Silica Powder CNPC brand,Factry price ,Good service from 200 to 8000 mesh D50:1.6um, D50 3um D50 5um, D50 10um

silica powder 

SILICA POWDER TECHNICAL DATA

                                                   

FEATURES

      Through chemical blanching and the superfine processing from the super purified and high quality natural silica ore.

      High pure white color, good gloss, anti-corrosive, anti- acid and anti alkali.

      The ideal raw materials and filler in comprehensive applications including polysilicon,paint-coatings, glazes, architecture, plastics and rubber, fiberglass, precision castings, polishes and cleansers, ceramic frits, adhesive, sealants, silica gels and epoxy resins and and more.

TECHNICAL SPECIFICATION

Chemical analysis
Si02	99.30%
Fe203	0.02%
A1203	0.40%
Ti02	0.02%
CaO	0.02%
MgO	0.01%
Na2O+K2O	0.03%
Loss on ignition	0.20%
B-222
-45 microns %	90	Brightness	89-92
Median Size microns	14-18um	Hardness	7.0-7.5
+325 mesh	10	PH	6.5-7.3
Oil absorption	10-12	Specific Gravity	2.65
B-333
-45 microns %	95	Brightness	89-92
Median Size microns	8-10um	Hardness	7.0-7.5
+325 mesh	5	PH	6.5-7.3
Oil absorption	12-15	Specific Gravity	2.65
B-444
-45 microns %	99	Brightness	89-92
Median Size microns	4-7um	Hardness	7.0-7.5
+325 mesh	1	PH	6.5-7.3
Oil absorption	18-22	Specific Gravity	2.65
B-666
-45 microns %	99.9	Brightness	89-92
Median Size microns	2.8-4.0um	Hardness	7.0-7.5
D90	9-16um	PH	6.5-7.3
Oil absorption	25-28	Specific Gravity	2.65
B-888
-45 microns %	99.99	Brightness	89-92
Median Size microns	1.6-1.9um	Hardness	7.0-7.5
D90	3-5um	PH	6.5-7.3
Oil absorption	33-45	Specific Gravity	2.65

                                      

As a paradigm, the above physical property and the chemical data are based on the mean of the samples analytical datum. Please do not directly apply in the analysis of physical and the chemical composition under precise request.

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