... SR,NBR,EPDM,NR,SBR3.color:available in any color,according to customer's requirement4.working pressure:<= -35--200 centigrade5. ... ,UV,FR,water/oil/abrasion resistance etc.sizeAs your drawing or sampleUsageAuto,equipment,machine,industry,ship,computer etc.SampleFreeProductionDepend ... quality rubber material for production3.SGS,ISO certificate,make the test at a regular time4.Over 138 sets domestic ...