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Light weight
Require less water
Reduces possibility of crack formation
25 times lighter in weight than conventional mortars
Offers higher coverage


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Blockbond provides better heat insulation as its unique composition does not allow the creation of a thermal bridge. Perlcon Blockbond is 2.25 times lighter in weight than conventional mortars and therefore offers higher coverage.

To reap the full benefits of AAC/CLC blocks, they need to be used in combination with Perlcon Blockbond, lightweight mortar. Uniquely formulated to match the strength and be compatible with AAC/CLC blocks.

AAC/CLC blocks are lightweight, evenly finished and provide insulation. They have lower compressive strength and absorb much less water in comparison to bricks/CC blocks.

The use of conventional sand cement mortar which is heavier nullifies the advantages of AAC/CLC blocks. Because of mismatched properties with respect to AAC blocks and because it forms thicker joints, there is always a high probability of crack formation in walls made with AAC blocks and sand cement mortar.

Blockbond forms a thin and even masonry layer and joint. It also reduces the possibility of crack formation. It provides better heat insulation and is 2.25 times lighter than conventional mortars along with high coverage.

Technical Specifications
Dry density: 525 kg/cum (+/- 5%)
Initial setting time: 120 – 150 mins
Final setting time: 300 – 360 mins
Pot life: 3 hrs • Coating thickness: 3-4 mm (avg.)
Coverage*: 12 kg/cum (for AAC blocks of size 600 x 200 x 200 mm)
Shelf life**: 6 months
Ideal for use at 27oC to 30oC

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