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Sell China factory produced SIO2 high purity white fused silica powder

  • Sell China factory produced SIO2 high purity white fused silica powder
  • Sell China factory produced SIO2 high purity white fused silica powder
  • Sell China factory produced SIO2 high purity white fused silica powder
  • Sell China factory produced SIO2 high purity white fused silica powder
  • Sell China factory produced SIO2 high purity white fused silica powder
Country of Origin︰China
Unit Price︰US $ 640 / ton
Minimum Order︰1 ton
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Product Description

Product Description:

The fused silica powder is made of natural high-quality quartz, which is melted by high temperature and the amorphous silicon dioxide after cooling is used as the main material, and then processed by unique technology. The product has high purity, low thermal expansion coefficient, low internal stress, high moisture resistance and low radioactivity. As a plastic sealing material for enclosed integrated circuits, it has the outstanding advantages of good dynamic performance, less spills/spillage and large filling capacity.

Application:

Fused silica powder is widely used in electronic packaging, investment casting, high-grade electrical insulation, paint and coatings, silicone rubber, refractories, high-grade plastics, special ceramics and other industries.

Main Features:

1. Extremely low linear expansion coefficient and low internal stress.

2. High purity, good whiteness and uniform particle size distribution.

3. Good electromagnetic radiation.

4. Low ion content, low conductivity, excellent electrical insulation.

5. Stable chemical properties and high moisture resistance.

6. Good acid and alkali resistance, high temperature resistance and insulation performance.

                      Technical Data Sheet

Item

Unit

Standard Scope

Typical Values

Appearance

-

White powder

1500mesh

Amorphous SiO2

%

99-99.9%

99.6

Mean Grain size

µm

2-25

5.584

Whiteness

%

92-98

96

Fe2O3

%

≤0.03

0.008

Whiteness

Us/cm

1-30

3.2

PH Value

 

6.5-8.0

7.2

Moisture

%

0.05-0.1

0.06

BET(SSA)

/kg

1700-8000

7212

Density

g/cm3

2.2

2.2

Moh's hardness

 

6

6

Inductivity

1MHz

3.88

3.88

Linear expansion coefficient

1/K

0.5×10-6

0.5×10-6

Thermal conductivity

W/K·m

1.1

1.1

We can produce 400-6000 mesh products with different specifications according to customer requirements.

 

 

Payment Terms︰TT
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