Feature:

Long Time Materials

Refractoriness (℃):

1580< Refractoriness< 1770

Shape:

3-5mm, 1-3mm, 0-1mm, 200mesh, 325mesh, Customized

Type:

Refractory Material

Sio2:

>99.9%

Fe2o3:

<0.006%

Al2O3:

<0.01%

Quartz Phase:

<0.1%

Cristablite Phase:

<0.1%

Amophous Matter:

>99%

Report:

SGS

Material:

Amorphous Sio2

Trademark:

Kaeshing

Transport Package:

Plastic Woven Bag, Paper Bag, Big Bag, Pallet

Specification:

SiO2>99.9%

Origin:

China Lianyungang

HS Code:

32074000

Product Description

We'd like to send free samples of fused silica sand,fused silica powder for Purpose of test,Research and Development.

SGS Report:

Grade A Fused Silica grain and fused silica flour Specifications:

1.	Physical Properties
1.1	Composition		SiO₂
1.2	Structure		Amorphous
1.3	Colour		Transparent or white
1.4	Melting Temperature		approx.1750ºC
1.5	Specific Gravity		2.21g/cm³
1.6	Hardness		7 Mohs
1.7	Thermal Expansion		0.5*10^-6
2.	Chemical Properties
		Grade A Plus
2.1	SiO₂	>99.9%
2.2	Al₂O₃	<100ppm
	The finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball.
2.3	Fe₂O₃	<30ppm for grains <60ppm for powder
2.4	CaO	<15ppm
2.5	Na₂O	<15ppm
2.6	K₂O	<15ppm

3. Particle Size Distribution