Fused Silica Powder with Low Fe2o3 Content

• 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%
• Model NO.: 10-20mesh, 20-50, 30-50, 50-100, 200mesh 325mesh
• Amorphous Sio2: >99%
• Quartz Sio2: <0.1%
• Cristobalite Sio2: <0.1%
• Transport Package: Paper Bag, Plastic Bag, Jumbo Bag, Pallet
• Specification: SiO2>99.9%
• Trademark: Chemsize
• Origin: China Lianyungang
• HS Code: 32074000
• Production Capacity: 10000mt/Year

Product Description

Lianyungang Chemsize International Trading Co., Ltd. offers high-quality Fused Silica Powder with Low Fe2O3 Content. Ideal for various applications such as ceramic welding, investment casting, and refractory materials.

Product Description

High purity fused silica powder with low Fe2O3 content for various applications like ceramic welding, investment casting, and refractory materials.

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/cm^3
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 Fused Silica Powder with Low Fe2O3 Content, ideal for various applications like ceramic welding, investment casting, and refractory materials. High purity and fine particle size ensure top performance.

		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

The particle size can be produced as per customer's special requirement.

Company: Lianyungang Chemsize International Trading Co., Ltd.

Third Party Test Report

Production Process

Fused Silica Production Process

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 fused silica a versatile material for refractory applications, such as aluminum launders.

At Lianyungang Chemsize International Trading Co., Ltd., we carefully select high-purity silica sand (SiO2 > 99%) from 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 based on customer requirements.

Detailed Photos

Fused Silica Powder with Low Fe2O3 Content for high clarity images in various applications. Ideal for ceramic welding, investment casting, refractory materials, and more.

Packaging & Shipping

Fused Silica Powder with Low Fe2O3 Content is available in 25kg plastic woven bags on pallets. Ideal for various applications like ceramic welding, investment casting, and refractory materials.

Explore our Fused Silica Powder with Low Fe2O3 Content for high purity silica needs. Ideal for various applications like ceramic welding, investment casting, and more.

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, 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 when opening the big bag.

For any inquiries, please contact Lianyungang Chemsize International Trading Co., Ltd.

Chemsize Fused Silica Products

Chemsize, a leading manufacturer of Fused Silica grains and powders, offers high-quality materials for various industries. Our Fused Silica has a fusion ratio of up to 99.9% Amorphous SiO2, low iron content (max 30ppm), and minimal impurities, resulting in low thermal expansion, high thermal shock resistance, and low electrical conductivity. Our unique fusion technique ensures purity and quality, meeting ISO standards.

Our Fused Silica is ideal for applications in refractory, investment casting, technical ceramics, EMC fillers, and more. With extremely low thermal expansion, consistent chemistry, and controlled particle size distribution, our products are tailored for foundry and special applications. The material's insulative properties and thermal shock resistance make it suitable for steelmaking and glass industry applications.

We offer a range of products, including crucibles for solar cell production, rollers for the glass industry, and ceramic slurry for investment casting. Our offerings also include precast shapes, ramming mixes, and fused silica-based products for various industrial needs.

For investment casting, our Teco-Sil provides volume stability and allows for tight tolerance castings with easy shell removal. Our standard packaging includes 25kg bags, pallets with 48 bags, or jumbags with a net weight of 1200kgs. Customized bulk bag shipments are available upon request.

Explore our Fused Silica products for superior performance in your industry needs.

Introducing Chemsize Fused Silica

Chemsize Fused Silica is a leading supplier of raw materials and machinery for the investment casting process, with over 30 years of experience.

Advantages of Fused Silica:

1. Improved particle shape for better primary slurry performance.


2. Reduced material consumption due to lower density compared to Zircon.


3. Enhanced permeability and porosity for improved shell quality.


4. Easier knock-out and shell removal process.


5. Consistent quality and sustainability compared to Zircon.


6. 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, providing excellent performance in various furnace applications.

FAQ:

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 can be sent 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, but lower quantities may result in 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.

For more information, contact Lianyungang Chemsize International Trading Co., Ltd.