Extrusion die of rubber extruder is a kind of compression die, but its discharge mode is realized by extrusion. It is widely used in special-shaped structures of aluminum profiles and plastic parts. At the front end of the extruder, it is used to manufacture pipes or profiles.

According to different molding materials, molds can be divided into metal molds and non-metal molds. Metal molds can also be divided into: casting molds, forging molds, etc. Non-metal molds can also be divided into: plastic molds and inorganic non-metal molds.

According to the different materials of the mold itself, the mold can be divided into sand mold, metal mold, vacuum mold, paraffin mold and so on. Among them, with the development of polymer plastics, plastic molds are closely related to people's lives. Plastic molds can generally be divided into: injection molds, extrusion molds, gas-assisted molding molds, etc.

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