Compare CNC Machining Materials

*The information contained herein are typical values intended for reference and comparison purposes only. They should NOT be used as a basis for design specifications for quality control.

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ABS

Material Plastic

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Description

ABS is a low-cost engineering plastic that is easy to machine. ABS is an ideal material for structural applications when impact resistance, strength, and stiffness are required. It’s widely used for pre-production prototypes since it has excellent dimensional stability and is easy to paint and glue.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	6,000 PSI
Impact Strength	7.7 ft-lbs/in
Heat Deflection	201 °F

Attributes

Strength Cost Effective Stiffness

ABS Flame Retardant

Material Plastic

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Description

ABS Flame Retardant is an ideal material for structural applications when impact resistance, strength and stiffness are required. ABS Flame Retardant is an economical engineering plastic when flame resistant properties are needed in prototyping.

Resolution

Max. Part Size:

10 in. x 7 in. x 1.75 in.

Mechanical Properties

Tensile Strength	5,500 PSI
Impact Strength	4 ft-lbs/in
Heat Deflection	190 °F

Attributes

Strength Cost Effective Flame Resistance PFAS Present

Acetal 20% Glass Filled/Delrin 570

Material Plastic

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POM (Acetal Copolymer)

Material Plastic

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Description

Acetal is an engineering thermoplastic used in precision parts requiring high stiffness, low friction, and excellent dimensional stability.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	8,800 PSI
Impact Strength	1 ft-lbs/in
Heat Deflection	316 °F

Attributes

Chemical Resistance Dimensional Stability Low Friction

POM-H (Acetal Homopolymer)

Material Plastic

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Description

Acetal Homopolymer is an engineering thermoplastic offering high mechanical strength, stiffness, hardness, and creep resistance. It often provides better wear resistance than Acetal Copolymer.

Resolution

Max. Part Size:

22 in. x 14 in. x 0.75 in.

Mechanical Properties

Tensile Strength	11,100 PSI
Impact Strength	1.5 ft-lbs/in
Heat Deflection	336 °F

Attributes

Strength Creep Resistance Stiffness

POM (Acetal Static Dissipative)

Material Plastic

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Description

Acetal Static Dissipative is a semicrystalline engineering plastic with permanent antistatic additives for varied applications in electronics.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	6,600 PSI
Impact Strength	1.9 ft-lbs/in
Heat Deflection	190 °F

Attributes

Antistatic Moisture Resistance Wear Resistance

CPVC

Material Plastic

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HDPE

Material Plastic

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Description

HDPE is a high-density polyethylene that is lightweight, has low moisture absorption, is chemical and corrosion resistant, and has high strength. It is great for applications such as orthotic and prosthetic devices, water storage, and tanks.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	4,423 PSI
Impact Strength	1.3 ft-lbs/in
Heat Deflection	185 °F

Attributes

Strength Lightweight Chemical Resistance

Nylon 6

Material Plastic

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Nylon 6/6

Material Plastic

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Description

Nylon offers extremely good wear resistance and low frictional properties. It has very good temperature, chemical, and impact properties.

Resolution

Max. Part Size:

10 in. x 7 in. x 0.75 in.

Mechanical Properties

Tensile Strength	12,000 PSI
Impact Strength	1.1 ft-lbs/in
Heat Deflection	194-455 °F

Attributes

Lightweight Fatigue Resistance Noise Dampening

Nylon 6/6 GF

Material Plastic

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Description

This 30% glass-fiber reinforced Nylon is important qualities such as high tensile and flexural strength, stiffness, and excellent heat deflection. Glass-fiber offers more than double the strength and stiffness of unreinforced nylons.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	13,000 PSI
Impact Strength	1.8 ft-lbs/in
Heat Deflection	230-489 °F

Attributes

Strength Stiffness Heat Resistance

Polycarbonate (PC)

Material Plastic

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Description

Polycarbonate is an engineering plastic that offers excellent dimensional stability over a wide range of service temperatures. It is commonly used for structural applications when clarity and impact strength are essential. It can also be used in a wide range of electrical applications since it has a low moisture absorption, good insulating properties, and an excellent flammability rating.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	8,000 PSI
Impact Strength	1.7 ft-lbs/in
Heat Deflection	280 °F

Attributes

Flame Resistance Stiffness Moisture Resistance

Polycarbonate (PC) 20% GF

Material Plastic

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Description

Polycarbonate 20% GF is a 20% glass reinforced polycarbonate with higher temperature and tensile properties than unfilled polycarbonate. Its good electrical properties combined with superior impact strength and moderate chemical resistance make it widely fitting for numerous applications.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	16,000 PSI
Impact Strength	2.06 ft-lbs/in
Heat Deflection	298 °F

Attributes

Electrical Properties Stiffness Impact Resistance

PEEK

Material Plastic

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Description

PEEK is a unique semi-crystalline, high temperature engineering thermoplastic. Its material properties provide a wide range of applications where thermal, chemical, and combustion are critical to performance. PEEK can retain flexural and tensile properties at very high temperatures.

Resolution

Max. Part Size:

10 in. x 7 in. x 0.75 in.

