Outside diameter: 21mm (.83 in)
Inside diameter: 17mm (.67in) 2mm wall
Length: (SEE OPTIONS)
Clear quartz tubing is a great means for mounting coiled heating elements in a kiln or oven for applications up to 2000°F. The heating element is put inside the quartz tube and thus provides the electrical insulation and protection for both the element and your work.
Shipping Note: Tubes are specially packaged in a separate box for shipping.