| Certification: | ISO |
|---|---|
| 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 |
| Fe2o3: | <0.003% |
| Al2O3: | <0.03% |
| Samples: |
|---|
| Customization: |
|---|
Suppliers with verified business licenses
Audited Supplier Lianyungang Chemsize International Trading Co., Ltd. offers high-quality Low Iron Fused Silica Sand Flour, ideal for various applications like welding repairs and investment casting.
Discover our Grade A Low Iron Fused Silica Sand Flour, perfect for various applications like thermal shock resistance, welding repairs, and investment casting.
| 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% |
Discover our Low Iron Fused Silica Sand Flour, perfect for various applications like welding repairs, investment casting, and more.
| 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 | |
Pan designates the percentage of fused silica passing the last reported screen for each size.
Fused Silica features an extremely low coefficient of thermal expansion, consistent chemistry, and carefully controlled particle size distribution.
Fused Silica is used in industries such as thermal ceramic, refractory, investment casting, EMC, solar crucible, quartz marble, powder coating, etc.
0-1mm, 1-3mm, 3-5mm, 0.2-0.5mm, 0.1-0.5mm, 0.212-0.425mm, 0.125-0.212mm, -0.044mm, 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 according to the customer's special requirements.
Company Name: Lianyungang Chemsize International Trading Co., Ltd.
Discover our premium fused silica products, meticulously crafted to meet your refractory needs.
Fused silica, derived from high purity quartz sand, is meticulously melted to form glass. Its exceptional high volume stability, low volumetric expansion, and unmatched purity make it a versatile material for various refractory applications.
We source our high purity silica sand (SiO2 > 99%) locally from Donghai/Xinyi. The sand is fused at high temperatures (2000-2300 ºC) to create amorphous silicon dioxide glassy ingots, which are further processed into fused silica lumps, sand, and powder to meet your specific requirements.
Contact us today to explore the endless possibilities with our top-quality fused silica products!
Discover our Low Iron Fused Silica Sand Flour, perfect for high clarity pictures and various industrial applications. Achieve exceptional quality with our high purity silica product.
Fused Silica Package and Delivery: 25kg Net Plastic Woven Bags on Pallets. Supplier: Lianyungang Chemsize International Trading Co., Ltd.
Explore our gallery showcasing the production process and quality control of Low Iron Fused Silica Sand Flour at Lianyungang Chemsize International Trading Co., Ltd.
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.
For any inquiries, please contact Lianyungang Chemsize International Trading Co., Ltd.
Chemsize, a leading manufacturer of Fused Silica, offers high-quality materials for various industries. Our Fused Silica has a fusion ratio of up to 99.9% SiO2, low iron content, and minimal impurities, providing excellent thermal expansion, thermal shock resistance, and low electrical conductivity.
Chemsize uses a proprietary electric-arc fusion technique to create Fused Silica of the purest quality in China. Our products meet ISO-certified standards and are engineered for specific applications, ensuring consistent chemistry and particle size distribution.
Our Fused Silica is used in various industries, including foundry, refractory, investment casting, and more. It is ideal for applications requiring insulative properties, thermal shock resistance, and tight tolerance castings.
We offer a wide range of Fused Silica products, including crucibles, rollers, castables, mortars, and more. Our materials are tailored for specific uses like resin fillers, EMC fillers, powder coating, and ceramic welding.
Our Investment Casting grade Fused Silica is perfect for precision casting in automotive, aerospace, medical, and other industries, ensuring high-quality products with tight tolerances.
Our standard package includes 25kg bags, 48 bags per pallet, or jumbo bags with a net weight of 1200kgs. We also offer customized shipments for bulk bags of varying sizes.
Chemsize Fused Silica is a leading supplier of raw materials and machinery for investment casting foundries. With over 30 years of experience, we offer Fused Silica flour as an alternative to Zircon Flour for primary slurry production. Here are the key advantages:
The intermediate frequency furnace ramming material, including acidic, neutral, and alkaline variants, is ideal for various furnace applications.
Application Areas: Widely used in coreless medium frequency and core induction furnaces for melting various metals and alloys.
Q1. Can I request a sample order for fused silica products?
A: Yes, we offer free samples shipped via ***/FEDEX/DHL.
Q2. What is the lead time for samples and bulk orders?
A: Samples are dispatched within 3-5 days, while bulk orders typically ship within 15 days for quantities up to 100mt.
Q3. Is there a minimum order quantity for fused silica sand?
A: No minimum order quantity, but lower quantities may incur higher average costs.
Q4. How are the goods shipped and what is the estimated delivery time?
A: Goods are shipped promptly, with delivery times varying based on location.
Suppliers with verified business licenses
Audited Supplier 
){kind=link}
){kind=link}