High Purity Fused Silica for Investment Casting Ramming

• 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

Discover top-quality High Purity Fused Silica for Investment Casting Ramming from Lianyungang Chemsize. Ideal for various applications including induction furnace lining and powder coating.

Product Description

Discover our Grade A Fused Silica sand & powder for Investment Casting Ramming. High purity, low iron levels, and exceptional thermal shock resistance.

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 High Purity Fused Silica for Investment Casting Ramming. Ideal for various applications like induction furnace lining and powder coating.

		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 Feature:

Fused Silica features extremely low coefficient of thermal expansion, consistent chemistry, and 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, etc...

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

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

Third Party Test Report

Production Process

Product Description: Fused Silica

Fused silica is a high-purity quartz sand that has been melted to form glass. Its high volume stability, low volumetric expansion, and exceptional purity make it an incredibly versatile material for refractory applications, such as in aluminum launders.

At Lianyungang Chemsize International Trading Co., Ltd., we meticulously select high-purity silica sand (SiO2 > 99%) from Donghai/Xinyi as our raw material. This silica sand is melted at temperatures ranging from 2000-2300 ºC to create an amorphous silicon dioxide glassy ingot, which is then cooled and processed into fused silica lump, sand, and powder based on our customers' specific requirements.

Detailed Photos

Discover our High Purity Fused Silica for Investment Casting Ramming, ideal for various applications like induction furnace lining and powder coating. Benefit from its low iron content and exceptional thermal properties.

Packaging & Shipping

High Purity Fused Silica for Investment Casting Ramming in 25kg plastic woven bags on pallets. Ideal for various applications like induction furnace lining and powder coating.

Explore our High Purity Fused Silica for Investment Casting Ramming, ideal for various applications like induction furnace lining and powder coating. Get top-quality silica products from us!

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 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

Welcome to Chemsize Fused Silica

Chemsize, a leading manufacturer of Fused Silica, offers high-quality grains and powders for various industries such as Refractory, Investment Casting, Technical Ceramic, and EMC filler. Our Fused Silica materials are known for their exceptional quality and performance.

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

Production Process:

At Chemsize, we use a unique electric-arc fusion technique to produce Fused Silica of the purest quality in China. Our products meet ISO-certified standards and are carefully engineered for specific applications.

Applications:

Our Fused Silica is used in a wide range of industries including foundry, refractory, investment casting, and more. It is ideal for applications requiring low thermal expansion, thermal shock resistance, and excellent chemical stability.

Product Range:

We offer a variety of Fused Silica products including crucibles, rollers, castables, mortars, and more. Our products are tailored to meet the diverse needs of our customers in different industries.

Packaging Options:

Our standard package includes 25kg bags, 48 bags per pallet, or jumbags with a net weight of 1200kgs. We also provide customized packaging options for bulk orders.

Investment Casting Grade:

Our Fused Silica is specifically designed for investment casting applications, providing volume stability and tight tolerance castings. It is widely used in automotive, aerospace, medical, and other industries.

Contact us at Lianyungang Chemsize International Trading Co., Ltd. for more information about our Fused Silica products.

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:

• 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

Application Areas:

Our Fused Silica is ideal for use in induction furnace lining ramming material, intermediate frequency furnace lining material, and dry vibration material. It is suitable for melting various metals including cast iron, steel, stainless steel, aluminum, copper, and bronze alloys.

FAQ:

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

A: Yes, we offer free samples shipped via ***/FEDEX/DHL. Mixed samples are acceptable.

Q2: What is the lead time for samples and bulk orders?

A: Samples can be sent within 3-5 days. 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 incur higher average costs.

Q4: How are 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.