Phenolic foam unit specification Density kg/m3 40 Conductivity w/mk 0.025 Durability of heat , , c 150 Durability of cold , , c 250 Adhesive strength kn 135 Compressive strength mpa 0.2 Absorption rate (v/v)% 1.9 Length:1m, od and thickness of the insulation pipe up to you.