Fused Silica Products For Glass Furnace

Fused Silica Products For Glass Furnace

Fused Silica products including silica bowls, stirring paddle, silica sleeves are made of silica powder, the same raw materials with glass,thus avoiding contamination of glass in glass furnace. With good thermal shock resistance, those composites can be replaced directly without preheating, thus improving the productivity. With refined texture, it will be melted into glass phase, so that it won’t result in granular contamination for glass products.
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Raw Materials

We use refined 99.5% quartz sand as the raw materials (SiO2≥90-99.5,Fe2O3≤0.02-0.015%) from selected quality ores. Through multiple processing steps, sometimes with repeated steps to ensure high purity, our fused quartz products feature sophisticated size, low thermal conductivity, low coefficient thermal expansion, high compression resistance, good thermal shock resistance, good electric performance and high resistance to chemical attack.

Applications

Because of their good performance, fused quartz ceramic and refractory products, including quartz crucibles, quartz bowls, quartz sleeves and stirring paddles, among others, can be applied to glass deep processing industry, metallurgy industry, electronics industry, chemical industry, aeronautics industry, etc.

Properties

data

SiO2

≥99

Al2O3 %

≤0.3

Fe2O3 %

≤0.1

Bulk Density kg/dm3

≥1.85

Porosity %

≤18

Max working temperature℃

1200

Thermal Shock Resistance 1100℃ with water

> 30 cycles


quartz bowl-from zibo gotrays refractory

quartz stirring paddle-from zibo gotrays




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