Injection Molding Materials

Injection Molding Materials

Rapid Designs

Plastic Injection Molding Materials and Injection Molding Resins

Rapid Designs offers a variety of injection molding resins and injection molding material choices from commodity grades to engineering grades, along with material selection expertise.

Injection Molding Material Selection Expertise

Selecting the correct material for each application can be a daunting task, requiring in-depth knowledge of the panoply of injection molding resins available. Recommending the right type and grade of resin hinges on a thorough understanding of the product’s application; all application characteristics need to be carefully weighed before a determination is made. As an engineering and prototyping company we do not limit the types of materials we process. There are literally thousands of injection molding resins on the market today. Those listed in the table below are merely a sampling of the most commonly requested injection molding materials.

Since inception, Rapid Designs success in the injection molding business has been based on our focus on providing innovative engineered solutions to our clients. Rapid Designs tooling engineers and technical specialists are anxious to assist in your materials selection to meet the demands of your application.

Injection Molding Machine
Injection Molding Materials used in item

Injection Molding Materials


Material Class

Application “Best Fit”

Material Research & Sourcing Websites

Engineering and general grade resins are available within 3-5 days.

Major Resin Suppliers:

  • Sabic Innovative Plastics (was GE)
  • Dupont Plastics
  • Solvoy Plastics
  • LNP Engineered Plastics
  • RTP Company

Specialized Materials and Materials Processing:

  • Custom Colors
  • Glass Filled
  • Talc Filled
  • Foaming Agents
  • Flame Retardant
  • UV Inhibited
  • UL Approved

General Grades:

  • ABS
  • Acetal
  • K Resin
  • Nylon 6/6
  • PET
  • Polypropylene
  • Polyethylene
  • Styrene (crystal clear and opaque)
  • TPE

Engineering Grades (typical):

  • GE Cycoloy
  • GE Lexan
  • GE Noryl
  • GE Noryl GTX
  • GE Ultem
  • GE Valox
  • Dupont LCP
  • Phillips Ryton
  • Engineering Prototype
  • Low Volume Production
  • Production


Contact Rapid Designs – Your Injection Molding Materials Experts

Click Here to Contact Rapid Designs for further assistance with your plastic injection molding materials and injection molding resins needs.

Injection Molding Materials used in components