Materials for Plastic Parts

Dielectric Manufacturing has a wide variety of thermosets and thermoplastics available to fabricate any type of custom plastic component. With our extensive knowledge of plastics, we’ll make sure the optimal material is selected for your part.

With more than 50 years of experience as a contract manufacturer of plastic parts, we have the knowledge and plastic fabrication experience needed to provide precision components to meet your exact needs.

Search the DM Knowledge Base for Plastic Materials and Their Properties, Including the Electrical Insulating Properties of Thermosets.


These materials are commonly used for electrical insulation, as the material cannot be melted once the shape is created. A chemical reaction takes place during the manufacturing process, creating the permanently-hard nature of the material. These plastics are not recyclable.
Click on any material to learn about its properties.
Fish Paper (Vulcanized Fiber)Glass Cloth Phenolic Resin (G-3)Glass-Melamine Laminate (G-5, G-9)
Glass-Silicone (G-7)Glass-Epoxy (G-10, FR-4, G-11)Glass Polyester (GPO-1, GPO-2,GPO-3)
Linen (LE)Nomex® (Synthetic Aromatic Polyamide Polymer)Transformer Board (Press Board T-IV)

See thermoset material cost comparisons.


These plastics can be re-formed once the shape is manufactured, as the material experiences physical and not chemical change. Thermoplastic materials are available with various durometer hardness. Parts made with thermoplastics are recyclable.
Click on any material to see its properties.
ABS (Acrylonitrile-Butadlene-Styrene)AcetalAcrylic
Celazole® Polybenzimidazole (PBI)Formex® (Flame Retardant Polypropylene)HYDEX 4101 UD blue
KEL-F® (PolyChloroFluoroEthylene)Kynar® (Polyvinylidene Fluoride)Lexan® (Polycarbonate)
PBT (Polybutylene Terephthalate)PEEK (Polyetheretherketone)PETG
Polyethylene (HDPE/LDPE)PolystyrenePVC (Polyvinyl Chloride)
Radel® (Polyphenylsulfone)TECAFORM® AH UD Blue - AcetalTECAPEEK UD blue
Teflon® (Polytetrafluoroethylene, PTFE)Torlon® (Polyamide-imide)UHMW (Ultra-High-Molecular-Weight Polyethylene)
Ultem® (Polyetherimide, PEI)Vespel® (High-Performance Polyimide-Based Plastic)

See thermoplastic material cost comparisons.

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Dielectric Manufacturing Knowledge Base


Learn about metal and plastic properties, see answers to frequently asked questions about parts and assemblies, and get other information on component fabrication and machining.

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Need more information about plastic or metal component fabrication and assembly? Call us at 800-367-9122, or email