... air exhaust port, to ensure that no residual gas formation, thereby ensuring the rubber dam plane contour ... ) adhesive strip200*8 Using the sponge rubber, foaming gas, 8 mm thickness Pad,PlateQB-2Plate adopted mould manufacturing ... valve, ring flange, cut-off valve, electric intake butterfly valve, electric outtake butterfly valve, wire 10 meters, desiccant termination canister included, Base (with ...