GE Fused Quartz, with its high purity and mechanical stability at a very high temperature, makes it the ideal material used in the processing of silicon wafers. We supply our customers with only the highest grade materials, offering contaminant levels less than 25 ppm. Quartz ceramic tubing is available in a number of sizes up to 330.00 mm outside diameter, with excellent diameter and wall thickness tolerances. We offer a full range of standard sizes as well as custom designed components. Design assistance is also available from our engineering staff.