... export trading experience 1.Specification of threaded rubber expansion joints 1). the rubber bellows could primarily reduce the ... rubber body..2. Materials of threaded rubber expansion joints No.NameMaterials1Inner rubber liningIIR,CR,EPDM,NR,NBR2Outer ... #,stainless stee3. Displacement diagrams of threaded rubber expansion joints Sales managerTEL:020-84298801Fax: 020-34139056Mobile:+86 13826087917Web: ...