This product is a highly effective and penetrating - tylpe water - proofing agent that is also environmentally friendly and has strong chemosmosis integration properties that can remedy tiny cracks in the substrate materials and is also permeable to air 产品功效：本品为自然渗透型石材防护剂，高效、环保、化学渗透结合力强，能弥补石材细小裂缝，具有透气性。
