Low Price Fumed Silica Sio2 Industrial Grade CAS 7631-86-9

Low Price Fumed Silica Sio2 Industrial Grade CAS 7631-86-9

Minimal Cost Fumed Silica Sio2 EPT grade CAS 7631-86-nine

Solution Description

CAS Quantity 7631-86-9
Item Identify Amorphous Silica
Molecular Method O2Si
Molecular WeigEPT sixty.0843
InChI one/2O.Si/q2*-two+4
EINECS 231-545-four
Physical Info
Physical appearance White Crystals Or Powder
Density two.six
Melting Level 1610 ordmC
Solubility insoluble in water

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Houses and check methods



Specific surface area location (Bet)


380 plusmn30

Bulk density


Approx. fifty

Reduction on drying two hrs at one zero five ordmC



Reduction on igniton two hrs at 1000 ordmC, based on 2 hours drying at one hundred and five ordmC



pH4% suspension



SiO2 purity based on ignited content




Product Specs Examination Final results
Purity(%,Min) ninety nine.99 99.ninety nine
EPTurities (ppm,Max)
Al sixteen.2 Conform
Ca .8 Conform
Cu lt0.05 Conform
Cr lt0.05 Conform
Fe .5 Conform
K .nine Conform
Li .seven Conform
Mg .six Conform
Mn lt0.05 Conform
Na .eight Conform
Ti one.2 Conform
OH 30 Conform
Other Index
Density (g/cm3) two.2 Conform
Transmittance (um) .16-eight Conform
Refractivity (nm) 1.46/five hundred Conform
Softening Poit ( ordmC) 1670 Conform
Evaporating Temperature ( ordmC) 2200 Conform
Particle Measurement(mm) three~5 Conform

* Paint and coating * Rubber and Rubber synthetic * Polyester resin and gel layer
* Sealant and adhesive * PVC plastic * Glass fibre strengthened plastic
* EPT ink * Lubricating oil * Ceramics
* Cable glue line F


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Q: How can I get a lot more information (Techinical Knowledge Sheet / COA / MSDS) about the goods?
A: Please speak to us. Any question from you will get our high attention and prompt reply.

Q: What’s the MOQ?
A: We don’t have MOQ. LCL or FCL orEPTare welcome. But to save your unit transportation cost, we recommend FCL purchase.
Generally, 1 20 GP container can load twenty five Ton.

Q: How to get sample?
A: Kindly contact us Free sample are ready for you!

Q: Are your producer or trade business?
A: We are producer getting our own manufacturing unit and uncooked content. Welcome to go to our manufacturing unit!

Low Price Fumed Silica Sio2 Industrial Grade CAS 7631-86-9

Low Price Fumed Silica Sio2 Industrial Grade CAS 7631-86-9