Spherical Silica Powder SS-D-45

Product Description：
Characteristic
1． Spherical silica is kind of silica which has a spherical particles.
2． Spherical silica has characters of high purity, low specific surface, good fluidity, low thermal stress etc. 

Parameters Table：
Typical Physical Data

Test Items		Unit	Typical value	Instrument or Method
Laser method	D10	µm	20.09	Laser Analyzer
	D50	µm	47.11
	D90	µm	79.40
Density		g/cm3	2.20	Pycnometer
Specific surface area		m2/g	0.6	Nitrogen Adsorption Method

 
 
Typical Chemical Data

Test Items		Unit	Typical value	Instrument or Method
Chemical Composition	SiO2	%	99.8	Weighing Method
	Al2O3	%	0.2	Spectrophotometer
	Fe2O3	ppm	80	Spectrophotometer
Moisture %		%	0.03	Weight Method
Loss on Ignition		%	0.10	Weight Method
Amorphous Content		/	99.0	XRD

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.