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99% Purity 7um Spherical Silica Powder Silica Sphere Microsphere SS-D Series

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Name: 99 Purity 7um Spherical Silica Powder Silica Sphere Microsphere SSD Series
Brand: SINOENERGY GROUP
Price: 1 USD

Place of Origin : China

MOQ : 1KG

Delivery Time : 3-5 work days

Payment Terms : L/C,T/T

Supply Ability : 20-25kg per bags

Brand Name : SINOENERGY GROUP

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Spherical Silica Powder

SS-D-7

Characteristic

The spherical silica is produced by silica being belted in very high temperature flame.

Spherical silica has characters of high purity, low specific surface, good fluidity, low thermal stress etc.

Applications

It is widely used in the fields of EMC, high-tech electronic materials, high grade paints, etc.

Typical Physical Data

Items		Unit	Typical value	Test Method
Sieve Method	+25µm	%	0.0008	Wet Sieving
Laser method	D50	µm	7.0	Laser Analyzer
Laser method	D100	µm	21.2	Laser Analyzer
S.S.A.		m²/g	1.4	Nitrogen Adsorption Method

Typical Chemical Data

Items		Unit	Typical value	Test Method
Chemical Composition	SiO₂	%	99.8	Weight Method
Chemical Composition	Fe₂O₃	ppm	60	Spectrophotometer
Moisture		%	0.03	Weight Method
Extraction Water	Ec	µs∕cm	2.1	Conductivity Meter
	Na⁺	ppm	0.7	AAS
	Cl^-	ppm	2.0	Automatic Potential Titrator
	pH	—	5.2	PH Meter

Above specification are for common uses,and can be adjusted upon user’s request.

Product Tags:

7um Spherical Silica Powder

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