BJR 40

Block Joint Mortar

BJR - 40 is a high-quality, ready-to-use, grey cement-based, non-shrink, self-curing mortar specifically designed for fixing and jointing AAC blocks, concrete blocks, and fly ash bricks. This advanced formulation provides superior adhesion, workability, and long-term durability compared to conventional mortars.

Available Pack Sizes

40Kgs & 25Kgs

Coverage

~3 - 4 kg per m² for a 3 mm joint thickness

Application Areas

-

Technical Data Sheet(TDS)
MSDS
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Key Features & Benefits
  • Ready-to-use formulation – Only requires water to be added, ensuring ease of application.
  • Superior adhesion strength – Enhances overall masonry stability and bond strength.
  • Thinner jointing material – Reduces material consumption and improves cost-effectiveness.
  • Faster application – Excellent spreadability for quick and efficient work.
  • High strength and water retention – Ensures durable and robust masonry joints.
  • Self-curing properties – Eliminates the need for additional curing, saving time and resources.
Recommended Uses
  • Masonry construction – Ideal for fixing AAC blocks, concrete blocks, and fly ash bricks.
  • Residential and commercial buildings – Suitable for walls in homes, apartments, offices, and industrial units.
  • Interior and exterior applications – Designed for use in both indoor and outdoor masonry work.
Technical Specifications
# Property Value Test Standard
1 Chemical Base Cementitious mortar modified with polymers -
2 Appearance/Color Grey powder -
3 Packaging 40 kg & 25 kg bags -
4 Shelf Life 6 months from production date -
5 Storage Conditions Store in original sealed packaging in a cool, dry place, away from moisture -
6 Bulk Density ~1.33 kg/L (at 27°C) -
7 Compressive Strength (28 days) ≥ 6 N/mm² EN 1015-11
8 Tensile Adhesion Strength ≥ 0.8 N/mm² EN 1348
9 Consumption ~3 - 4 kg per m² for a 3 mm joint thickness -
10 Layer Thickness 3-4 mm -
11 Ambient Air Temperature +5°C to +45°C -
12 Substrate Temperature +5°C to +45°C -
13 Pot Life 90 minutes -
Data Reliability

All technical data provided in this document are based on laboratory tests. Actual performance may vary due to factors beyond our control.

Regional Compliance

Product specifications may vary based on local regulations. Please refer to the local Product Data Sheet for precise information.

Legal Disclaimer

The information and recommendations regarding the application and end-use of Carbolink products are provided in good faith based on our current knowledge and experience. Due to variations in materials, substrates, and actual site conditions, no warranty of merchantability or fitness for a specific purpose can be inferred. The user must determine the product's suitability for the intended application. Carbolink reserves the right to change the properties of its products. All proprietary rights of third parties must be observed. Orders are subject to our current terms of sale and delivery. Always refer to the most recent local Product Data Sheet, available upon request.

Guaranteed Reliability

We design our materials for exceptional lifespan and unwavering reliability.

Unbeatable Value

Exceptional Performance at an Outstanding Price

Certified Quality

Meeting Industry Standards for Performance and Safety