silica quartz 325mesh

good quality,best price, prompt delivery

1. Quartz Properties: quartz is the most common silica mineral, its main content is SiO2, specific density 2.65g/cm3, hexagon crystal,  lump or powder form. Appearance color: colorless, white, cyan gray.

2. Main applications: quartz sand (powder) mainly applied in the industries of glass, refractory, ceramic, casting, petroleum, chemical, abrasive etc. 3. Quartz Specification  Specifications Used in Glass Industry:

Quartz Grade	SiO2	Al2O3	Fe2O3	TiO2	Cr2O3	Remark
NO.1	99	0.5	0.05	0.05	0.001	Used in special glass
NO.2	98	1.0	0.1			Used in industrial and senior glass product
NO.3	96	1.5	0.5			Used in colored glass
NO.4	95	3.0	0.5			Used in colored glass

  Specifications Used in Ceramic Industry

Use & Index	SiO2	Fe2O3	Al2O3	K2ONa2O3	CaO	MgO
Electrotechnical porcelain	99.5	0.01	0.2	0.1	0.1	0.1
Construction and household ceramics	98.5	0.1

  Specifications Used in Metallurgy Industry

Use & Index	SiO2	Al2O3	Fe2O3	CaO	P2O5	TiO2	Refractoriness
Ultra Grade Silica Brick	≥98.5	≤0.5	≤0.5	≤0.5			1750 degree celsius
NO.1 grade silica brick	≥98.0	≤1.0	≤1.0	≤0.5			1730 degree celsius
NO.2 grade silica brick	≥97.0	≤1.5	≤1.5	≤1.5			1710 degree celsius
NO.1 grade Silica Iron	≥97.5	≤1.0		≤0.3	≤0.02
NO.2 grade Silica Iron	≥96.5	≤1.5		≤1.0	≤0.03

4. Sizes: 4-6mesh, 6-10mesh, 10-20mesh, 40-70mesh, 100-200mesh, 270mesh, 325mesh, 400mesh, 500mesh, 800mesh, 1250mesh etc

silica quartz 325mesh