Basic Info.
Model NO.
0-1mm, 1-3mm, 3-5mm, 5-8mm, 200mesh, 325mesh
Application
Rubber, Ceramic, Casting
Fused Silica Sand
0-1mm,1-3mm,3-5mm,4-10mesh,10-20,20-50,50-100mesh
Fused Silica Powder
-100,-120f,-150L,200f,270f,325mesh
Transport Package
Paper Bag, Plastic Bag, Jumbo Bag, Pallet
Product Description
Lianyungang Chemsize International Trading Co., Ltd. offers high-quality fine silica powder for refractory projects. Choose our fused silica options for superior quality and service!
Product Description
Discover Grade A Fused Silica sand & powder options for refractory projects. High purity silica materials available 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
Explore our fine silica powder options for refractory projects, offering high purity and various grades for your specific needs. Choose from a range of silica materials to enhance your project.
Reference:
Company Name: Lianyungang Chemsize International Trading Co., Ltd.
Product Name: Fine Silica Powder Options for Refractory Projects
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| | 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, 0.212-0.425mm, 0.125-0.212mm, -0.044mm, -0.045mm, -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 customer's special requirement.
Company name: Lianyungang Chemsize International Trading Co., Ltd.
Third Party Test Report
Production Process
Fused Silica Production Process
High Purity Fused Silica by Lianyungang Chemsize International Trading Co., Ltd.
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 a versatile material for refractory applications, such as in aluminum launders.
At Lianyungang Chemsize, 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.
Detailed Photos
Fused Silica high clear Pictures for refractory projects. Choose from fine silica powder options by Lianyungang Chemsize International Trading Co., Ltd.
Packaging & Shipping
Fused Silica Plastic Woven Bag of 25kg Net each, then on Pallet. Ideal for refractory projects. High purity silica powder options available.
Lianyungang Chemsize International Trading Co., Ltd. offers high-quality fused silica options for refractory projects. Our fine silica powder is ideal for various applications, ensuring 99% purity and competitive pricing.
Fused Silica Product Description
Fused Silica Making Process
Fused Silica is produced from high-purity crystal silica sourced from China Donghai-Xinyi. It is electrically fused at temperatures ranging from 1800-2000ºC to create amorphous Silicon dioxide. The material is then specially processed 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 strings, plastic lines, carbon, wood, metals, or other contaminants
- Only conditional black dots are allowed, no other color dots
- Black spot diameter should not exceed 2mm
- Total black dots quantity should be less than 10 per square meter
For any inquiries, please contact Lianyungang Chemsize International Trading Co., Ltd.
Chemsize Fused Silica
Chemsize, a leading manufacturer of Fused Silica grains and powders, offers high-quality materials for various industries such as Refractory, Investment Casting, Technical Ceramic, and EMC filler applications. Our Fused Silica boasts a fusion ratio of up to 99.9% Amorphous SiO2, low iron content (max 30ppm), and minimal impurities, resulting in low thermal expansion, excellent thermal shock resistance, and low electrical conductivity.
Our unique electric-arc fusion technique ensures the production of pure Fused Silica exceeding 99.9% SiO2 purity. With a low coefficient of thermal expansion, high thermal shock resistance, and ISO-certified standards, our Fused Silica is chemically stable and has extremely low conductivity.
Chemsize Fused Silica is specially engineered for foundry, refractory, investment casting, and other specialized applications, offering consistent chemistry, controlled particle size distribution, and exceptional thermal properties. It is ideal for applications requiring insulative properties, tight tolerance castings, and volume stability.
Our standard packaging includes 25kg bags, 48 bags per pallet, or jumbo bags with a net weight of 1200kgs. We also provide customized shipments for bulk bags of varying sizes to meet specific customer needs.
Fused Silica Applications:
- Crucibles for solar cell production in the photo-voltaic industry
- Rollers, castables, mortars, and forming tools in the glass industry
- Technical ceramic production in the thermal resistance industry
- Ceramic slurry in the investment casting industry
Explore our range of Fused Silica products tailored for various applications, including resin fillers, EMC fillers, powder coating, refractory shapes, ramming mixes, and more. Our Fused Silica is widely used in industries like steelmaking, glass manufacturing, and investment casting for its exceptional performance at high temperatures and precise casting capabilities.
Invest in Chemsize Fused Silica for top-quality materials that meet the stringent requirements of diverse industries, including automotive, aerospace, medical, and commercial sectors.
Introducing Chemsize Fused Silica
Chemsize Fused Silica is a leading supplier of raw materials and machinery for investment casting, with over 30 years of experience in the industry.
Advantages of Fused Silica:
- Better particle shape for primary slurry
- Decreased material consumption due to lower density
- Increased permeability and porosity for improved shell quality
- Easier knock-out and shell removal
- Consistent quality and sustainable sourcing
- Cost-effective pricing at US$0.56/kg FOB LIANYUNGANG PORT
Application Areas:
Our Fused Silica is ideal for use in induction furnace lining ramming material, offering high purity and efficient performance in various melting applications.
FAQ:
- Sample orders available with free shipping
- Lead time for samples: 3-5 days
- Delivery within 15 days for orders up to 100mt
- No MOQ for fused silica sand orders
For more information, contact Lianyungang Chemsize International Trading Co., Ltd.
Address:
1-715, Shanghai Square, Huiquan Road, Economic and Technological Development Zone, Lianyungang, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Chemicals, Metallurgy, Mineral & Energy
Management System Certification:
ISO 9001, ISO 14001
Company Introduction:
Chemsize is a distributor of fused silica manufacturer Donghai Hechuang Silica Material Co. Ltd which have been devoted to manufacture high purity fused silica lumps, sand and fine powder over 30 years.
We're always paying full attention to fused silica quality and set up a complete test equipments to contract quality to keep it matchs standarder and stable.
Fused silica is one of raw materials of refractory product, investment casting slurry and ceramic shell, precision casting product, advanced thermal ceramic, epoxy molding compound, fusion bonded epoxy powder coating, quartz marble etc, it must be security under high temperature and acid etc conditions.
Over the years we have built up a network between clients and suppliers. Besides fused silica, we have developed the supply of silicon metal powder, silica gel, white fused alumina, brown fused alumina, fumed silica etc.
Chemsize creates value for clients by supplying Stable Quality, Reasonable Price, Delivery On Time, Good Payment Conditions.
My Dear Friends, You're welcome to visit us!