Acid brick is quartz, feldspar and clay as the main raw materials, high temperature kiln firing from acid - resistant materials with high acid, low water absorption, at room temperature easily oxidized, can not easily be contaminated and other media properties. Product specifications are 150 * 150 * 15/20/30 150 * 75 * 15/20 / 30,200 * 200 * 15/20/30 * 230 * 113 * 300 * 15 65,300 / 20,250 * 25,400 * 250 * 400 * 15/20 / 30 Tel 0371-55078888 18739149666 QQ 378965288