The automobile mainly is by has the good elasticity and the anti-compression deformation, bear aged, the ozone, the chemical action, the wide application temperature scope (- 40`C~+120`C) three Yuan second grade third rubber (EPDM) rubber with the packing to become spongy with bonds densely becomes, contains the unique metal jig and the tongue shape buckle, firm durable, favors the installment.Already for a long time formed a complete set with each big automobile manufacturer.
　　Product specification:Suggested is suitable the temperature range:
　　PVC material quality -20 °F - 150 °F (- 29`C - 65.5`C) 
　　EPDM material quality -40 °F - 248 °F (- 40`C - 120`C)
Internal metal jig material:Aluminum or steel
　　Manufacture standard:
 　　1, TB 1964-87 "Passenger train Windows and doors Use Packing Inspection procedure" 2, HG/T 3088-1987 "Vehicles Windows and doors Rubber Packing"