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The main ingredient of silica fume is amorphous silicon dioxide, as the rising of furnace gas, there are some impurities, such as floating C, Fe2O3,CaO,K2O,Na2O and so on. The colors of silica fume range from hoary, grey to dark grey as the rise of C, Fe2O3 content.
At present the classification standards of silica fume industry is based on the activated SiO2 content, our product can be divided into 900D,900U,920D,920U,940D,940U, " D"means Densified," U " means half-desified or undesified.
Loss on lgnition at 750℃(%)
Specific Surface Area(BET)(m2/g)
Silica fume is widely used in Refractory /fire-proof material production, as a necessary raw material. Such as refractory bricks, refractory mud, skateboarding, pouring material, slide plate etc.
1. Q:Are you a manufactory or trading company?
A:We are a professional manufactory with 12 years’ experience and 2 years of export experience, covers an area of 30 acres.
2. Q: May I know your MOQ request?
A:MOQ is 1 TON.
3. Q: Could you offer free sample?
A:We can provide free samples to you for quality testing.
4. Q: Does your product is dangerous merchandise?
A: Not dangerous merchandise, It belongs to Not legal Inspection merchandise.
5. Q: What about your packing?
A: Liquid in IBC tank or Flexitank;Powder in woven bags.
6. Q: How about your productive capacity?
A: 900000 tons/Year.
7. Q: What is your export port?
A: China main port.
8. Q: What is your delivery time?
A: Within 7 days after received advanced payment.
9. Q: Can you print logo or label on packing as customer request?
A: Yes, we can customize according to your requirements.
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