Silica Powder for Investment Casting

• 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.: 10-20mesh, 20-50, 30-50, 50-100, 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 and supplier of high-quality fused silica sand and powder. Our products, including silica powder for investment casting, are known for their durability and versatility. Trust us for all your refractory material needs. Contact us today!

Product Description

Grade A Fused Silica Sand & Powder Specifications

Our company, Lianyungang Chemsize International Trading Co., Ltd., offers high-quality silica powder for investment casting. We provide premium fused silica grains, fine fused silica flour, ultrafine fused silica powder, pure fused silica sand, and durable fused quartz. As a reliable supplier, we offer top-grade quarzglas, versatile refractory material, high-purity quartz powder, sieved quartz sand, and high-performance quartz. Our advanced amorphous silicon oxide ensures quality castables and long-lasting motar. Choose our industry-leading investment casting material, top-notch fused silica grit, and best silica powder for casting applications. We are your dependable fused silica supplier, providing sustainable solutions. Trust us as the leading manufacturer of fused silica grains, efficient fused silica flour supplier, and trusted provider of fused silica powder. We specialize in fused quartz and offer high-quality fused silica cullet. Count on us as your reliable quarzglas provider and top-grade supplier of fused silica lumps. We are your premium provider of refractory material, quality quartz powder, sieved quartz sand, and top-notch quartz. Our advanced amorphous silicon oxide ensures dependable castables and long-lasting motar. Choose us as your top-notch supplier of fused silica grit.

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 high-quality Silica Powder for Investment Casting. Our premium fused silica grains, fine fused silica flour, and ultrafine fused silica powder are perfect for casting applications. Trust our reliable fused silica supplier for sustainable and innovative solutions.

		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 Name: Lianyungang Chemsize International Trading Co., Ltd.

Special Feature:

Fused Silica is a high-quality material with an extremely low coefficient of thermal expansion. It offers 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:

• 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 be produced according to the customer's special requirements.

Third Party Test Report

Production Process

Fused Silica 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 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 our customers' requirements.

Detailed Photos

Silica Powder for Investment Casting - Our high-quality Silica Powder is perfect for investment casting applications. Made from premium fused silica grains, this fine fused silica flour offers exceptional durability and purity. As a reliable supplier, we provide top-grade quarzglas, fused silica lumps, and versatile refractory materials. Trust us for industry-leading investment casting materials and sustainable silica powder solutions.

Packaging & Shipping

Product Name: Silica Powder for Investment Casting

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

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

Fused Silica Factory and Quality Control Pictures

Explore our state-of-the-art fused silica factory and witness our stringent quality control measures. We are Lianyungang Chemsize International Trading Co., Ltd., a leading manufacturer and supplier of high-quality silica powder for investment casting. Our products include premium fused silica grains, fine fused silica flour, ultrafine fused silica powder, and more. Trust us for top-grade quarzglas and durable fused quartz materials. Experience our reliable and sustainable silica powder solutions today!

Fused Silica Making Process

Fused Silica Making Process

Fused Silica is made from high purity crystal silica sourced from China Donghai-Xinyi. It undergoes an electric fusion process at temperatures ranging from 1800-2000ºC to transform it into amorphous Silicon dioxide. The resulting material is then specially engineered into various forms such as lumps, cullet, ingots, sand, grain, granular, and powder flour. These forms are designed for making PV fused silica crucibles, thermal ceramics, refractories, EMC investment casting ceramic shells, and more.

Fused Silica Sand Appearance and Specifications:

1. It must not contain any unfused parts.


2. No foreign materials such as string, plastic line, carbon or wooden material, metal, or other contaminants are allowed.


3. Conditional black dots are acceptable, but all other color dots are forbidden.


4. The diameter of black spots should not exceed 2mm.


5. The total quantity of black dots should be less than 10 when opening the big bag, with a maximum of 10 dots per square meter.

FAQ:

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

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

Q2. What is the lead time?

A: It takes 3-5 days to send samples. For orders with a quantity within 100mt, the usual delivery time is within 15 days.

Q3. Is there a minimum order quantity for fused silica sand?

A: No, there is no minimum order quantity. However, please note that the average cost will be higher for smaller orders.

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

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

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

1. Let us know your requirements or application.


2. We will provide a quote based on your requirements or our suggestions.


3. Once the samples are confirmed, the customer pays a deposit for the formal order.


4. We arrange the production.

Q6. Is it possible to print my logo on the packages?

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

Q7: How do you deal with faulty products?

A: Firstly, our products are produced in a strict quality control system, and the defective rate is less than 0.2%. However, if any issues arise, we will arrange to send new products to you and cover all your losses.

For any further questions, please feel free to contact us!

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