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China, Chinese Top Quality Fused Silica Sand for Refractory/Investment Casting/EMC/Fbe1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Refractory MaterialSilica Refractory MaterialFused Silica SandFused Silica
LIANYUNGANG KAESHING INTERNATIONAL TRADING CO., LTD.
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Product Description We'd like to send free samples for Purpose of test,Research and Development.Fused Silica sand XRD Report:Fused Silica is made of high purity crystal silica from China Donghai-Xinyi by electrically fusing (fusing temperature 1800-2000oC) to amorphous Silicon dioxide, then is specially engineered into lumps,cullet, ingots, sand,grain,granular and powder flour form designed for making PV fused silica crucible,thermal ceramic,refractory,EMC investment casting ceramic shell etc.Fused Silica sand Appearance and Specifications:1): It is forbidden to contain any unfused parts. 2): It is forbiden to have Foreign material, such as string, plastic line, carbon or wooden material, metal or other outside contaminants.3): All color dots is forbidden except conditional black dots4): It is not acceptable that black spot diameter is larger than 2mm.5): Total black dots quantity should be less than 10 when opening the big bag equal or less than 10 dots persquare meters 1.Physical Properties1.1CompositionSiO21.2StructureAmorphous1.3ColourTransparent or white1.4Melting Temperature approx.1750oC1.5Specific Gravity2.21g/cm31.6Hardness 7 Mohs1.7Thermal Expansion 0.5*10-62.Chemical Properties 2.1SiO2>99.9%2.2Al2O3<100ppmThe finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball.2.3Fe2O3<30ppm for grains<60ppm for powder2.4CaO<15ppm2.5Na2O<15ppm2.6K2O<15ppm3. Particle Size Distribution Standard 10-2030-5050-100-120-200-325MeshMicrons +82360<2 +1217006-25 +16118033-50 +2085025-45<1 +306001325-40 +40425 32-45 +50300 15-30<13 +70212 30-60 +80180 0-11 <1 +100150 28-51<10<1 +140106 4-167-13<10 +20075 <210-15<10<3+32545 14-2015-304-11Pan <3<2<145-5570-8086-97*Pan designates the percentage of fused silica passing the last reported screen for each size.Fused Silica sand Pictures:Fused silica powder Package and Delivery:Paper bagsPlastic Woven Bag of 25kg Net each,Then on Pallet:Factory and Quality Control Pictures:FAQ:Q1. Can I have a sample order for fused silica products?A: Yes, we'd like to send samples free of charge by TNT/FEDEX/DHL. Mixed samples are acceptable.Q2. What about the lead time?A:It is 3-5 days for sending samples It is usually within 15 days to delivery orders for quantity within 100mt, Q3. Do you have any MOQ limit for fused silica sand order?A: No.But the less the average cost higher.Q4. How do you ship the goods and how long does it take to arrive?A: We usually ship by DHL, UPS, FedEx or TNT. It usually takes 3-5 working days to arrive. It depands on the distance by sea.7-40days.Q5. How to process an order for fused silica powder Products?A:1).let us know your requirements or application.2).We quote according to your requirements or our suggestions.3).customer confirms the samples and pay deposit for formal order.4).We arrange the production.Q6. Is it OK to print my logo on packages?A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.Q7: How to deal with the faulty?A: Firstly, Our products are produced in strict quality control system and the defective rate will be less than 0.2%.Secondly,If it happened,we shall arrange to send new products to you and pay for all your lost.
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