The product is an inorganic material, with the main crystal phase being hard calcium silicate, and its physical and chemical properties are stable. 

The product is an inorganic material, with the main crystal phase being hard calcium silicate, and its physical and chemical properties are stable. 

The product is an inorganic material, with the main crystal phase being hard calcium silicate, and its physical and chemical properties are stable. 

Waterproofing agent specification requirements