Non Metallic Silica Powder

Place of origin: hebei, china (mainland)
brand name: xuankun
model number: silica sand
type: silica quartz
application: refractory
grade: silica oxide micro fine -400
sio2 content (%): 99%
fe2o3 content (%): 0.03
al2o3 content (%): 0.36%
mgo content (%): 0.55%
cao content (%): 0.09%
p2o5 content (%): 0.0002%
purity: 4n
color: natural color
size: requirements
material: natural quartz
shape: particle
sand type: natural sand
feature: low hardness
item: silica sand silica quartz sand
refractoriness (degree): 1770
introduction of silica powder:
silica sand (with silica powder), also known as quartz sand.it is a hard, wearresistant, chemical stability of minerals, the main mineral component is quartz, the main chemical ingredient is sio2, the color of the powder is white or colorless.
Feature of silica powder :
1.appearance is as grey&white off.
2.high electrical resistivity
3.low permeability
4.superior resistance to chemical attack from chlorides,acids and sulfates
5.low chloride ion diffusion
6.high reactive pozzolan
7.high temperature strength
8.improved stability ingeothermal environment