Premium Fused Silica Lumps for Refractory Use

• Certification: ISO
• Application: Rubber, Ceramic, Casting
• Type: Quartz
• 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%
• Model NO.: 0-1-3-5-8mm 200mesh, 325mesh
• 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

Welcome to Lianyungang Chemsize International Trading Co., Ltd.! We are a leading manufacturer of premium fused silica sand and powder for refractory use. Our products include fused silica lumps, quartz sand, and silica flour. Experience the best service and quality with us!

Product Description

Product Name: Premium Fused Silica Lumps for Refractory Use

Keywords: Premium Fused Silica, Refractory Use, Fused Quartz Cullet, Quartzglas Powder, Fused Silica Flour, Silica Sand Lumps, Fused Silica Grains, Silicon Oxide Powder, Quartz Sand Refractory, Amorphous Silica Casting, Investment Casting Silica, Fused Silica Grit Castables, Quartz Powder Motar, Silica Sand for Refractory, Silicon Oxide Casting Materials, Fused Silica Lumps Refractory Industry, Quarzglas Sand for Castables, Amorphous Silica Motar, Investment Casting Refractory Materials, Fused Silica Grit Powder, Quartz Sand for Investment Casting, Silicon Oxide Refractory Use, Fused Silica Lumps for Castables, Quarzglas Powder for Motar, Amorphous Silica Refractory Materials, Investment Casting Fused Silica, Premium Fused Quartz Sand, Refractory Use Silica Powder, Fused Quartz Casting Materials, Quarzglas Sand for Investment Casting, Silica Sand for Refractory Firebrick, Fused Silica Grains for Castables, Silicon Oxide Powder Motar, Quartz Sand Refractory Industry, Amorphous Silica Casting Materials, Investment Casting Silica Powder, Fused Silica Grit for Refractory, Quarzglas Sand for Motar, Amorphous Silica Refractory Use, Investment Casting Fused Quartz, Premium Fused Silica Sand, Refractory Use Silica Sand

Specifications: Grade A Fused Silica sand & powder

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: Our premium fused silica lumps are ideal for refractory use. They are available in various forms such as fused quartz cullet, quartz sand, and silica sand lumps. With their excellent particle size distribution, they are perfect for applications in the refractory industry.

		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

Special Feature:

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

Applications:

Fused Silica is widely used in various industries including thermal ceramic, refractory, investment casting, EMC, solar crucible, quartz marble, and powder coating.

Available Sizes:

The following sizes of Fused Silica are available:

• 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

The particle size can also be produced according to the customer's special requirements.

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

Third Party Test Report

Production Process

Fused Silica Production Process - Lianyungang Chemsize International Trading Co., Ltd.

Fused Silica Production Process

Fused silica is a high purity quartz sand that has been melted to form glass. Its high volume stability, low volumetric expansion, and high purity make it a very useful and versatile material for refractory applications, such as aluminum launders or other highly cyclical applications.

At Lianyungang Chemsize International Trading Co., Ltd., we strictly choose high purity silica sand (SiO2>99%) from the local Donghai/Xinyi area as our raw material. The silica sand is melted at high temperatures (2000-2300 ºC) to form an amorphous silicon dioxide glassy ingot, which is then cooled. We further process the products into fused silica lumps, sand, and powder according to the specific requirements of our customers.

Detailed Photos

Product Name: Premium Fused Silica Lumps for Refractory Use

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

Description: Our premium fused silica lumps are ideal for refractory use. Made from high-quality quartz sand, they offer excellent heat resistance and durability. Perfect for applications in the refractory industry.

Packaging & Shipping

Product Name: Premium Fused Silica Lumps for Refractory Use

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

Package and Delivery: Fused Silica Plastic Woven Bag of 25kg Net each, Then on Pallet

Description: Our premium fused silica lumps are ideal for refractory applications. Made from high-quality quartz sand, they provide excellent heat resistance and durability. Perfect for use in castables and investment casting materials. Available in a convenient 25kg bag, securely packaged on a pallet for easy delivery.

Product Name: Premium Fused Silica Lumps for Refractory Use

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

Keywords: Premium Fused Silica, Refractory Use, Fused Quartz Cullet, Quartzglass Powder, Fused Silica Flour, Silica Sand Lumps, Fused Silica Grains, Silicon Oxide Powder, Quartz Sand Refractory, Amorphous Silica Casting, Investment Casting Silica, Fused Silica Grit Castables, Quartz Powder Mortar, Silica Sand for Refractory, Silicon Oxide Casting Materials, Fused Silica Lumps Refractory Industry, Quartzglass Sand for Castables, Amorphous Silica Mortar, Investment Casting Refractory Materials, Fused Silica Grit Powder, Quartz Sand for Investment Casting, Silicon Oxide Refractory Use, Fused Silica Lumps for Castables, Quartzglass Powder for Mortar, Amorphous Silica Refractory Materials, Investment Casting Fused Silica, Premium Fused Quartz Sand, Refractory Use Silica Powder, Fused Quartz Casting Materials, Quartzglass Sand for Investment Casting, Silica Sand for Refractory Firebrick, Fused Silica Grains for Castables, Silicon Oxide Powder Mortar, Quartz Sand Refractory Industry, Amorphous Silica Casting Materials, Investment Casting Silica Powder, Fused Silica Grit for Refractory, Quartzglass Sand for Mortar, Amorphous Silica Refractory Use, Investment Casting Fused Quartz, Premium Fused Silica Sand, Refractory Use Silica Sand

Description: Our premium fused silica lumps are ideal for refractory use. Made from high-quality materials, they provide excellent performance and durability. Perfect for various applications in the refractory industry.

Fused Silica Making Process

Fused Silica Making Process

Fused Silica is made of high purity crystal silica from China Donghai-Xinyi by electrically fusing (fusing temperature 1800-2000ºC) to amorphous Silicon dioxide, then is specially engineered into lumps, cullet, ingots, sand, grain, granular, and powder flour form designed for making PV fused silica crucible, thermal ceramic, refractory, EMC investment casting ceramic shell, etc.

Fused Silica Sand Appearance and Specifications:

1. It is forbidden to contain any unfused parts.


2. It is forbidden to have foreign material, such as string, plastic line, carbon or wooden material, metal, or other outside contaminants.


3. All color dots are forbidden except conditional black dots.


4. Black spot diameter larger than 2mm is not acceptable.


5. Total black dots quantity should be less than 10 when opening the big bag, equal to or less than 10 dots per square meter.

FAQ:

Q1. Can I have a sample order for fused silica products?

A: Yes, we'd like to send samples free of charge by ***/FEDEX/DHL. Mixed samples are acceptable.

Q2. What about the lead time?

A: It is 3-5 days for sending samples. It is usually within 15 days to deliver orders for quantities within 100mt.

Q3. Do you have any MOQ limit for fused silica sand order?

A: No. But the less the average cost higher.

Q4. How do you ship the goods and how long does it take to arrive?

A: We usually ship by DHL, UPS, FedEx, or ***. It usually takes 3-5 working days to arrive. It depends on the distance by sea, which can take 7-40 days.

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

A:

1. Let us know your requirements or application.


2. We quote according to your requirements or our suggestions.


3. Customer confirms the samples and pays a deposit for the formal order.


4. We arrange the production.

Q6. Is it OK to print my logo on packages?

A: Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

Q7: How to deal with the faulty?

A: Firstly, our products are produced in a strict quality control system, and the defective rate will be less than 0.2%. Secondly, if it happens, we shall arrange to send new products to you and pay for all your losses.

Any questions, kindly contact us please!

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