Ultrafine Fused Silica Powder -270f

• Customization: Available
• Certification: ISO
• Application: Rubber, Ceramic, Casting
• Model NO.: 325mesh 400mesh 600mesh 800mesh 1250mesh 2000mesh
• 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%
• Thermal Conductivity: 1.3W/M*K
• Dielectric Constant: 3.8(1MHz,20 )
• Electrical Conductivity: 3us/Cm
• 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 Ultrafine Fused Silica Powder -270f, ensuring the best service and quality in the market.

Product Description

Discover Grade A Ultrafine Fused Silica Powder -270f by Lianyungang Chemsize International Trading Co., Ltd. Perfect for various applications requiring high purity and premium quality silica sand.

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 Ultrafine Fused Silica Powder -270f with exceptional thermal conductivity, dielectric constant, and particle size distribution. Ideal for various applications.

		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:

• High purity amorphous powder


• Lowest coefficient of thermal expansion


• High resistance to thermal shock


• Low thermal conductivity


• Excellent electrical insulation and lower radiation

Applications:

• Thermal ceramic industry


• Refractory industry


• Investment casting


• EMC


• Solar crucible


• Quartz marble


• Powder coating


• Epoxy molding compound


• Epoxy potting compound


• Electrical insulation


• Refactories and ceramics


• Filler for liquid type sealants


• Various types of resin fillers


• Resin substrates


• Precision casting


• Coating and painting


• Artificial marble

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 Product Description

Welcome to Lianyungang Chemsize International Trading Co., Ltd.

Discover our top-quality fused silica products, meticulously crafted to meet your refractory needs.

Fused Silica Production Process

Fused silica, derived from high purity quartz sand, is melted to create a glass with exceptional properties. Its high volume stability, low volumetric expansion, and purity make it ideal for various refractory applications.

Raw Material Selection

We source our raw material from Donghai/Xinyi, ensuring a purity level of SiO2>99% for superior quality.

Manufacturing Process

The silica sand undergoes fusion at temperatures of 2000-2300 ºC, transforming into amorphous silicon dioxide glassy ingot. Our products are further processed into fused silica lump, sand, and powder to meet your specific requirements.

Contact us today to explore the endless possibilities with our premium fused silica products!

Detailed Photos

Discover high-quality Ultrafine Fused Silica Powder -270f for clear pictures. Get the best from Lianyungang Chemsize International Trading Co., Ltd.

Packaging & Shipping

Our Ultrafine Fused Silica Powder -270f is packaged in 25kg plastic woven bags and placed on pallets for delivery. Experience high purity and quality with our premium fused silica product.

Explore our Ultrafine Fused Silica Powder -270f for top-quality silica sand products. Trust Lianyungang Chemsize for premium fused quartz and high purity silica.

Fused Silica Making Process

Fused Silica is produced from high purity crystal silica sourced from China Donghai-Xinyi. It is electrically fused at temperatures ranging from 1800-2000ºC to form 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:

1. No unfused parts are allowed.


2. Foreign materials like string, plastic, carbon, wood, metal, or other contaminants are strictly prohibited.


3. Except for conditional black dots, all color dots are forbidden.


4. Black spot diameter should not exceed 2mm.


5. The total quantity of black dots 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 fillers. Our Fused Silica materials are renowned for their exceptional quality and performance.

Key Features:

• Amorphous SiO2 content up to 99.9% min


• Low iron (30ppm max) and low impurities


• Low coefficient of thermal expansion


• High resistance to thermal shock


• Extremely low electrical conductivity

Production Process:

At Chemsize, we utilize a unique electric-arc fusion technique to produce Fused Silica of the purest quality in China. Our products adhere to ISO-certified standards, ensuring consistency and reliability.

Applications:

Our Fused Silica is used in a wide range of applications, including crucibles for solar cell production, rollers in the glass industry, technical ceramics, investment casting, and more.

Specialty Products:

We also offer specialty products tailored to specific applications and homogeneously-blended products upon request.

Package Options:

Standard package: 25kg bag, 48 bags per pallet, or jumbag with a net weight of 1200kgs. Customized bulk bag sizes are available upon request.

Investment Casting Grade:

Our Fused Silica is ideal for investment casting processes, providing volume stability and tight tolerance castings with easy shell removal.

Explore the Versatility of Chemsize Fused Silica Today!

Introducing Chemsize Fused Silica

As a leading supplier in the investment casting industry for 30 years, Chemsize Fused Silica offers a superior alternative to Zircon Flour for primary slurry production. Our Fused Silica flour provides numerous advantages:

• Enhanced particle shape for optimal primary slurry performance


• Reduced material consumption due to lower density compared to Zircon


• Improved permeability and porosity for better shell quality


• Easier knock-out and shell removal process


• Consistent quality sourced from the world's largest Fused Silica production area in China


• Cost-effective pricing at US$0.56/kg FOB LIANYUNGANG PORT

Application Areas:

Our Fused Silica is ideal for use in induction furnace lining ramming material, ensuring efficient and reliable performance in various casting processes.

FAQ:

Q1: Can I request a sample order for Fused Silica products?

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

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

A: Samples can be sent within 3-5 days, while 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, there is no MOQ requirement, but lower quantities may result in higher average costs.

Q4: How are the goods shipped and what is the estimated delivery time?

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

Experience the benefits of Chemsize Fused Silica for your investment casting needs today!