... resistance. 2,good tensility and elasticity. 3,economic. Rubber wheel: Name Rubber wheel MaterialNR,SILICONE,EPDM,SBR,NBR,CR,BR,IIR etc ... available PaymentT/T,L/C Any questions,please feel free to contact me.Certificated Approval:FDA,LFGB,PAHS,PHTHALATES and so ... on.Market:The process of prodcution to shipment: Welcome to your inquiry! Rubber wheel