... price ration/ quick delivery/best service 1.Material:Silicone and Rubber (NR,NBR,CR,IIR,SBR,FKM and more)as your ... application.2.Hardness:30-90 shore A .Tolerance can be± 5 shore A.for some special products ,we can reach ±3Shore ... :all manufacturing processes confirm to SGS/FDA/ISO9001:2000 standards.5.Application:automotive,machinery,bathroom facilities,medical,household electrical appliance ,sport ...