High Purity Fused Silica Powder Supplier

• 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. is a leading manufacturer of high purity fused silica sand and powder. We offer top-quality products at competitive prices, ensuring the best service and quality for our customers.

Product Description

High Purity Fused Silica Powder Supplier offering top-quality silica sand and industrial silica powder. Trusted source for premium quartz grains and reliable fused quartz supply.

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 high purity fused silica powder from Lianyungang Chemsize International Trading Co., Ltd. - your top silica powder supplier.

		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 according to customer's special requirements.

Company: 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, 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

Discover top-quality High Purity Fused Silica Powder from Lianyungang Chemsize International Trading Co., Ltd. - your trusted supplier for premium industrial silica products.

Packaging & Shipping

High Purity Fused Silica Powder Supplier offering 25kg plastic woven bags on pallets for convenient delivery.

High Purity Fused Silica Powder Supplier

Explore our factory and quality control process for top-grade fused silica. We offer the best prices and highest quality silica products.

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 then 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 not have any 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 when opening the big bag.

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

Chemsize Fused Silica Products

Welcome to Chemsize Fused Silica Products

Chemsize, a leading manufacturer of Fused Silica, offers high-quality grains and powders for various industries. Our Fused Silica materials have received excellent feedback from customers worldwide.

Key Features:

• Amorphous SiO2 up to 99.9% min


• Low iron content (30ppm max)


• Low impurities


• Low coefficient of thermal expansion


• High resistance to thermal shock


• Extremely low electrical conductivity

Our unique electric-arc fusion technique ensures the purity of our Fused Silica, with over 99.9% SiO2 content. It meets ISO-certified standards, offering excellent chemical stability and low conductivity.

Applications:

• Solar cell crucibles in the photo-voltaic industry


• Rollers, castables, and mortars in the glass industry


• Technical ceramics in the thermal resistance industry


• Ceramic slurry in the investment casting industry

Whether for investment casting, refractory applications, or technical ceramics, Chemsize Fused Silica products are engineered for superior performance and reliability.

Product Range:

We offer a wide range of Fused Silica products, including precast shapes, big blocks, ramming mixes, resin fillers, EMC fillers, and more. Our products are tailored for various industries, such as steelmaking, glass manufacturing, and investment casting.

Contact us today to discover how Chemsize Fused Silica can enhance your applications!

Chemsize Fused Silica

Welcome to Chemsize Fused Silica

Introducing Chemsize Fused Silica, a leading supplier of raw materials and machines for investment casting for over 30 years.

Advantages of Fused Silica:

1. Particle shape: Superior particle shape for primary slurry.


2. Decreased material consumption: Lower density reduces material usage.


3. Increased permeability and porosity: Enhances shell quality.


4. Easier knock-out: Simplifies shell removal process.


5. Faster leaching and shell removal: Facilitates efficient material removal.


6. Consistency and sustainability: Reliable sourcing from China's Lianyungang area.


7. Affordability: Competitive pricing at US$0.56/kg FOB LIANYUNGANG PORT.

Application Areas:

Widely used in coreless medium frequency furnaces and core induction furnaces for various metal melting processes.

FAQ:

Q1. Can I have a sample order for fused silica products?
A: Yes, we provide free samples shipped by ***/FEDEX/DHL.

Q2. What about the lead time?
A: Sample delivery in 3-5 days; orders within 15 days for quantities up to 100mt.

Q3. Do you have any MOQ limit for fused silica sand order?
A: No, but lower quantities may incur higher costs.

Q4. How do you ship the goods and how long does it take to arrive?
A: Shipping methods vary, and delivery times depend on location.

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