Size 625 x 240 x 300mm Shape Rectangular Brand Insta Block Material Autoclaved Aerated Concrete Usage/Application Side Walls, Partition Walls, Roof etc Product Type Blocks Brick/Block Color Gray Compressive Strength Min 4 N/mm2 Precision in Size +/- 5mm Dry Density 550 to 650 kg/m3 Fire Resistance 2 to 6 hours Thermal Conductivity 0.16 W/m-K Drying Shrinkage 0.04% We are offering 625 x 240 x 300mm AAC Block to our clients. Advantages: No efflorescence emission (while salt appearance) at large Highly thermal insulating product used for both internal and external construction Easy and quick to install thereby saving other materials used conventionally for construction