... reducing, inert and high vacuum condition under high temp. up to 1800C,2, Extreme wear and abrasion resistance,3, Chemical ... High dielectric properties,5, Gas tight for many applications to provide protective atmospheres or high vacuum at high temperature ... custom size available.Specifications:Range of Outside diameter, 3mm to 100mm,Range of Length, 10mm to 1300mm.Package: Polyfoam filled, Wooden box ...