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Fused Quartz / Fused Silica Glasses

Fused quartz is a result of melting crystalline silica in the form of stone, sand or rock. It is sometimes used in the same applications as fused silica. The main differences are that fused quartz has a much lower OH content and fused silica transmits better in the UV (Ultraviolet). Both are highly pure, have excellent chemical resistance properties, have good thermal shock resistance and low thermal expansion coefficient (0.55x10-6°C). Hence, they are highly suitable for extremely high temperature applications, with a continuous working temperature of 1150° C and an upper limit of 1300° C.

However, fused quartz / silica is not suitable for high pressure applications due to the impossibility of toughening fused quartz / silica because of its low co-efficient of expansion.

Use the contact form to write to us for more information regarding price or availability. We can ship to almost anywhere across the world.

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