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Thermoplastic Molding
Southwest Plastics offers over 45 years of experience in plastic and thermoplastic injection molding, transfer, and...
SR Plastics of Southern California is a 50 year veteran of the injection molding industry. Our experience in the...
Plastic Injection Molding , 2 shot injection molding, custom plastic injection molding, mold building and more.
What is Thermoplastic Injection Molding?
Thermoplastic Injection Molding is a high-volume manufacturing process used to produce complex plastic parts with excellent repeatability and tight tolerances. Thermoplastic injection molding is the go-to process for creating everything from consumer electronics housings and automotive components to medical devices and household goods. Thermoplastic molding combines speed, precision, and versatility to produce state-of-the-art plastic parts.Thermoplastic vs. Thermoset Plastics
Thermoset plastics and thermoplastics are similar injection molding materials that behave differently when exposed to heat. In essence, thermoplastics have a lower melting point than thermoset plastics and are ideal for applications that use recycled materials. Contrastingly, thermoset plastics can withstand higher temperatures without losing their shape, offering enhanced durability over thermoplastics.Thermoplastics for Enhanced Aesthetics
Thermoplastics offer better aesthetics over thermoset polymers by allowing spray coatings to be applied directly inside the mold before the thermoset polymers are injected. This process ensures stronger adhesion to the surface and provides superior resistance to chipping, cracking, or flaking—even in extreme weather conditions.Thermoplastic Material Options
Thermoplastics are composed of a simple molecular structure containing chemically independent macromolecules. They are softened or melted on heating, then shaped, formed, welded, and solidified when cooled. Multiple heating and cooling cycles can be repeated, allowing for continued reprocessing and recycling. Thermoplastic material options include:- Polypropylene
- Polyethylene
- Polyvinyl Chloride
- Polystyrene
- Polyethylene Terephthalate
- Polycarbonate