100x100cm Car SoundProof Closed Cell Foam Self Adhesive Acoustic Foam Thermal Insulation Waterproof

Specification Material FoamSize 100cm x 100cmThickness 2cm 3cm 5cm optionalColor BlackSound absorption coefficient 32 8dBEnvironmental level International E1 levelTemperature 30 ℃ 130 ℃Features 1 Waterproof thermal closed cell foam 2 Sound insulation waterproof and flame retardant 3 Easy to dry line anything that need to retain heat or sound or keep the sound or vibration out 4 Double layer compound sound insulation cotton low density layer has sound insulation function high density layer has sound absorption effect 5 The springback rate is 92 high density and high resilience After several fold exercises it does not deform 6 Strong stickiness not easy to fall off 7 Easy to cut and work with 8 Give you a quiet driving space greatly improved driving comfort Packaged Included 1 x Soundproof insulation foam