Fused Silica Sand for Refractory Applications

• 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.: 325mesh 400mesh 600mesh 800mesh 1250mesh 2000mesh
• Amorphous Sio2: >99%
• Quartz Sio2: <0.1%
• Cristobalite Sio2: <0.1%
• Thermal Conductivity: 1.3W/M*K
• Dielectric Constant: 3.8(1MHz,20 )
• Electrical Conductivity: 3us/Cm
• 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 Fused Silica Sand for refractory applications. Choose us for premium industrial silica powder and exceptional service!

Product Description

Grade A Fused Silica Sand & Powder Specifications:

Discover our premium Fused Silica Sand for refractory applications, offering high purity and top quality. Perfect for industrial use.

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%

Fused Silica Sand for Refractory Applications with thermal conductivity of 1.3w/m*k(20 ºC), dielectric constant of 3.8(1MHz,20), and electrical conductivity of 3 μs/cm. Particle Size Distribution.

		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:

• High purity amorphous powder


• Lowest coefficient of thermal expansion


• High resistance to thermal shock


• Low thermal conductivity


• Excellent electrical insulation and lower radiation

Applications:

• Thermal ceramic industry


• Refractory industry


• Investment casting


• EMC


• Solar crucible


• Quartz marble


• Powder coating


• Epoxy molding compound


• Epoxy potting compound


• Electrical insulation


• Refractories


• Filler for liquid type sealants


• Various types of resin fillers


• Resin substrates


• Precision casting


• Coating and painting


• Artificial marble

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. 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, 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 temperatures between 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 Sand for Refractory Applications by Lianyungang Chemsize International Trading Co., Ltd. - High Purity Fused Silica for industrial use. Premium quality, custom products available.

Packaging & Shipping

Fused Silica Sand for Refractory Applications in 25kg plastic woven bags on pallets. High purity, top-grade quartz grains for industrial use.

Explore our Fused Silica Sand for Refractory Applications, crafted with precision and quality control at Lianyungang Chemsize International Trading Co., Ltd. Choose top-grade quartz grains for optimal performance.

Fused Silica Product Description

Welcome to Lianyungang Chemsize International Trading Co., Ltd.

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 engineered into various forms such as lumps, cullet, ingots, sand, grain, granular, and powder flour. These forms are ideal 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.

For any inquiries, please feel free to contact us!

Chemsize Fused Silica

Welcome to Chemsize Fused Silica

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% Amorphous SiO2, low iron content, and minimal impurities, providing excellent thermal expansion, thermal shock resistance, and low electrical conductivity.

Features of Chemsize Fused Silica:

• High fusion ratio of up to 99.9% Amorphous SiO2


• Low iron content (30ppm max) and 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 and quality of our Fused Silica, meeting ISO-certified standards. Chemsize Fused Silica is ideal for applications in foundry, refractory, investment casting, and more.

Applications of Chemsize Fused Silica:

• 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 investment casting

Our standard packaging includes 25kg bags, 48 bags per pallet, or jumbo bags with a net weight of 1200kgs. We also offer tailored shipments for bulk orders.

Investment Casting Grade:

Chemsize Fused Silica is perfect for investment casting applications, providing volume stability and tight tolerance castings with easy shell removal. It is widely used in automotive, military, aerospace, medical, and other industries.

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:

1. Better particle shape for primary slurry


2. Decreased material consumption due to lower density


3. Increased permeability and porosity for improved shell quality


4. Easier knock-out and shell removal


5. Consistent quality and sustainability


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 high performance in various applications such as melting cast iron, steel, stainless steel, aluminum alloys, copper, and bronze.

FAQ:

1. Sample orders available with free shipping


2. Lead time: 3-5 days for samples, up to 15 days for orders


3. No minimum order quantity for fused silica sand


4. Shipping via ***/FEDEX/DHL with prompt delivery

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