Plastic CNC Machining

Get machined plastic prototypes and production parts.


ISO 9001:2015 | AS9100D | ITAR

We stock a variety of thermoplastic materials for machined prototypes and production parts. 

Available Machined Plastic Options:

Machined Plastic Material Properties

Plastic Material Description Tensile Strength  Impact Strength Heat Deflection
ABS Low-cost engineering grade plastic. Easy to machine and offers dimensional stability. 6,100 psi 2.7-7.7 ft-lbs/in 203-214° F
ABS-Flame Retardant Flame retardant benefits with slightly lower tensile strength and heat deflection than standard ABS >5,500 psi 4 ft-lbs/in 194° F
Acetal 20% Glass Filled / Delrin 570 20% glass-filled fiber with high stiffness and excellent performance at elevated temperatures 8,500 psi 0.8 ft-lbs/in 316-345° F
Acetal Copolymer High strength and stiffness. Low moisture absorption 8,800 psi 1.0 ft-lbs/in 230-316° F
Acetal Homopolymer / Delrin 150 High tensile strength, creep resistance, and overall toughness 9,000 psi 1.5 ft-lbs/in 257-336° F
Acetal Static Dissipative / Tecaform SD Excellent bearing and wear properties. Good for components that will undergo friction or fluid flow contact 6,600 psi 1.8 ft-lbs/in 190° F
CPVC High heat and corrosion resistant. Self extinguishing and flame spread of less than 20 7,300 psi 9 ft-lbs/in 198° F
HDPE Impact resistant, tensile strength, and chemical and corrosion resistant 4,600 psi 1.3 ft-lbs/in 176° F
LDPE More flexible than HDPE. Easy to machine and offers chemical and corrosion resistance. 1,700 psi No Break 160° F
Nylon 6 Excellent bearing and wear properties. Good overall mechanical properties 10,000 psi 0.6 ft-lbs/in 200-370° F
Nylon 6/6 Outstanding wear resistance and frictional properties. Poor dimensional stability 10,000 psi 1.1 ft-lbs/in 194-455° F
Nylon 6/6 30% Glass Filled High heat deflection combined with superior wear and abrasion resistance. 12,000 psi 1.0 ft-lbs/in 482-490° F
Polycarbonate (PC) Natural transparency with high impact strength 8,000-9,500 psi 2.0-16.0 ft-lbs/in 270-280° F
Polycarbonate (PC) 20% Glass Filled Higher tensile and and temperature properties than unfilled PC 16,000 psi 2.06 ft-lbs/in 298° F
PEEK Good material option when thermal, chemical, and combustion properties are required 14,000 psi 1.55 ft-lbs/in 285-482° F
PEI / Ultem 1000 Translucent amber in color.  15,200 psi 1.0 ft-lbs/in 392-410° F
PEI 30% Glass Filled / Ultem 2300 High heat resistance and retains tensile properties at elevated temperatures 24,500 psi 1.6 ft-lbs/in 414° F
PET Excellent wear resistance, high flexural modulus, and is a good electrical insulator  11,500 psi 0.6 ft-lbs/in 175-240° F
PMMA / Acrylic Rigid thermoplastic with UV stability and transparency 10,809 psi 6.8 ft-lb/in² 185-212° F
Polypropylene Copolymer Versatile, all-purpose thermoplastic that is easy to machine and low cost. More pliable than homopolymer 4,200 psi 1.2 ft-lbs/in 96-195° F
PP Homopolymer High strength-to-weight ratio and good performance in thermoforming and corrosive environments 4,800 psi 1.2 ft-lbs/in 210° F
PPE+PS / Noryl 265 Exceptional dimensional stability. Good choice for housings due to insulating properties and flame resistance 9,200 psi 3.5 ft-lbs/in 254-279° F
PPSU / Radel R 5500 Excellent hydrolytic stability and toughness. Good thermal stability and flame retardent 10,100 PSI 13 ft-lbs/in 428° F
PS (HIPS) / Polystyrene Good prototyping material due to low cost. Offers impact resistance >3,000 PSI 2.8 ft-lbs/in 185° F
PSU / Polysulfone Transparent plastic with chemical and high temperature resistance. Can operate in an autoclave environment 10,200 PSI 1.3 ft-lbs/in 345-358° F
PTFE / Teflon Excellent chemical resistance and unmatched coefficient of friction 2,900-5,076 PSI 2.0-6.0 ft-lbs/in 500° F
PVC Best choice for chemical resistance. Relatively low cost material as well 7,820 PSI 0.8 ft-lbs/in 162-172° F
UHMW No moisture absorption and self lubricating. Retains physical properties down to -30℃ 5,800 PSI No Break 116° F

Design Guidelines for Plastic CNC Parts

View our guidelines for CNC milling, which include maximum part sizes by material, minimum dimensions, and recommendations for threading and text.

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