Compression molding material Both thermoplastics and th […]
Compression molding material
Both thermoplastics and thermosets are compatible with compression molding. Thermoplastic materials are plastics that soften when heated and harden when cooled. Thermoplastics can be heated and cooled (or reshaped) multiple times. On the other hand, thermosetting materials include plastics and other polymers, which cure irreversibly when heated, which means they can only be molded once. The compression molding process causes thermosetting plastics to undergo chemical changes in an irreversible or repeatable way.
Commonly used materials in compression molding include:
Diallyl phthalate (DAP)
High-density polyethylene (HDPE)
Polyphenylene sulfide (PPS)
Phenolic resin (PF)
Urea formaldehyde (UF)
Application of compression molding
Compression molding has countless applications. The following are many parts and products with compression molding that we interact with:
Vehicle parts-Many large parts and panels of cars, tractors and other vehicles are made using compression molding. Many plastic parts used in vehicle interiors and engine parts can also be compression molded.
Kitchenware-Many kitchen tools, utensils and household appliances parts are molded. Tableware including bowls, cups, plates, etc.
Electrical components-Compression molding is often used to make power sockets, switches, panels and metering devices.
Medical and dental equipment parts-Many plastic and silicone parts used in the medical industry are compression molded, including syringe plugs and gas masks.