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Injection molding materials

We offer thousands of plastic injection molding materials, such as ABS, POM and PEEK. A huge range of materials is compatible with plastic molding, making it ideal for many applications in nearly every industry.

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Most common injection molding plastics

Material Characteristics Price Technical information Common applications Material datasheet
Acrylonitrile Butadiene Styren (ABS) + Durable, with good impact and heat resistance
+ Good dimensions
+ Can be molded into complex objects
- Prone to warping
- Cracking under certain conditions (exposure to UV light and heat)
$ $ Shrinkage: 0.4% to 0.8%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Automotive parts, toys, electronic housings, luggage and kitchen appliances Download
Polypropylene (PP) + High strength-to-weight ratio
+ Good chemical resistance
+ Low cost
+ Easy to process and can be molded into a variety of shapes and sizes
- Not as strong as other materials such as ABS
- Not suitable for high-stress applications
- Prone to warping and shrinking
$ Shrinkage: 1.0% to 2.5%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Packaging, containers, automotive parts, medical devices Download
Polyamide 6 (PA6) + High tensile strength
+ Low moisture
+ Absorption
+ Good chemical resistance
+ Good dimensional stability and can be easily molded into complex shapes
- Prone to warping and shrinkage during the injection molding process
$ $ $ Shrinkage: 1.5% to 3.0%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Gears, bearings, electrical components, automotive parts Download
Polymethyl Methacrylate (PMMA) + High transparency
+ Good impact strength
+ Weather resistance
+ Easily molded into complex shapes
+ Good dimensional stability
- Prone to scratching and cracking under certain conditions, such as exposure to harsh chemicals or high temperatures
- More expensive than other materials such as ABS or PP.
$ $ $ Shrinkage: 0.2% to 1.5%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Lighting fixtures, automotive lenses, medical devices Download
Polycarbonate (PC) + High impact resistance, transparency, and heat resistance
+ Easily molded into a variety of shapes and sizes
- More expensive than other materials such as ABS or PP
- Prone to warping and shrinking during the injection molding process
$ $ $ $ Shrinkage: 0.5% to 0.8%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Electronic components, automotive parts, medical devices, safety helmets Download
Polyoxymethylene (POM) + High strength, stiffness and dimensional stability
+ Good chemical resistance
+ Can be easily molded into complex shapes with tight tolerances
- Prone to warping and cracking under certain conditions, such as exposure to UV light or high temperatures
- More expensive than other materials such as ABS or PP
$ $ $ Shrinkage: 1.5% to 2.5%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Gear wheels, bearings, electrical components Download
Polyether Ether Ketone (PEEK) + Excellent mechanical properties, including high strength, stiffness, and creep resistance
+ Good chemical resistance and can withstand high temperatures and harsh environments
- More expensive than other materials such as ABS or PP
- Prone to warping and shrinking during the injection molding process
$ $ $ $ $ Shrinkage: 1.0% to 3.0%
Tolerances: +/- 0.002 inches (0.0508 mm) to +/- 0.005 inches (0.127 mm)
Aerospace components, medical devices, electrical connector Download
Polyethylene (PE) + Low cost, toughness, and chemical resistance
+ Easily molded into a variety of shapes and sizes
- Not as strong as other materials such as ABS or PC
- Prone to warping and shrinking
$ Shrinkage: 1.5% to 3.5%
Tolerances: +/- 0.010 inches (0.254 mm) to +/- 0.020 inches (0.508 mm)
Packaging, containers, toys Download
Polyethylene Terephthalate (PET) + High strength, toughness, and transparency
- Prone to warping and shrinking
$ Shrinkage: 0.2% to 1.0%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Bottles, jars, containers Download
Polyvinyl Chloride (PVC) + Good chemical resistance, low cost, and versatility
+ Easily molded into a variety of shapes and sizes
- Not as strong as other materials such as ABS or PC
- Can release harmful fumes when heated or burned, so proper ventilation and safety precautions are necessary when working with this material
$ Shrinkage: 0.2% to 1.0%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Pipes, electrical cable insulation, inflatable products Download
Polytetrafluoroethylene (PTFE) + Excellent chemical resistance, low coefficient of friction, and high temperature resistance
- More expensive than other materials such as ABS or PP
- Prone to warping and shrinking during the injection molding process
$ $ $ $ $ Shrinkage: 1.0% to 2.0%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Seals, gaskets, bearings Download
Thermoplastic Polyurethane (TPU) + High elasticity, toughness, and resistance to abrasion and chemicals
+ Easily molded into a variety of shapes and sizes
- More expensive than other materials like ABS or PP
$ $ $ Shrinkage: 0.5% to 1.5%
Tolerances: +/- 0.005 inches (0.127 mm) to +/- 0.010 inches (0.254 mm)
Footware, sporting goods, medical devices Download
High-Density Polyethylene (HDPE) + High strength, chemical resistance, and low cost
+ Easily molded into a variety of shapes and sizes
- Not as strong as other materials
$ Shrinkage: 1.5% to 3.5%
Tolerances: +/- 0.010 inches (0.254 mm) to +/- 0.020 inches (0.508 mm)
Piping, containers, toys Download
LDPE + High flexibility, toughness, and chemical resistance
+ Easily molded into a variety of shapes and sizes
- Not as strong as other materials
$ Shrinkage: 1.5% to 3.5%
Tolerances: +/- 0.010 inches (0.254 mm) to +/- 0.020 inches (0.508 mm)
Film packaging, containers, toys Download

*For reference purposes only

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