... O-Ring, Oil Seal, Gasket, U-Ring, Quad-Ring, Glyd-Ring, Step Seal, Mechanical Seal, Extrusion Seals, Rotating Seals and wearable A..The domestic electric appliances profession uses seal ... , microwave ovens thermostable rubberB..Electronic profession seal or rubber components, like in handset ... option, including Buna-N (NBR), HNBR, VITON, Silicone, FluoroSilicone, EPDM, Teflon, Natural Rubber, BUTYL, ...