Unusual Plastic Injection Molding Materials

These materials are characterized by parameters such as high temperature resistance and strength, which exceed those of standard materials. However, they also come with higher costs and greater production complexity.

PEEK (Polyether Ether Ketone)

• Mechanical Strength: High, with excellent thermal stability.
• Weather Resistance: Excellent, performs well in harsh environments.
• Chemical Resistance: Excellent, resistant to many chemicals.
• Applications: Aerospace, medical devices, high-performance engineering parts.
• Processing: 350°C – 400°C.

PPS (Polyphenylene Sulfide)

• Mechanical Strength: High, with good dimensional stability.
• Weather Resistance: Good, withstands high temperatures.
• Chemical Resistance: Excellent, resistant to many chemicals.
• Applications: Automotive parts, electronics, industrial machinery.
• Processing: 290°C – 330°C.

PPSU (Polyphenylsulfone)

• Mechanical Strength: High, with excellent impact resistance.
• Weather Resistance: Good, suitable for harsh environments.
• Chemical Resistance: Good, resistant to many chemicals.
• Applications: Medical devices, aerospace components, plumbing fittings.
• Processing: 340°C – 400°C.

PTFE (Polytetrafluoroethylene)

• Mechanical Strength: Moderate, known for low friction.
• Weather Resistance: Excellent, withstands extreme conditions.
• Chemical Resistance: Excellent, highly resistant to chemicals.
• Applications: Seals, gaskets, insulation.
• Processing: 330°C – 360°C.

LCP (Liquid Crystal Polymer)

• Mechanical Strength: High, with excellent dimensional stability.
• Weather Resistance: Good, performs well in various conditions.
• Chemical Resistance: Excellent, resistant to many chemicals.
• Applications: Electronics, connectors, high-performance components.
• Processing: 280°C – 330°C.

About the Author

Alex Yu

Ideal Pro Manufacturing

Alex is the co-founder of Ideal Pro, but when he's not overseeing key projects or steering the technical team, you'll likely find him on a long bike ride, hunting for the best coffee in town, or planning his next travel adventure. With over 20 years of experience spanning international trade sales and project management, he's seen it all — tight deadlines, tricky engineering problems, and everything in between. He believes great work comes from a well-rested mind and a good cup of coffee, and he brings that same curiosity and attention to detail to every project he takes on. When he's not in the office, he's usually somewhere outdoors, exploring new places and collecting stories to share.