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

Specification: Material: Foam Size: 100cm x 100cm Thickness: 2cm / 3cm / 5cm optional Color: Black Sound absorption coefficient: 32.8dB Environmental level: International E1 level Temperature: -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