large grey bricks

Product Details

The product after firing the ancient blue brick is blue-black, with high density, good frost resistance, no deformation, and no discoloration. The black and white gray blue brick is made of natural original soil without oxygen, and the home is warm in winter and cool in summer. It is environmentally friendly: It contains a trace amount of sulfur, which can sterilize, balance the formaldehyde and other harmful chemical gases in the decoration, and maintain indoor air humidity. It has the characteristics of "breathability, water absorption, anti-oxidation, and air purification". The surface of the product is smooth with right angles , Perfect structure, compression and wear resistance, it is an ideal material for house wall and pavement decoration.