Chinese Wholesale Fused Quartz Block For Investment Casting - A grade Fused Silica Block First Grade Transparent Lump with High Purity Sio2 99.9%,Characterized by Excellent thermal Shock Resistance in Fused silica Ceramic Products. (0-50Mesh,5-3Mesh,3-1Mesh) – Sainuo

I.Characteristics

1. Near zero thermal expansion, extremely low thermal conductivity.
2. Excellent thermal stability.
3. High purity (the SiO2 content is above 99.8%).
4. Chemical properties are stable.
5. General mechanical production, particle size for angle type.

II. Main Areas of Application

The Fused silica Blcok are Mainly used in electronic sealing,paint,coating,Silican rubber,investment casting and high-grade electrical insulation and so on. High grade quartz nozzle,Filling materials including epoxy resin casting, electronic sealing,paint, coating,etc.

III. Basic Parameters

Bulk Density :2.2 g/m3
Hardness :7
Softening Point :1700°C
Melting Point :1750°C
Coefficient of Thermal Expansion :0.1
PH value :6

IV. Chemical Composition

V. Availability Specifications

1. General Block size: 0-60 mm,5-3mm,3-1mm,1-0mm
2. Granular(General size of Fused silica sand)

We are a quartz company, one of the leading quartz material manufacturing, grinding, crushing and exporting company in Xuzhou, China.
We have over 10 years of experience in precision casting and refractory production.
We can also provide modified specifications according to customer’s requirements and can produce customized sizes and specifications according to customer’s granularity requirements.

◆Products feature

1. With lower dielectric constant; higher purity, better electrical insulation performance, high whiteness; very low coefficient of thermal expansion.
2. More stable chemical properties, excellent acid and alkali resistance, corrosion resistance and weather resistance.