1. Composed of microcellular foam and adhesive layer.This product is used between the inner and outer plates of the rear wheel housing.It expands through heating by electrophoresis and has the functions of sealing, sound insulation,vibration damping,noise reduction and damping. 2. It is characterized by fast development,strong adaptability and easy adjustment. 3. It can be stuck to slightly oiled steel plate without any pretreatment. 4. The materials are chemically stable and do not pollute the electrophoresis buffer 5. Don???t contain any organic solvent or any heavy metal with restricted use; has passed ELV,TVOC and VOC tests. 6. Shelf life: 90 days