Mechanical Seal Rubber dust seal 1. Material: PU, Epdm 2. Color: ... optimizing working procedures. Application of Seal in Various Industries General mechanical cylinder appropriative seal:USH, UPH, USI, UPI, ODI, IDI, OSI ... pressure appropriative seal:TCN,TCV Metallurgy appropriative seal: SB, MOY, MG, MG7, TC, TB, SC, SC5, Y, VR, TCN, ZF, OKC3 ...