Trusted Fused Silica Supplier Offering Various Mesh Sizes and Microns

• Customization: Available
• Certification: ISO
• Application: Rubber, Ceramic, Casting
• Model NO.: 200 mesh 325mesh D50 3-5,6-9,10-14,15-18 microns
• 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 high-quality Crucible Grade Fused Silica Flour for various industrial applications. Trust us for superior service and top-notch quality!

Product Description

Grade A Fused Silica sand & powder for crucible applications. High purity, industrial-grade silica flour for investment casting and foundry use. Ideal for refractory applications and precision casting.

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-quality Crucible Grade Fused Silica Flour from Lianyungang Chemsize International Trading Co., Ltd. Ideal for various applications in investment casting, foundry, powder coating, and more.

		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 an extremely low coefficient of thermal expansion, consistent chemistry, and carefully controlled particle size distribution.

Applications:

Fused Silica is 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 the customer's special requirement.

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

Third Party Test Report

Production Process

Fused Silica Production Process

Welcome to Lianyungang Chemsize International Trading Co., Ltd.

At Lianyungang Chemsize, we specialize in the production of high-purity fused silica for various refractory applications. Our fused silica is made from locally sourced silica sand with a purity of over 99% (SiO2). Through a meticulous process of melting the silica sand at temperatures between 2000-2300 ºC, we create a durable and versatile material that is ideal for aluminum launders and other high-cyclical applications.

Our fused silica products include lumps, sand, and powder, all tailored to meet the specific requirements of our customers. With high volume stability, low volumetric expansion, and exceptional purity, our fused silica is the perfect choice for your refractory needs.

Detailed Photos

Discover our Crucible Grade Fused Silica Flour, perfect for investment casting and foundry applications. Our high purity silica powder ensures precision casting and is ideal for refractory and powder coating needs.

Packaging & Shipping

Our Crucible Grade Fused Silica Flour comes in 25kg plastic woven bags, palletized for secure delivery. Ideal for various industrial applications.

Explore our gallery showcasing the production process and quality control measures at the Lianyungang Chemsize International Trading Co., Ltd. Fused Silica Factory. Witness the precision and excellence behind our Crucible Grade Fused Silica Flour Supplier.

Fused Silica Product Description

Fused Silica Products

Our Fused Silica products are made from high purity crystal silica through an electric fusion process, resulting in a range of forms such as lumps, cullet, ingots, sand, grain, granular, and powder flour. These products are specially engineered for various applications including PV fused silica crucible, thermal ceramic, refractory, EMC investment casting ceramic shell, and more.

Specifications:

• No unfused parts


• No foreign materials


• Conditional black dots allowed


• Black spot diameter less than 2mm


• Total black dots quantity less than 10 per square meter

FAQ:

Q1. Can I request a sample order?

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

Q2. What is the lead time for samples?

A: Samples are typically sent within 3-5 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: We ship via DHL, UPS, FedEx, or *** with delivery in 3-5 working days. Sea shipments may take 7-40 days depending on distance.

Q5. How to place an order for fused silica powder products?

A:

1. Provide your requirements or application details.


2. We will quote based on your needs.


3. Confirm samples and pay a deposit for the formal order.


4. We will proceed with production.

Q6. Can my logo be printed on the packages?

A: Yes, inform us before production to confirm the design based on our sample.

Q7. How are faulty products handled?

A: Our products have a low defective rate (<0.2%). If any issues arise, we will replace the products and cover your losses.

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