Silica Quartz Sand for Foundry Casting

• 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.: 0-1mm, 1-3mm, 3-5mm, 5-8mm, 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 sand and powder for foundry casting. Experience the best service and quality with us!

Product Description

Discover Grade A Fused Silica sand & powder from Lianyungang Chemsize International Trading Co., Ltd. Ideal for foundry casting, this high purity silica product is perfect for various applications.

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 our Silica Quartz Sand for Foundry Casting, offering high purity and optimal particle size distribution. Ideal for various casting applications.

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

Product Name: Silica Quartz Sand for Foundry Casting

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		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


• Refractory


• Investment casting


• EMC


• Solar crucible


• Quartz marble


• Powder coating

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.

Raw Material

We strictly choose high purity silica sand (SiO2 > 99%) from Donghai/Xinyi as our raw material.

Manufacturing Process

The silica sand is melted at high temperatures (2000-2300 ºC) to form amorphous silicon dioxide glassy ingot, which is then cooled. The products are further processed into fused silica lump, sand, and powder according to customer requirements.

Company Information

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

Detailed Photos

Explore our Fused Silica high clear pictures for top-quality Silica Quartz Sand ideal for Foundry Casting. Trust Lianyungang Chemsize International Trading Co., Ltd. for all your silica needs.

Packaging & Shipping

Fused Silica Package and Delivery: 25kg Net Plastic Woven Bags on Pallets. Supplier: Lianyungang Chemsize International Trading Co., Ltd.

Explore our Fused Silica Factory and Quality Control images showcasing our high-quality Silica Quartz Sand for Foundry Casting. Trust Lianyungang Chemsize International Trading Co., Ltd. for all your silica needs.

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 material is then specially engineered into various forms such as lumps, cullet, ingots, sand, grain, granular, and powder flour. These forms are specifically designed for making 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, no other color dots.


• 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 (30ppm max), and minimal impurities, resulting in low thermal expansion, high thermal shock resistance, and low electrical conductivity. Our unique fusion technique ensures superior quality, meeting ISO-certified 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 designed for foundry and specialized uses.

Key Applications:

• Crucibles for solar cell production


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


• Technical ceramics for thermal resistance


• Ceramic slurry for investment casting

We offer a range of Fused Silica products, including precast shapes, ramming mixes, resin fillers, EMC fillers, powder coatings, and more. Our materials are tailored for specific needs, such as coreless induction furnace applications and hot repair in glass furnaces.

Investment Casting Grade:

Our Fused Silica is ideal for precision investment casting in automotive, aerospace, medical, and other industries, providing volume stability and tight tolerance castings.

Contact us at Lianyungang Chemsize International Trading Co., Ltd. for customized orders and bulk packaging options.

Introducing Chemsize Fused Silica

Chemsize Fused Silica is a leading supplier of raw materials and machinery for investment casting processes, 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 quality


• Easier knock-out and shell removal


• Consistent quality and sustainability


• Competitive pricing at US$0.56/kg FOB LIANYUNGANG PORT

Applications:

Our Fused Silica is ideal for induction furnace lining ramming material, offering high purity and reliable performance in various applications.

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 for samples and bulk orders?

A: Samples are sent within 3-5 days, while bulk orders are delivered 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 delivery time?

A: Goods are shipped promptly, with delivery times varying based on location.

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