??Seals properly installed and routine maintenance

??Rubber seal (including rubber - plastic seal) molding method, generally can be divided into the following three ways:

??1. Most of molded rubber seals are molding methods such applications, such as various extrusion seals, rotary shaft lip seals, reciprocating lip seals, sealing compound, film sealing, bellows-type seals.

??2. molding such as a rectangular seal, piston seal, coaxial seal (or a combination of slip ring seals) and the like.

??3. The plate or strip type material such as rubber, fiber reinforced rubber, bonding asbestos fibers, aramid fibers, plate or strip type material for gasket or packing mostly, rubber as a substitute for asbestos and adhesive agent, wherein the aromatic polyamide fibers and molding the rubber ring is sometimes used for aerospace equipment reciprocating seal.