Fused quartz sand 1-2 mesh

产品描述

Fused quartz sand:

With fused quartz blocks produced by our company as raw materials, according to different uses, fused quartz sands of various specifications are produced through classification, impurity removal, crushing and shaping, screening and magnetic separation. The product has very low thermal conductivity and excellent thermal stability, and the particle size distribution is stable. Mainly used as raw materials for crucible, technical ceramics, advanced refractory, precision casting and other industries.

Main uses:

Quartz crucible raw material

Casting material

Raw materials for refractory, ceramic and glass industries

Chemical composition:

SiO2

> 99.9%

TiO2

< 50ppm

Fe2O3

< 0.01%

MgO

< 50ppm

Al2O3

< 200ppm

CaO

< 50ppm

Na2O

< 50ppm

K2O

< 50ppm

EC

0.9μs/cm

  Physical properties:
  Appearance: Colorless transparent lump, granular or white powder
  True weight: 2.21
  Mohr hardness: 7.0
  PH: 6