Precision Casting Fused Silica Flour

• Customization: Available
• Certification: ISO
• Application: Rubber, Ceramic, Casting
• Model NO.: 10-20mesh, 20-50, 30-50, 50-100, 200mesh 325mesh
• 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%
• 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

We are Lianyungang Chemsize International Trading Co., Ltd., a leading manufacturer of precision casting fused silica products. Our high-quality silica flour and powder are perfect for precision casting applications. Trust us for reliable and innovative silica materials.

Product Description

Product Name: Precision Casting Fused Silica Flour

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

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Attributes: None

Description: Our Grade A Fused Silica sand and powder are perfect for precision casting applications. As a trusted supplier, we offer high-quality, reliable products that meet the needs of various industries. Choose our versatile and innovative fused silica materials for your casting projects.

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 Precision Casting Fused Silica Flour, a high-quality and reliable product for precision casting applications. Our silica flour is finely ground and offers excellent performance in investment casting and refractory applications. Choose our versatile and innovative fused silica powder for all your industrial needs.

		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

Company: Lianyungang Chemsize International Trading Co., Ltd.

Special Feature

Fused Silica is known for its extremely low coefficient of thermal expansion, consistent chemistry, and 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

Fused Silica is available in the following 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 also be produced according to customer's special requirements.

Third Party Test Report

Production Process

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 exceptional purity make fused silica an incredibly useful and versatile material for refractory applications, including aluminum launders and other highly cyclical applications.

At Lianyungang Chemsize International Trading Co., Ltd., we take pride in using only the highest quality raw materials. Our fused silica is made from locally sourced silica sand with a purity level of over 99% (SiO2>99%). Through a meticulous process, the silica sand is melted at temperatures ranging from 2000-2300 ºC, resulting in an amorphous silicon dioxide glassy ingot. After cooling, we further refine the product into fused silica lumps, sand, and powder to meet the specific requirements of our customers.

Detailed Photos

Fused Silica High Clear Pictures

Discover our precision casting fused silica flour, perfect for high-quality casting applications. Our reliable and innovative fused silica powder is ideal for industrial use. Trust Lianyungang Chemsize International Trading Co., Ltd., your trusted supplier of premium silica materials.

Packaging & Shipping

Fused Silica Package and Delivery:

Fused Silica is packaged in a 25kg net plastic woven bag and then placed on a pallet for secure delivery.

Fused Silica Factory and Quality Control Pictures

Check out the factory and quality control pictures of our precision casting fused silica flour. We are Lianyungang Chemsize International Trading Co., Ltd., a trusted supplier of high-quality fused silica powder for industrial applications. Explore our innovative and customizable casting silica materials. Choose us for reliable and premium fused silica products.

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. It is not acceptable that black spot diameter is larger than 2mm.


5. Total black dots quantity should be less than 10 when opening the big bag, equal 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.