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

Low Price tag Fumed Silica Sio2 EPT grade CAS 7631-86-9

Solution Description

CAS Amount 7631-86-9
Solution Identify Amorphous Silica
Molecular Formula O2Si
Molecular WeigEPT sixty.0843
InChI one/2O.Si/q2*-two+4
EINECS 231-545-4
Actual physical Knowledge
Appearance White Crystals Or Powder
Density two.six
Melting Stage 1610 ordmC
Solubility insoluble in h2o

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Properties and test methods



Distinct floor spot (Wager)


380 plusmn30

Bulk density


Approx. 50

Decline on drying 2 several hours at one hundred and five ordmC



Reduction on igniton 2 hours at one thousand ordmC, based on two hours drying at a hundred and five ordmC



pH4% suspension



SiO2 purity based mostly on ignited content




Merchandise Technical specs Take a look at Outcomes
Purity(%,Min) ninety nine.99 ninety nine.ninety nine
EPTurities (ppm,Max)
Al sixteen.2 Conform
Ca .eight Conform
Cu lt0.05 Conform
Cr lt0.05 Conform
Fe .five Conform
K .9 Conform
Li .seven Conform
Mg .6 Conform
Mn lt0.05 Conform
Na .8 Conform
Ti one.2 Conform
OH thirty Conform
Other Index
Density (g/cm3) 2.2 Conform
Transmittance (um) .16-8 Conform
Refractivity (nm) 1.46/500 Conform
Softening Poit ( ordmC) 1670 Conform
Evaporating Temperature ( ordmC) 2200 Conform
Particle Measurement(mm) three~five Conform

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


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Q: How can I get a lot more information (Techinical Data Sheet / COA / MSDS) about the items?
A: Remember to get in touch with us. Any question from you will get our high focus and prompt reply.

Q: What is the MOQ?
A: We don’t have MOQ. LCL or FCL orEPTare welcome. But to help save your unit transportation expense, we advise FCL buy.
Usually, one twenty GP container can load twenty five Ton.

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A: Kindly contact us Cost-free sample are ready for you!

Q: Are your producer or trade organization?
A: We are producer possessing our possess manufacturing facility and uncooked substance. Welcome to pay a visit 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