Quartz collars and discs are made of 99.90% pure quartz fiber with very high strength, low thermal expansion and high elongation at the breaking point. Quartz collars and discs also have excellent resistance at high temperature. They can resist up to 1200℃, with no loss of strength or flexibility.

High energy savings: heat is retained in the diffusion tube, where it belongs.

Reduced contamination: quartz collars and discs provide cleaner support than other forms of soft packing.

Reduced downtime: quartz collars and discs are quickly installed.

Long life: quartz collars and disc provide a guarantee of long term dependability.

Eliminate loose packing: customized dimension and flexibility, insure the tight packing to the tube.