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MEDIUM CURING BITUMEN PRIMER (D41)

General information:

  • Priming and Tack Coating – D41 bitumen’s suitable for priming are also used for tack coats, which are applied to an underlying surface to help with the adhesion of subsequent asphalt layer.
  • Primer Sealing – Where temperatures are too cool for an effective priming operation, or where traffic is likely to upset a primed surface before the final seal can be sprayed, a primer seal can be used to give adequate protection of the pavement for periods of up to 6 to 12 months. D41 bitumen’s suitable for primer sealing can also be used in the manufacture of pre-mix asphalt, which is used in repairs.
  • Sprayed Sealing – D41 bitumen’s are used extensively in sprayed sealing applications, particularly in cooler weather where they provide improved initial stone retention due to their lower viscosity.
  • Packing: 220, 230, 240(Liter) new steel drum

Technical Specifications:

Property Min Max Test Method
kinematic viscosity at 60°C mm^2/s 25 125 ASTM D2170
Flash point (tag open-cup), °C 38 - ASTM D3143
distillate test: distillate,volume percent of total distillate at 360°C:
To : 225°C - 30 ASTM D402
To : 316°C - 60 ASTM D402
residue from distillation to 360°C,percent volume by difference 50 - ASTM D402
test on residue from distillation:
Penetration, 25°C 120 300 ASTM D5
Solubility in trichloroethylene, % 99 - ASTM D2042
water , % - 0.5 ASTM D95