Quartz sand, Hebei, Beijing Sales

Author:admin　Date:2010年10月18日　Source:internet Views:

Core tips:The main specifications of quartz sand :4-6 ,6-10 mesh ,10-20 mesh ,20-40 mesh, 40 mesh-70 mesh ,70-100 mesh, 200 mesh, 270 mesh, 325 mesh.

According to the quality of quartz sand can have an ordinary quartz sand, quartz sand and two refined.

The main specifications of quartz sand :4-6 ,6-10 mesh ,10-20 mesh ,20-40 mesh, 40 mesh-70 mesh ,70-100 mesh, 200 mesh, 270 mesh, 325 mesh.

Quartz sand is mainly used for the manufacture of glass, refractories, smelting ferrosilicon, metallurgical fluxes, ceramics, abrasive materials, casting, the use of quartz in the construction of a strong acid etching medium capacity, used for extracting acid and acid of concrete mortar. Quartz hardness of 7, the proportion of 2.65, the color is milky white, yellow, brown and gray, quartz has a higher fire resistance, melting point of 1730 degrees Celsius.

Chemical composition of quartz sand (no impurities, white):

Chemical composition of SiO 2 Al 2 O 3 Fe 2 O 3 MgO K 2 O CaO TiO 2 content (%) 99.2 0.20 0.015 0.011 0.056 0.023 Trace

Ordinary quartz sand (color: yellow-white):

Chemical composition of SiO 2 Al 2 O 3 Fe 2 O 3 other content (%) 97.58-98.35 0.85-1.02 0.74-1.03 trace

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