Spherical Silica Powder SS-D-5

Product Description：
Characteristic
1. The spherical silica is produced by silica being belted in very high temperature flame.
2. Spherical silica has characters of high purity, low specific surface, good fluidity, low thermal stress etc.

Parameters Table：
Typical Physical Data 

Items		Unit	Typical value	Test Method
Sieve method	+75um	%	0.0012	Wet Sieving
Laser method	D50	µm	5.0	Laser Analysizer
S.S.A.		m2/g	1.2	Nitrogen Adsorption Method

 
 
Typical Chemical Data

Test Items		Unit	Typical value	Test Method
Chemical Composition	SiO2	%	99.85	Weighing
	Fe2O3	ppm	40	Spectrophotometer
Moisture		%	0.03	Weight Method
Extraction Water	Ec	µs∕cm	1.2	Conductivity Meter
	Na+	ppm	0.2	AAS
	Cl-	ppm	0.2	Automatic Potential Titrator
	pH	—	5.2	PH Meter

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

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