IT 
Closed cell Polyethylene (PE) is most used for thermo-acoustic insulation and can withstand temperatures of up to 100°.
Standard PE can be obtained through Physical (P) or Chemical (C) cross-linking as well as unlinked. Specialist PE can be fire retardant (FR) or self-extinguishing (SE) and both MVSS302 and VW TL1010 compliant.
All PE available in sheet, block, roll or cut to shape, with or without adhesive, in all thicknesses from 1.5mm to 110mm in black, grey, white and other colours.