1. This product is to be stuck to surface of small-section cavities of the vehicle. 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