and preservation.

    Surface Dressing

    Used in chip sealing for protective road surfacing.

    Prime Coating

    Prepares base layers by improving bonding with bituminous layers.

    Advantages of K1-70

    Cost Efficient

    Reduces energy use, labor, and maintenance costs.

    Better Workability

    Provides sufficient time for uniform spreading.

    Cold Application

    No heating required, ensuring safer operations.

    Strong Adhesion

    Bonds well with aggregates and granular surfaces.

    Moderate Setting

    Allows controlled breaking and easy application.

    Good Penetration

    Effectively penetrates base layers for strong bonding.

    Black Rock K1-70 Bitumen Emulsion

    Essential Details

    Description

    • Type
    • Cationic Rapid-Setting Bitumen Emulsion
    • Feed Stock
    • Bitumen (Penetration Grade 70/100 or similar), Water, Cationic Emulsifier
    • HS Code
    • 27150000 (Bituminous mastics, cutbacks, emulsions)
    • Spot Test
    • Positive
    • 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
    • 20,000 MT/Month
    • Packing
    • Bulk in Tanker ,IBC Tank , New Steel Drum

    K1-70 Specification

    Bitumen K1-70 Specifications

    Essential Details

    Test Method

    Unit

    Min.

    Max.

    • Specific Gravity at 25 °C
    • ASTM D70
    • –
    • 1.01
    • 1.06
    • Penetration at 25 °C, 100g, 5s
    • ASTM D5
    • 0.1mm
    • 60
    • 120
    • Softening Point
    • ASTM D36
    • °C
    • 45
    • 60
    • Ductility at 25 °C
    • ASTM D113
    • cm
    • 100
    • –
    • Loss on Heating
    • ASTM D6
    • wt.%
    • –
    • 1.0
    • Drop in Penetration after Heating
    • ASTM D5
    • %
    • –
    • 30
    • Flash Point
    • ASTM D92
    • °C
    • 230
    • –
    • Solubility in Trichloroethylene
    • ASTM D2042
    • wt.%
    • 99.0
    • –
    • Spot Test
    • ASHTO T102
    • Negative

    K1-70 MSDS

    pdf

    K1-70 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.

    Get in Touch for Bitumen Orders & Inquiries

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      Client Retention Rate

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      Specialized Bitumen Grades

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      Successful Shipments

      Shipping & Delivery

      Port of Loading

      Jebel Ali, UAE

      Delivery Terms

      FOB, CIF, CFR

      Inspection

      SGS / Bureau Veritas available

      Lead Time

      2–4 weeks depending on order volume
      Our faqs

      Frequently Asked Questions.

      K1-70 is primarily used for tack coats, surface dressing, and patch repair works. Its cationic nature allows it to bond effectively with aggregates, especially in road construction and maintenance projects.

      2. What does “cationic” mean in K1-70 bitumen emulsion?

      “Cationic” means the bitumen particles carry a positive charge, which helps them adhere strongly to negatively charged aggregates like granite and basalt, ensuring faster breaking and better bonding.

      Yes. One of the advantages of K1-70 cationic emulsion is that it can be applied on slightly damp surfaces, making it suitable for use in humid or light-rain conditions where hot bitumen is not ideal.

      K1-70 (cationic) breaks faster and provides stronger adhesion compared to anionic emulsions, making it more suitable for modern road construction where quick setting and durability are required.

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