Gravel 4-8

Gravel specification: 4-8 material

Transportation mode: railway, automobile transportation

Product characteristics: The average grade of CaO is approximately 53%; the average grade of MgO is 0.80%; the average grade of Na2O is 0.05%; the average grade of K2O is 0.05%; and the average grade of Na2O+K2O is 0.10%.

Marble is a non-metallic mineral resource that can be processed and utilized in various ways. It serves as an important industrial raw material for metallurgy, building materials, chemical industry, light industry, construction, agriculture, and other specialized industrial sectors.

It is primarily used for: (1) producing cement and calcining lime in the construction industry; (2) serving as a flux in the metallurgical industry; (3) manufacturing alkali, bleaching powder, and fertilizers in the chemical industry; (4) acting as a clarifying agent in the food industry; (5) improving soil quality in agriculture; (6) serving as a filler in the plastics industry; (7) widely used in various architectural coatings in the paint industry; (8) functioning as an alkaline filler in the paper industry; (9) acting as a basic filler in the rubber industry; and (10) serving as an adsorbent in the environmental protection industry.