664 hot melt polyisobutylne  1, Description  The product is a solvent free, permanently plastic and load-depending, deformable, one-component adhesive/sealant based on polyisobutylene. Good adhesion to glass, aluminum, steel etc.   2, Application area  Used in automotive inner panel, automotive window, speaker, container construction etc.   3, Notice Keep the applying area clean and dry, use the special hot-melt extrusion pump. Extrusion temperature at 1200C-1400C,environmental temperature >80C.   4, Storage  Store under temperature -1000Cto3000C and shelf life is 24months.   5, Package: 25KG/drum or 18KG/drum or in block.