- Overview
- Product Description
- Third Party Test Report
- Production Process
- Detailed Photos
- Packaging & Shipping
Basic Info.
Product Description
Manufacturer of fused silica sand and powder for high-quality and reliable service. Choose Lianyungang Chemsize International Trading Co., Ltd. as your supplier!
Grade A Fused Silica sand & powder for various applications. High purity and quality from Lianyungang Chemsize International Trading Co., Ltd.
1. | Physical Properties | |||
1.1 | Composition | SiO2 | ||
1.2 | Structure | Amorphous | ||
1.3 | Colour | Transparent or white | ||
1.4 | Melting Temperature | approx.1750ºC | ||
1.5 | Specific Gravity | 2.21g/cm3 | ||
1.6 | Hardness | 7 Mohs | ||
1.7 | Thermal Expansion | 0.5*10-6 | ||
2. | Chemical Properties | |||
Grade A | Grade B | Grade C | ||
2.1 | SiO2 | >99.9% | >99.85% | >99.7% |
2.2 | Al2O3 | <100ppm | <150ppm | <0.05% |
The finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball. | ||||
2.3 | Fe2O3 | <30ppm for grain | <60ppm | <0.05% |
2.4 | CaO | <30ppm | <60ppm | <0.02% |
2.5 | Na2O | <30ppm | <60ppm | <0.02% |
2.6 | K2O | <30ppm | <60ppm | <0.02% |
Particle Size Distribution
Discover high-quality silica powder for epoxy molding compounds from Lianyungang Chemsize International Trading Co., Ltd. Choose from a wide range of options for your precision casting needs.
Standard | |||||||
10-20 | 30-50 | 50-100 | -120 | -200 | -325 | ||
Mesh | Microns | ||||||
+8 | 2360 | <2 | |||||
+12 | 1700 | 6-25 | |||||
+16 | 1180 | 33-50 | |||||
+20 | 850 | 25-45 | <1 | ||||
+30 | 600 | 13 | 25-40 | ||||
+40 | 425 | 32-45 | |||||
+50 | 300 | 15-30 | <13 | ||||
+70 | 212 | 30-60 | |||||
+80 | 180 | 0-11 | <1 | ||||
+100 | 150 | 28-51 | <10 | <1 | |||
+140 | 106 | 4-16 | 7-13 | <10 | |||
+200 | 75 | <2 | 10-15 | <10 | <3 | ||
+325 | 45 | 14-20 | 15-30 | 4-11 | |||
Pan | <3 | <2 | <1 | 45-55 | 70-80 | 86-97 |
Fused Silica
Pan designates the percentage of fused silica passing the last reported screen for each size.
Special Features:
- Extremely low coefficient of thermal expansion
- Consistent chemistry
- Carefully controlled particle size distribution
Applications:
Used in industries such as thermal ceramic, refractory, investment casting, EMC, solar crucible, quartz marble, powder coating, etc.
Available Sizes:
- 0-1mm, 1-3mm, 3-5mm
- 0.2-0.5mm, 0.1-0.5mm
- -10mesh, 10-20mesh, 30-50mesh, 50-100mesh, -100mesh, -150mesh, -270mesh
- 30-60mesh, 60-120mesh, 40-70mesh, 70-140mesh, 100-200mesh
- 120F, 200mesh, 325mesh, 400mesh, 600mesh, 800mesh, 1250mesh, etc.
The particle size can be produced as per the customer's special requirement.
Company name: Lianyungang Chemsize International Trading Co., Ltd.
Product Description: Fused Silica
Fused silica is a high-purity quartz sand that has been melted to form glass. Its high volume stability, low volumetric expansion, and high purity make it an extremely useful and versatile material for refractory applications, such as in aluminum launders or other highly cyclical applications.
At Lianyungang Chemsize International Trading Co., Ltd., we carefully select high-purity silica sand (SiO2 > 99%) from local Donghai/Xinyi as our raw material. The silica sand is melted at high temperatures (2000-2300 ºC) to form amorphous silicon dioxide glassy ingots, which are then processed into fused silica lumps, sand, and powder according to customer requirements.
Discover high-quality Fused Silica for clear pictures with Lianyungang Chemsize. Supplier of Epoxy Molding Compound Silica Powder.
Fused Silica Plastic Woven Bag of 25kg Net each, Then on Pallet. Supplier of Epoxy Molding Compound Silica Powder.
Explore our Fused Silica Factory and Quality Control Pictures at Lianyungang Chemsize International Trading Co., Ltd. We are a leading Epoxy Molding Compound Silica Powder Supplier.
Fused Silica Product Description
Fused Silica Making Process
Fused Silica is produced using high purity crystal silica from China Donghai-Xinyi. It is electrically fused at temperatures ranging from 1800-2000ºC to create amorphous Silicon dioxide. The resulting material is engineered into various forms such as lumps, cullet, ingots, sand, grain, granular, and powder flour. These forms are specifically designed for manufacturing PV fused silica crucibles, thermal ceramics, refractories, EMC investment casting ceramic shells, and more.
Fused Silica Sand Appearance and Specifications:
- Must not contain any unfused parts.
- Should be free of foreign materials like string, plastic, carbon, wood, metal, or other contaminants.
- Only conditional black dots are allowed; all other color dots are prohibited.
- Black spot diameter should not exceed 2mm.
- Total black dots quantity should be less than 10 per square meter.
FAQ:
Q1. Can I request a sample order for fused silica products?
A: Yes, we offer free samples shipped via ***/FEDEX/DHL. Mixed samples are also acceptable.
Q2. What is the lead time for samples?
A: Samples are typically sent within 3-5 days.
Q3. Is there a minimum order quantity for fused silica sand?
A: No, but lower quantities may result in higher average costs.
Q4. How are the goods shipped and what is the delivery time?
A: We usually ship via DHL, UPS, FedEx, or *** with a delivery time of 3-5 working days. Sea shipments may take 7-40 days depending on the distance.
Q5. What is the process for ordering fused silica powder products?
A:
- Provide your requirements or application details.
- We will quote based on your needs or offer suggestions.
- Confirm samples and pay a deposit for the formal order.
- We will arrange production.
Q6. Can my logo be printed on the packages?
A: Yes, please inform us before production and confirm the design based on our sample.
Q7. How are faulty products handled?
A: Our products undergo strict quality control, with a defective rate of less than 0.2%. In case of any issues, we will send replacements and cover any losses.
For any inquiries, please contact Lianyungang Chemsize International Trading Co., Ltd.