Mechanical Properties

Tensile Strength	14,000 PSI
Impact Strength	1.55 ft-lbs/in
Heat Deflection	285 °F

Attributes

Chemical Resistance Heat Resistance

PEI ULTEM 1000

Material Plastic

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Description

ULTEM is an amorphous thermoplastic polyetherimide (PEI) material that combines exceptional mechanical, thermal, and electrical properties. Natural ULTEM is a translucent amber color. Key attributes include excellent mechanical strength, ability to retain strength at elevated temperatures, high heat resistance, and high stress resistance.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	15,200 PSI
Impact Strength	1 ft-lbs/in
Heat Deflection	392 °F

Attributes

Strength Stress Resistance Heat Resistance

PEI ULTEM 2300 (30% glass-filled)

Material Plastic

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Description

ULTEM is an amorphous thermoplastic polyetherimide (PEI) material that combines exceptional mechanical, thermal, and electrical properties. The addition of glass fiber reinforcement provides the material with greater tensile strength and rigidity while improving dimensional stability.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	24,500 PSI
Impact Strength	1.6 ft-lbs/in
Heat Deflection	414 °F

Attributes

Strength Stress Resistance Temperature Resistance

PET

Material Plastic

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Description

PET, also known as Polyethylene Terephthalate, is a semi-crystalline thermoplastic polyester with excellent wear resistance, low coefficient of friction, high flexural modules, and superior dimensional stability. It it a very versatile option for mechanical and electro-mechanical parts.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	12,500 PSI
Impact Strength	0.7 ft-lbs/in
Heat Deflection	240 °F

Attributes

Strength Wear Resistance Chemical Resistance

PMMA (Acrylic)

Material Plastic

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PP Copolymer

Material Plastic

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Description

Polypropylene (PP) Copolymer is a common thermoplastic often used for its versatility. It is easy to fabricate, will not crack with vibration or wear, and can also be used in applications that require chemical resistance and/or FDA compliance.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	4,814 PSI
Impact Strength	7.8 ft-lbs/in
Heat Deflection	173 °F

Attributes

Cost Effective Impact Resistance

PP Homopolymer

Material Plastic

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Description

Polypropylene (PP) Homopolymer is a crystalline material with a high strength-to-weight ratio, excellent chemical resistance, and high performance in thermoforming and corrosive environments.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	5,150 PSI
Impact Strength	1.2 ft-lbs/in
Heat Deflection	210 °F

Attributes

Corrosion Resistance Chemical Resistance Moisture Resistance

PPE + PS Noryl 265

Material Plastic

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Description

This material is a modified PPO that is a strong engineering plastic with outstanding mechanical, thermal, and electrical properties. Some key attributes include low moisture absorption and low thermal expansion, making it one of the most dimensionally stable thermoplastics. It is often used for electrical housings due to its high flame resistance and excellent insulating properties.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	9,200 PSI
Impact Strength	3.5 ft-lbs/in
Heat Deflection	254 °F

Attributes

Flame Resistance Impact Resistance Moisture Resistance

PPSU (Radel R 5500)

Material Plastic

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Description

Radel R polyphenylsulfone resins offer exceptional hydrolytic stability and toughness that is superior to other commercially available, high-temperature engineering resins. It offers high deflection temperature and outstanding resistance to environmental stress cracking. The polymer is inherently flame retardant, has excellent thermal stability, and good electrical properties.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	10,100 PSI
Impact Strength	13 ft-lbs/in
Heat Deflection	405 °F

Attributes

Flame Resistance Heat Resistance

PTFE (Teflon)

Material Plastic

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Description

PTFE is a crystalline polymer commonly known by its trade name, Teflon. Properties include very high melting point and exceptional resistance to chemicals. Being hydrophobic, non-wetting, non-stick, high density, and resistant to high temperatures, it is incredibly versatile.

Resolution

Max. Part Size:

10 in. x 7 in. x 2.75 in.

Mechanical Properties

Tensile Strength	3,000-5000 PSI
Impact Strength	3.5 ft-lbs/in
Heat Deflection	243 °F

Attributes

Heat Resistance High Density Chemical Resistance PFAS Present

PVC

Material Plastic

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Description

Polyvinyl Chloride (PVC) is an extremely versatile polymer and used widely across many industries due to its exceptional corrosion resistance, high strength-to-weight ratio, and cost efficiency.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	7,500 PSI
Impact Strength	1 ft-lbs/in
Heat Deflection	179 °F

Attributes

Corrosion Resistance Cost Effective Machinability

UHMW

Material Plastic

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Description

Ultra High Molecular Weight Polyethylene provides a unique combination of wear and corrosion resistance, low friction surface, and impact strength. It is resistant to chemical attack and moisture absorption and retains key physical properties in cold temperatures. It is also a cost-effective solution for food handling applications as it meets FDA and USDA guidelines.

Resolution

Max. Part Size:

10 in. x 7 in. x 3.75 in.

Mechanical Properties

Tensile Strength	5,800 PSI
Impact Strength	34 ft-lbs/in
Heat Deflection	180 °F

Attributes

Chemical Resistance Corrosion Resistance Moisture Resistance

Aluminum 6061-T651/T6

Material Metal

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Description

Aluminum 6061 is a versatile and widely used alloy renowned for its excellent mechanical properties and weldability. The "T6" and "T651" designations refer to specific tempering processes that enhance its strength and stress relief capabilities. Both variations of Aluminum 6061 are highly sought after in industries such as aerospace, automotive, marine, and general manufacturing due to their combination of strength, machinability, and corrosion resistance.

Resolution

Max. Part Size:

22 in. x 14 in. x 3.75 in.

Mechanical Properties

Tensile Strength

45 ksi

Material Metal

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Titanium

Material Metal

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Tensile Strength	8,500 PSI
Impact Strength	2.85 ft-lbs/in
Heat Deflection	329 °F

Tensile Strength	7,300 PSI
Impact Strength	9 ft-lbs/in
Heat Deflection	198 °F

Tensile Strength	10,000 PSI
Impact Strength	0.7 ft-lbs/in
Heat Deflection	400 °F

Tensile Strength	8,038 PSI
Impact Strength	0.4-0.5 ft-lbs/in
Heat Deflection	264 °F