EPDM Foam Rubber Seal Ring

Rubber o rings the seal material used on the market is generally modified by EPDM, and the key role in soft EPDM rings is nothing more than the quality of the plasticizer added to it. With the price of various petrochemical products rising, the price of rubber products such as seals is also rising. Some irresponsible manufacturers only look at short-term interests, began from the raw material aspects of unfair competition (the so-called jerky, shoddy, with waste oil, the remaining oil base of the refinery instead of high-quality plasticizers), to the vast number of consumers have brought great hidden dangers. In the process of door production, the proportion of the investment of the seal is very small, but its role can not be ignored, the quality identification method of the windoe rubber seal strip includes the following, the phenomenon of oil seepage on the surface, the waste oil is fundamentally not soluble with PVC, the surface of the seal strip is easy to appear grease, and the s…