Thermoplastics: polyamide, polycarbonate, polyvinyl chloride, ABS, polyurethane, polysulfone, polytetrafluoroethylene, polyethylene, polypropylene, polyphenyl ether, polyester, PPS.

Thermosetting plastics: phenolic resin, urinary formaldehyde, DAP, epoxy resin. Nylon (PA): Milky white, good toughness, wear resistance, odorless, drillable, cutting, planer, injection moulding, good creep resistance (KB600), moisture absorption, heat resistance 105 C.

Polycarbonate (PC): Good wear resistance, good mold plasticity, good insulation, dimensional stability, poor solvent resistance, low water absorption, often used in multiple connectors, medium creep resistance (KB125) heat resistance 130 C.

Polyvinyl chloride (PVC): Used for cables, sheaths, heat shrinkable tubes, it has good physical properties, weather resistance, low moisture absorption, good extrusion forming, not suitable for the shell, it is viscous, heat resistance 60 C.

Acrylon/butadiene/styrene copolymer (ABS): This plastic is used as a substitute for nylon shell. It has good mechanical properties, heat resistance and chemical properties. It is easy to process, cheaper than nylon, creep resistance (KB300), and heat resistance of 60 C.

Polyurethane (PUR): Easy to bend and fatigue, excellent tear strength, good chemical and solvent resistance, used for miniature connectors and rotary switches, heat resistance 85 C.

Polysulfone (PSO): Used for socket shell material, good electrical performance, excellent temperature resistance, good engineering performance, not too expensive, good chemical resistance, heat resistance 150 C.

Polytetrafluoroethylene (PTFE): Excellent temperature resistance, good chemical and solvent resistance, climate resistance, excellent insulation, difficult to absorb water, very expensive, radiation resistance. Heat resistance 250 C.

Polyethylene (PE): Excellent chemical resistance, good insulation, cheaper, using low density polyethylene, heat resistance 80 C.

Polypropylene (PP): Light weight, cheaper, wear-resistant, good engineering performance, water-resistant, for small and ultra-small coaxial connectors, heat resistance 90 C.

Polyphenyl ether (PPO): Excellent engineering performance, good mechanical and electrical properties, poor solvent resistance, creep resistance (KB300), heat resistance 105 C. Polyester (PBT): This thermoplastic is being used more and more. It has excellent chemical and electrical properties, dimensional stability, good plasticity, creep resistance (KB250), and heat resistance (120 C).

Phenolic resin (PE): Phenolic resin is composed of phenol and formaldehyde condensates. It has excellent resistance to load deformation, stable size in a wide temperature range, chemical resistance, common solvents and weak acids, acceptable insulation, and heat resistance of 150 C.

Urinary formaldehyde (MF): Urinary formaldehyde is made up of melamine and formaldehyde condensate. It has high mechanical resistance, low price, high creep resistance (KB600), many colors and heat resistance of 70 C.

DAP: Excellent dimensional stability, temperature resistance, excellent moisture resistance, strong and weak acid, alkali, solvent, creep resistance (KB600), is the highest quality plastic, usually blue, used for the highest military connectors, high price, heat resistance 180 C.

Epoxy resin (EP): Epoxy resin is usually used for high quality printed circuit boards, LGH and ARINC. It has excellent strength and toughness, excellent adhesion to other materials, low dielectric constant and high voltage resistance, good mechanical stability, corresponding loss and heat resistance of 110 C.