EPDM extruders are specialized machines used to process ethylene propylene diene monomer (EPDM) rubber into continuous profiles with consistent shape and quality. These machines are widely applied in industries such as automotive, construction, and sealing systems, where EPDM is valued for its weather resistance and flexibility. Several common types of EPDM extruders are used in manufacturing, each designed to meet different production requirements.

Single-screw EPDM extruders are the most commonly used type. They feature a single rotating screw that conveys, compresses, and plasticizes the rubber compound before it is forced through a die. Single-screw extruders are suitable for stable formulations and continuous production, offering reliable performance and relatively simple operation. They are often used for producing seals, hoses, and standard rubber profiles.

Twin-screw EPDM extruders are another important type, particularly for applications requiring enhanced mixing or precise control of material properties. These machines use two intermeshing screws that improve dispersion of fillers and additives within the EPDM compound. Twin-screw extruders are often selected for complex formulations or when consistent material homogeneity is a priority.

Cold-feed EPDM extruders are designed to process rubber at lower initial temperatures. Instead of preheating the material, the extruder generates heat through mechanical shear during operation. This approach helps reduce the risk of premature curing and provides better control over extrusion quality. Cold-feed extruders are commonly used in modern EPDM profile production lines.

Hot-feed EPDM extruders, by contrast, require preheated rubber compounds. While less flexible than cold-feed systems, they can offer higher output rates in certain applications and are still used in some traditional production setups.

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Environmental protection, high efficiency, energy conservation and safety of LCM salt-bath vulcanization system for rubber profiles.
The characteristics of LCM Technology:
Compared with other rubber vulcanization technologies, such as microwave vulcanization (UHF), the characteristics of LCM system are outstanding. It is mainly manifested in its stable processing quality, high vulcanization speed and wide practicability.