タイトルまたは説明

Name:Cobblestone;
Main chemical composition: silica; followed by a small amount of iron oxide and trace elements and compounds of manganese, copper, aluminum, magnesium and other compounds;
Color: black, white, yellow, red, green, blue etc.;
Features: nontoxic, tasteless and undecolorizing. The quality is hard, the color and lustre is clear and simple, with the properties of the natural stone with compression resistance, abrasion resistance and corrosion resistance;
Application:
1. Building :courtyard, paved road;
2. Park rockery, bonsai:filling material;
3. Water purification, sewage treatment, electric power, garden:raw material;
4. Ceramics, precision casting, paper making, grinding, chemical industry, monocrystalline silicon, national defense and so on:raw and auxiliary materials;
Technical parameters of cobblestones: