Question

what is fused quartz

Answer 1

Fused quartz or fused silica is glassconsisting of silica in amorphous (non-crystalline) form. It differs from traditional glasses in containing no other ingredients, which are typically added to glass to lower the melt temperature. 

Answer 2

Fused quartz or fused silica is glass consisting of silica in amorphous form. It differs from traditional glasses in containing no other ingredients, which are typically added to glass to lower the melt temperature.