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.
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
We can source thousands of materials on request. Please contact us for specific material requests.
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Most common injection molding plastics
| Material | Properties | Typical usage | Price |
|---|---|---|---|
| ABS | Lightweight, impact-resistant, good electrical insulation, low temperature resistance | Automotive parts, toys, electronic housings | $$ |
| HDPE | Lightweight, moisture-resistant, good chemical resistance, low temperature resistance | Packaging, toys, household items | $ |
| HIPS | Lightweight, rigid, good dimensional stability, low cost | Packaging, toys, electrical components | $$ |
| LDPE | Lightweight, flexible, good chemical resistance, low temperature resistance | Packaging, toys, household items | $ |
| PA | Strong, wear-resistant, good fatigue resistance, good heat resistance | Mechanical parts, gears, electrical components | $$$ |
| PBT | Good dimensional stability, good chemical resistance, good impact strength | Electrical components, automotive parts | $$$ |
| PC | Transparent, high impact strength, good heat resistance, good electrical insulation | Electronic components, safety glasses, medical devices | $$$$ |
| PE | Lightweight, moisture-resistant, good electrical insulation, low temperature resistance | Packaging, toys, household items | $ |
| PEEK | High temperature resistance, good chemical resistance, high mechanical strength, good electrical insulation | Aerospace, medical devices, electrical components | $$$$$ |
| PMMA | Transparent, good weather resistance, good optical clarity | Automotive parts, lighting fixtures, displays | $$$ |
| POM | Low friction, good dimensional stability, high mechanical strength, good chemical resistance | Mechanical parts, electrical components, gears | $$$ |
| PP | Lightweight, moisture-resistant, good chemical resistance, low temperature resistance | Packaging, toys, household items | $ |
| PPS | High temperature resistance, good chemical resistance, high dimensional stability | Electrical components, automotive parts | $$$$ |
| PVC | Lightweight, good chemical resistance, good electrical insulation | Pipes, electrical cables, flooring | $ |
| Silicone | Good temperature resistance, good chemical resistance, flexible | Medical devices, automotive parts, consumer products | $$$$ |
| TPE | Good flexibility, good chemical resistance, low cost | Medical devices, consumer products, automotive parts | $$ |
| TPU | Good flexibility, good chemical resistance, good abrasion resistance | Footwear, automotive parts, medical devices | $$$ |
| UHMW | Lightweight, good abrasion resistance, good chemical resistance | Bearings, gears, mechanical parts | $$$ |
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