... seal, O-ring or gasketCalcium free, excellent bonding and flow, low compression set *********** DHP-251HEOil seal, complicated ... DHP-331COil seal, complicated figure molding productExcellent flow, mold release and hot part tear resistance********* DHP-351GOil seal, ... 40NCBonding seals,O-ring or gasketCalcium free,excellent bonding and flow,low compression set***** ** DHP-451XOil seal, complicated ...