Characters:
white or colorless crystalline powder, hardly soluble in the acid and water. Odorless and tasteless, relative density 2.68, with moisture absorption. Soluble in ether and other solvents, insoluble in alcohol. The solubility is greater in acid than in water. Decompose in alkaline solution to form sodium fluoride and silicon dioxide. After scorching 300 degrees above, decomposition into sodium fluoride and silicon tetrafluoride.
Mainly used as enamel cosolvent, glass opalescent agent, acid - proof cement and acid - proof concrete coagulant and wood preservative, pesticide industry used in the manufacture of pesticides. Natural latex products used as a coagulant, electrogalvanized nickel iron triple coating used as an additive, but also used as a plastic filler, in addition to pharmaceutical and drinking water fluoride treatment and manufacture of artificial crcrite sodium fluoride.
Ons het baie fabrieke van hoë gehalte met diep samewerking, wat u produkte van hoë gehalte en mededingende pryse kan voorsien. En ons kan ook afslag gee vir grootmaat aankope. En ons werk saam met baie professionele vragversending maatskappye, kan produkte veilig en glad aan jou hande lewer. Afleweringstyd is ongeveer 3-20 dae na bevestiging van betaling.
Item
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Specification for First Grade 98.5%
|
Specification for Fine Grade 99%
|
Na2SiF6
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≥98.5%
|
≥99%
|
Fe
|
≤0.02%
|
≤0.02%
|
Loss of Weight on Drying at 105ºC
|
≤0.3%
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≤0.4%
|
Insoluble in Water
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≤0.4%
|
≤0,5%
|
Free Acid (as HCL)
|
≤0.1%
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≤0.15%
|
Heavy Metal(as Pb)
|
≤0.02%
|
≤0,05%
|
1. Is jy 'n fabriek of 'n handelsmaatskappy?
Ons is 'n maatskappy wat industrie en handel integreer, wat eenstopdiens lewer. OEM kan aanvaar word.
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Gratis monsters. Die monster se vragfooi moet aan jou kant betaal word.
3. Het u enige sertifikate wat verband hou met gehaltebeheer?
ISO 9001:2008-sertifisering om kwaliteit te verseker.
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Aanvaarde afleweringsbepalings: FOB, CFR, CIF, EXW;
Aanvaarde betaling Geldeenheid: USD;
Aanvaarde tipe betaling: T/T, Western Union; Paypal, Handelsversekering.
Gesproke taal: Engels.
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