... 20001,95-99.7% Alumina purity, 5,Available for gas utensils, gas portable stoves.6.High quality and ... temperature,4,High dielectric properties,5,Gas tight for many applications to provide protective atmospheres or high ... some are used infurnaces. We could design both open for two ends, and one open, the other closed.Also ... tube. The size ranges from 3mm to 100mm for O.D., and the length is from 10mm ...