Fine Fused Quartz Grains for Precision

• Customization: Available
• Certification: ISO
• Application: Rubber, Ceramic, Casting
• Model NO.: 0-1mm,1-3mm,3-5mm,5-8mm, 200mesh,325mesh,400mesh
• 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%
• 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 top-quality Fine Fused Quartz Grains for Precision applications. Experience the best service and quality with us!

Product Description

Grade A Fused Silica sand & powder Specifications:

Company Name: Lianyungang Chemsize International Trading Co., Ltd.

Product Name: Fine Fused Quartz Grains for Precision

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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%

Particle Size Distribution

Discover Fine Fused Quartz Grains for Precision applications from Lianyungang Chemsize International Trading Co., Ltd. Choose from a range of high-quality silica products including ultra-fine quartz flour and premium fused silica grains.

		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 Product Description

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:

• Thermal ceramic industry


• Refractory industry


• Investment casting industry


• EMC industry


• Solar crucible industry


• Quartz marble industry


• Powder coating industry

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.

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

Third Party Test Report

Production Process

Fused Silica Production Process

Fused silica is 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.

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 ingot, which is then processed into fused silica lump, sand, and powder based on customer requirements.

Detailed Photos

Fine Fused Quartz Grains for Precision - High-quality silica powder for clear pictures. Ideal for various applications.

Packaging & Shipping

Fine Fused Quartz Grains for Precision in 25kg plastic woven bags, palletized for delivery. Top-quality silica sand for various applications.

Lianyungang Chemsize International Trading Co., Ltd. presents Fine Fused Quartz Grains for Precision applications. Top-quality silica sand for refined results.

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 form amorphous Silicon dioxide. The material is then specially engineered into lumps, cullet, ingots, sand, grain, granular, and powder flour forms. These are designed for various applications such as PV fused silica crucible, thermal ceramic, refractory, EMC investment casting ceramic shell, etc.

Fused Silica Sand Appearance and Specifications:

• Must not contain any unfused parts.


• Should be free of foreign materials like string, plastic line, carbon, wood, metal, or other contaminants.


• Only conditional black dots are allowed; 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

Chemsize is a leading manufacturer of Fused Silica grains and powders, essential raw materials for industries like Refractory, Investment Casting, Technical Ceramic, and EMC fillers. Our Fused Silica materials are highly praised by our customers for their exceptional quality.

Key Features:

• Amorphous SiO2 content up to 99.9% min


• Low iron content (30ppm max) and minimal impurities


• Very low coefficient of thermal expansion


• High resistance to thermal shock


• Extremely low electrical conductivity

Our unique electric-arc fusion technique ensures that Chemsize Fused Silica is over 99.9% SiO2, with excellent thermal properties and size integrity. Our products are ISO-certified, chemically stable, and have low conductivity.

Applications:

• Crucibles for solar cell production in the photo-voltaic industry


• Rollers, castables, mortars, and forming tools in the glass industry


• Technical ceramics in the thermal resistance industry


• Ceramic slurry in the investment casting industry

Specialty Products:

We offer a range of specialty Fused Silica products tailored for specific applications, including resin fillers, EMC fillers, powder coating, and more.

Investment Casting Grade:

Our Fused Silica is ideal for investment casting processes in various industries like automotive, aerospace, and medical, ensuring precision and quality in the final products.

Standard Packaging: 25kg bags, 48 bags per pallet, or jumbo bags with a net weight of 1200kgs. Customized packaging options available upon request.

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. Our Fused Silica flour offers numerous advantages over traditional Zircon Flour:

• Better particle shape for improved primary slurry quality


• Reduced material consumption due to lower density


• Increased permeability and porosity for better shell formation


• Easier knock-out and shell removal process


• Consistent quality and sustainability


• Cost-effective pricing at US$0.56/kg FOB LIANYUNGANG PORT

Applications:

Our Fused Silica is ideal for use in induction furnace lining ramming material, offering superior performance in various applications.

Summary:

The intermediate frequency furnace ramming material, available in acidic, neutral, and alkaline variants, is suitable for coreless medium frequency furnaces and core induction furnaces.

FAQ:

Q1. Can I request a sample order for fused silica products?

A: Yes, we provide free samples shipped via ***/FEDEX/DHL.

Q2. What is the lead time?

A: Samples can be sent within 3-5 days. Orders under 100mt are typically delivered within 15 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: Goods are shipped promptly, with delivery times varying based on location.