Southwest Plastics is a specialty manufacturer of high temperature and engineered thermoplastic, and thermoset plastic components. As an ISO 9001 certified manufacturer, we utilize the best injection molding, compression molding, and transfer molding techniques to consistently produce millions of custom, high quality, and high tolerance plastic parts every year. Clients range from aerospace contractors to small manufacturers with part runs from several thousand to millions of units each year.

Southwest Plastics' capabilities include:

  • Thermoset Transfer Molding
  • Thermoset Compression Molding
  • Thermoset Injection Molding
  • Thermoplastic Injection Molding
  • Rubber Molding

Southwest Plastics' support services include:

  • Design Consulting
  • Engineering Capabilities
  • Mold Making
  • Precision Machining
  • Assembly
  • Finishing
  • Packaging
  • Experience Staff
  • Inspection and Testing
  • Molding Material

Injection Molding

Aerospace Parts | Industrial Parts

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Compression Molding

Electrical Parts | Cable Insulation

Our team expertly applies this process to many varieties of thermoset plastics and composites including phenolic, epoxy, melamine, and diallyl phthalate.

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Transfer Molding

Gas Valves | Electronic Circuits

Utilizing this technique, Southwest Plastics produces intricate composites with various plastics and metal inserts for higher dimensional tolerances and less environmental impact.

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Machine Shop

Prototypes | Precision Parts

Our full-service machine shop can manufacture, modify and prototype production parts for a variety of industries.

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Design Consulting

Tooling | Secondary Operations

Southwest Plastics provides comprehensive design support from inception to production. We use the latest version of Solid Works to ensure optimal part design and execution.

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Support Services

From inception to production, Southwest Plastics fully supports its customers to ensure a successful outcome for every plastics project.

Quality Assurance

Southwest Plastics Companies quality management system (QMS) is a set of policies, processes and procedures required for planning and execution for production and verification of product quality in our core business in order to meet customer requirements.

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Questions? Contact us!