EPDM Auto Rubber Part Dust Cover Rubber Seal 1. Material: PU, Epdm 2. Color: ... working procedures. Application of Seal in Various Industries General mechanical cylinder appropriative seal:USH, UPH, USI, UPI, ODI, IDI, OSI, ISI ... , ROI, SPNRI, WR, BRT, RYT, DB, TAY, VB, TC Pneumatic Cylinder appropriative seal:PGY, PNY, GLY, PSD, PDU, PPY, PRY Automotive ...