Bitumen Primer

Bitumen Primer

Introduction to Bitumen Primer

Bitumen primer plays a crucial role in preparing surfaces before the application of bituminous materials. It acts as a sealant and primer, ensuring proper adhesion and waterproofing.

What is Bitumen Primer

It is specifically Bitumen D 41, is a cold-applied, solvent-based bituminous coating. It’s formulated with high-quality hard oxidized bitumen compounds and selected hydrocarbon solvents. This primer is primarily used to seal and prime surfaces before the application of torch-on waterproofing membranes and bitumen coatings.

Packing of Ashlat Primer D 41

It is available in convenient sizes of 5-liter and 25-liter tins, catering to various project requirements.

Uses of Bitumen Primer D 41

Asphalt-primer D 41 serves multiple purposes:

Priming and sealing of concrete, masonry, and timber surfaces

Preparing existing bituminous waterproofing membranes

Sealing metal, timber, clay, or cement bricks, and other porous and non-porous surfaces

Application Guidelines

Before applying Asphalt Primer D 41, it’s essential to consider temperature conditions. It should not be applied if the temperature is below 5°C. Additionally, precautions should be taken to avoid contact with skin and eyes, and adequate ventilation should be ensured during application.

Standards and Specifications

Asphalt Primer D 41 complies with ASTM D41, which specifies its suitability for use with asphalt in roofing, dampproofing, and waterproofing applications. The standard ensures quality and safety in its use.

Benefits of Using Bitumen Primer D 41

Using Asphalt Primer D 41 offers several advantages, including enhanced adhesion and waterproofing properties. It provides protection against corrosion and deterioration, extending the lifespan of surfaces.

Comparative Analysis

Compared to other primers available in the market, Bitumen Primer D 41 stands out for its superior quality and performance. Its formulation ensures reliable results in various applications.

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Bitumen Primer Specifications

Bitumen Primer D-41 Specifications
Property Specifications Test Method
Density. Kg/litre 0.85-0.88 ASTM D-70
Saybolt Furol Viscosity at 250C Seconds 25-125 ASTM D-88
Tack Free time, hour 2hrs at 300 C
Distillation, Volume% of the Primer
Up to 2250C 35 (Min) ASTM D-402
Up to 3600C 65 (Max)  
Tests on residue from distillation: 20-50 ASTM D-5
Penetration at 250C 99 ASTM D
Solubility in trichlorethylene% 2042
Water Content 0.5 (Max) ASTM D-95

Download the Specification of Bitumen Primer

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Download the MSDS of Bitumen Primer

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