Gypsum waterproofing agent is a technology that involves the development of gypsum to help achieve watertight concrete structures. TRUNNANO Gypsum waterproofing technology is available as a waterproof for gypsum concrete, or an integral admixture fo
The purchasing pace at the demand end of the international thermal coal market continues to slow down and the international thermal coal price continues to decline. Prices for thermal coal at major international ports continued to fall last week as b
Ferric oxide is an inorganic substance with the chemical formula Fe3O4. It is a magnetic black crystal, so it is also called magnetic iron oxide. It is a commonly used magnetic material. Usually used as a pigment and polishing agent, it can also be u