RS-2

High-Viscosity Anionic Rapid Setting Emulsion for Surface Dressing

Black Rock Bitumen supplies RS-2 bitumen emulsion, a high-viscosity anionic rapid-setting emulsion designed for surface dressing, chip sealing, and penetration macadam applications.

Manufactured to meet ASTM D977 / ASTM D244 standards, RS-2 delivers fast curing, strong binding, and durable surface performance in demanding road conditions.

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    What is RS-2 Bitumen Emulsion?

    RS-2 (Rapid Setting – Grade 2) is an anionic bitumen emulsion with higher binder content and viscosity than RS-1, designed for applications requiring thicker coating and stronger durability.

    Key characteristics:

    • Negative charge (anionic)
    • Breaks rapidly upon contact with aggregates
    • High viscosity → thicker bitumen film
    • Not suitable for mixing applications

    Anionic emulsions break primarily through water evaporation, making their performance dependent on temperature and humidity conditions.

    Applications of RS-2 Bitumen Emulsion

    Surface Dressing

    Provides strong aggregate bonding with a thicker bitumen film for durability.

    Penetration Macadam

    Ensures deep penetration and long-lasting structural performance.

    Spray Applications

    Used in large-scale road works requiring fast curing.

    Protective Coatings

    Effective for concrete and metal surfaces due to water-resistant properties .

    Advantages of RS-2

    Strong Adhesion

    Bonds effectively with aggregates and surfaces.

    Excellent Workability

    Allows easy mixing, spreading, and handling.

    Cold Application

    No heating required, ensuring safer operations.

    Uniform Coating

    Ensures consistent coverage and better performance.

    Rapid Setting

    Provides extended working time for mixing and application.

    Quick Traffic Opening

    Allows roads to be reopened faster.

    Black Rock RS-2 Bitumen Emulsion

    Essential Details

    Description

    • Type
    • Penetration Grade Bitumen
    • Feed Stock
    • Crude Oil
    • HS Code
    • 27132000
    • 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
    • 22,000 MT/Month
    • Packing
    • - Bulk in Tanker - IBC Tank - New Steel Drum

    RS-2 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
    • 100
    • 250
    • Softening Point
    • ASTM D36
    • °C
    • 40
    • 55
    • Ductility at 25 °C
    • ASTM D113
    • cm
    • 100
    • –
    • Loss on Heating
    • ASTM D6
    • wt.%
    • –
    • 1.0
    • Drop in Penetration after Heating
    • ASTM D5
    • %
    • –
    • 40
    • Flash Point
    • ASTM D92
    • °C
    • 230
    • –
    • Solubility in Trichloroethylene
    • ASTM D2042
    • wt.%
    • 97.5
    • –
    • Spot Test
    • ASHTO T102
    • Negative

    RS-2 MSDS

    pdf

    RS-2 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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      Shipping & Delivery

      Port of Loading

      Jebel Ali, UAE – strategically located logistics hub ensuring efficient global shipping and quick turnaround times.

      Delivery Terms

      FOB, CIF, CFR – flexible Incoterms tailored to meet client requirements and international trade standards.

      Inspection

      SGS / Bureau Veritas available – third-party inspection to ensure quality, compliance, and shipment transparency.

      Lead Time

      2–4 weeks depending on order volume – optimized production and logistics planning for timely delivery.
      Our faqs

      Frequently Asked Questions.

      RS-2 is an anionic rapid-setting bitumen emulsion formulated for quick breaking and fast curing in surface dressing and spray seal applications.

      RS-2 is an anionic rapid-setting bitumen emulsion designed to break quickly on contact with aggregates.

      2. Where is RS-2 commonly used?

      It is commonly used in:

      • Surface dressing
      • Spray sealing
      • Chip seals
      • Quick patch repairs

      RS-2 breaks rapidly, allowing fast curing and early opening of roads to traffic.

      • Fast setting and curing
      • Good aggregate adhesion
      • Suitable for cold application
      • Reduced construction time

      RS-2 should be stored in clean tanks, kept above 5°C, protected from contamination, and applied using suitable spray equipment.

      Yes, RS-2 is suitable for waterproofing concrete and metal surfaces due to its water-resistant properties .

      Yes, RS-2 is ideal for high-traffic roads, especially for surface dressing applications.

      RS-2 is a rapid-setting emulsion, meaning it breaks quickly and allows fast reopening to traffic.

      RS-2 performs best on dry surfaces.
      For damp conditions, cationic emulsions are preferred.

      No, RS-2 is not suitable for mixing applications because it sets too quickly and may clog mixers .