This kind of mold is applicable to common compression press or vacuum platen vulcanization press. It is a technical process in which the rubber compound or preformed rubber are put directly into the mold cavity for mould clamping and heated vulcanization molding before obtaining rubber products. Main mold include: Oil-sealing molds (with insert, without inserts), O-ring mold, mold with special sealing ring, shock absorber, shock pad mold, mold for daily necessities, rubber foot pads mold etc.