grey clay facing wall brick

Product Details

The blue bricks are made of natural clay, and the products after firing are blue-black, with strong density, good frost resistance, no deformation, and no discoloration. The small amount of sulfur in the blue bricks can sterilize, balance the harmful chemical gases such as formaldehyde in the decoration, maintain indoor air humidity, and integrate the characteristics of "breathability, water absorption, anti-oxidation, and air purification".