... ,good elasticity and tensility 2,UV,Ozone,aging and weather resistance Rubber spacer: Name Rubber spacer MaterialNR,SILICONE,EPDM,SBR,NBR,CR,BR ... the details of drawing or samples Characteristic1.Excellent anti-sealing 2.Superior aging-resistance 3.Good shock-absorption 4.Different colors ... Co.,Ltd. will be your valuable ODM&OEM supplier. Rubber Spacer