Hign-concerned Chemical: None Material: Aluminum Foil Type: Insulation Pad Placement: HOOD,Car door,Tail Cover,Trunk,Chassis,Fender,Indoor Wall,Roof Origin: Mainland China CN: Zhejiang Material: nbr Size: 500mmx2000mmx5mm,500mmx2000mmx10mm High temperature resistance: 150℃ Sound insulation