High Fusion Ratio Fused Silica for Investment Casting Refractory Ramming

• Customization: Available
• Certification: ISO
• Application: Rubber, Ceramic, Casting
• Model NO.: 10-20mesh, 20-50, 30-50, 50-100, 200mesh 325mesh
• 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 fusion ratio fused silica for investment casting refractory ramming. Top-quality service and products guaranteed!

Product Description

High Fusion Ratio Fused Silica for Investment Casting Refractory Ramming. Ideal for induction furnace lining and ceramic welding. Low iron content with high purity.

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

Explore High Fusion Ratio Fused Silica for Investment Casting Refractory Ramming from Lianyungang Chemsize International Trading Co., Ltd. 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

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

Fused Silica Production Process

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

We source our raw material, high purity silica sand (SiO2 > 99%), locally from Donghai/Xinyi. The silica sand is melted at high temperatures (2000-2300 ºC) to form amorphous silicon dioxide glassy ingots, which are then processed into fused silica lumps, sand, and powder according to customer specifications.

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

Detailed Photos

Discover our High Fusion Ratio Fused Silica for Investment Casting Refractory Ramming. Ideal for various applications, ensuring high purity and minimal iron content.

Packaging & Shipping

High Fusion Ratio Fused Silica in 25kg plastic woven bags on pallets. Ideal for investment casting refractory ramming applications.

Explore our High Fusion Ratio Fused Silica for Investment Casting Refractory Ramming. Ideal for induction furnace lining and investment casting applications.

Fused Silica Product Description

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 create amorphous Silicon dioxide. The material is then specially processed into lumps, cullet, ingots, sand, grain, granular, and powder flour forms. These are tailored 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 be free of foreign materials such as strings, plastic lines, carbon, wood, metal, or other contaminants.


• Any color dots are prohibited except for conditional black dots.


• Black spot diameter should not exceed 2mm.


• 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. Our Fused Silica materials have received excellent feedback from our customers.

Key Features:

• Amorphous SiO2 up to 99.9% min


• Low iron (30ppm max) and low impurities


• Low coefficient of thermal expansion


• High resistance to thermal shock


• Very low electrical conductivity

Our unique electric-arc fusion technique ensures the purity of our Fused Silica, with over 99.9% SiO2 content. It is amorphous, with excellent chemical stability and extremely low conductivity.

Applications:

• Foundry and refractory applications


• Investment casting


• Technical ceramic production


• EMC and powder coating fillers

Our standard packaging includes 25kg bags, 48 bags per pallet, or jumbags with a net weight of 1200kgs. We also offer tailored shipments for bulk orders.

Investment Casting Grade:

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

Explore the versatility of Chemsize Fused Silica for your industry needs!

Introducing Chemsize Fused Silica

Chemsize Fused Silica is a leading supplier of raw materials and machinery for investment casting processes, with over 30 years of experience.

Advantages of Fused Silica:

1. Particle shape: Superior particle shape for optimal primary slurry performance.


2. Decreased material consumption: Fused Silica's lower density reduces material usage.


3. Increased permeability and porosity: Enhances shell quality and performance.


4. Easier knock-out: Facilitates easier removal of shells post-casting.


5. Faster leaching and shell removal: Streamlines the leaching process for efficient shell removal.


6. Consistency and sustainability: Consistently sourced from the world's largest Fused Silica production area in China.


7. Cost-effective: Competitive pricing at US$0.56/kg FOB LIANYUNGANG PORT.

Application Areas:

Our Fused Silica products are ideal for use in coreless medium frequency furnaces and core induction furnaces for melting various metals and alloys.

FAQ:

Q1. Can I have a sample order for fused silica products?
A: Yes, we provide free samples shipped via ***/FEDEX/DHL.
Q2. What about the lead time?
A: Samples can be sent within 3-5 days, while orders under 100mt are delivered within 15 days.
Q3. Do you have any MOQ limit for fused silica sand order?
A: No, but lower quantities may incur higher costs.
Q4. How do you ship the goods and how long does it take to arrive?
A: Shipping methods vary, with delivery times depending on the destination.

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