Every new product eventually involving plastic components faces a critical decision most teams underestimate: what polymer to use. The choice affects not only initial prototype engineering, but also tooling, compliance, durability, and costs over the product’s life.
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Episode sections
Here’s a preview of what this episode covers:
- 00:55: Why polymer selection matters
The wrong plastic choice can cause bonding failures, reliability issues, or even product recalls. - 04:49: ABS and PC-ABS: The workhorse polymers
Tough, versatile, and widely used, but ABS has limits outdoors and at high temperatures. - 08:27: Commodity polymers: PP, PC, and HDPE
Low-cost, high-volume plastics each with specific strengths: living hinges, clarity, food safety, and clear weaknesses too. - 16:20: Engineering polymers: Nylon, POM, and Tritan (PCTG)
High-performance options with special attributes like strength, low friction, or FDA approval, but not without trade-offs. - 26:19: Case study: A costly material change
Switching from ABS to PP solved an aesthetic issue but created a bonding failure that derailed pre-production. - …and much more!
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Polymer Selection Guide
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Further reading
- Plastic Injection Molding Questions: 17 FAQs Businesses Need Answers To
- Plastic Enclosures for Electronics Projects (Plastics Sourcing Guide)
- How to Test Plastic Material Properties
- Avoiding 9 Plastic Injection Molding Defects: Key Preventive Measures
- Injection Mold Textures: How to Choose the Right One?
