Crossword clues for Insulation material 5 letters:MYLARInsulation materialASBESTOSInsulation material on Time's list of the 50 worst inventionsEBONITEElectrical insulation materialMYELINElectrically insulating material around nerve fibersASBESTOSHazardous insulation materialASBESTOSInsulation materialFOAMInsulation materialAEROGELSkylight insulation material, perhapsMICAInsulation materialOPALInsulation materialOKONITEInsulating material.FELTInsulative materialTARPAPERInsulating material.FRICTIONTAPEInsulating adhesive materialSILICONEInsulation and sealing materialSTYRENEMaterial used in making insulationAEROGELUltralight material that's an extremely effective insulator