Bondfast AAC Block Adhesive – Thin-Bed Mortar for AAC & ALC Blocks
Bondfast AAC Block Adhesive – Thin-Bed Mortar for AAC & ALC Blocks
A high-strength adhesive for quick and firm laying of AAC blocks with thin joints. A factory-mixed mortar of cement, graded sand and polymers, imparting high strength and water retention even at 2–3mm layer thickness.
Application
For interior and exterior use — preparing thin-bed mortar for AAC, light-weight and cellular concrete blocks.
Suitable For
Aerated light-weight blocks, concrete blocks, cement mortar blocks/bricks, concrete hollow blocks, cellular concrete blocks, fly ash bricks.
Advantages
- High bond strength
- No shrinkage cracks
- High thermal insulation
- Flexible, shock & impact resistant
- Improved adhesion between blocks
- Improved compressive & tensile strength
- Easy to use, premixed
Technical Details
Confirms to ASTM-C-1660-09
| Parameter | Result |
|---|---|
| Colour | Grey powder |
| Mixing Ratio | 3.5:1 |
| Pot Life | >3 hours |
| Open Time | ~25 minutes |
| Final Setting Time | 24 hours |
| Max. Bed Thickness | 8 mm |
| Compressive Strength | >7 MPa |
| Split Tensile Strength | >0.41 MPa |
Surface Preparation
Surface must be free from loose particles or foreign material. Pre-wet or dampen the surface with clean water if necessary.
Coverage
25 kg bag covers ~75–85 sq. ft.; 40 kg bag covers ~130–150 sq. ft. at 3mm thickness, for AAC blocks of 600x200x100mm.
Pack Size
25 / 40 KG
Shelf Life
10 months, if stored in a cool, dry place.