... rubber part material:SBR ,EPDM.CR,NR,NBR,silicone, Type:non-standard rubber products Usage: oil and fire resistance car rubber partusing ... technology for a class of widely used rubber products. Because the rubber has a valuable flexible polymer materials, a wide temperature range ... rubber O-ring, V-ring, X-ring, Y-ring, and a variety of forms, size, color, hardness and rubber materials NBR rubber part ...