Natural silica sand-LIANXIN SAND GROUP

Natural silica sand

High-quality silica sand, clean surface, particle size and other advantages, is the ideal natural foundry sand.

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High quality silica sand with SiO₂The content is moderate, the surface is clean, the grain is round and other advantages, is the ideal natural foundry sand. The company has 3 mines, covering an area of 1700 acres. The annual production capacity of each type of silica sand is 700000 tons. The use of drying system, screening system, grading system to meet customer demand for silica sand particle size distribution, production control fine management, product quality and stability.

天然硅砂

Name	Chemical composition (%)					performance index
Group code	SiO₂	AI₂O₃	Fe₂O₃	It's high MgO	K₂The Na₂O	Burning reduction (%)	Acid consumption value ml	Sintering point ℃
40/70	88-93	≤ 6.0	≤ 0.6	≤ 0.8	≤ 4.0	≤ 0.35	≤ 4.5	≥ 1350
50/100
50/140
70/140
100/200