200 mesh 325mesh fused silica sand for shell making
Fused silica is made of high purity crystal silica by electrically fusing (fusing temperature 1800-2000℃) to amorphous Silicon dioxide , then it was classed to different grades by manual and then specially engineered to granular and powder form.
Chemical Specification
| Item | SIO2 | FE2O3 | AL2O3 |
| Fused Quartz Sand | 99.6%-99.9% | 0.008% | 0.04% |
| Mesh Size | 4-6,6-18,18-36,18-36,36-70,70-120,200,325,600,1000,2000,5000. | ||
♦ Used in precision casting.
♦ Refractories and optical glass manufacturing.
♦ Grinding wheel abrasives and high quality glass production.
♦ Mainly applied in plastic seal used in large-scale and extra large-scale integrate circuit.
♦ Epoxy resin, pouring, quartz rubber and other chemical industries.
♦ Why choose FSK?
Cost-effective, fast development efficiency, professional operation with integrity.
Product quality assurance, delivery guarantee, good after-sales service.
♦ When can I get the quotation?
We usually quote within 24 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell me by email so that we will reply to you in time.
♦ How can I get samples to check the quality?
After price confirmation, you can require samples to check the quality of our product. We could send you samples for free while you bear the freight cost.
♦ Can you do the special packing for us?
Yes, we could pack our product according to the requirement of our customers.
♦ How long is your delivery time?
We usually deliver the goods within 10 days after the payment.
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