... ,Ozone,UV,aging and wheather resistance. 3,Economic. Rubber tube: Name rubber tube MaterialNR,SILICONE,EPDM,SBR,NBR,CR,BR,IIR etc ... ,L/C Any questions,please feel free to contact me.Certificated Approval:FDA,LFGB,PAHS,PHTHALATES and so on.Market:The ... prodcution to shipment: Welcome to your inquiry any time! Rubber tube