HDPE
✓ Food Safe
⬡ Chemical Resistant
80
°C
Max Service
Overview
High-density polyethylene — one of the most machinable plastics. Almost no tearout, excellent surface finish, machines like butter. Great for jigs, fixtures, and food-safe cutting boards.
Properties
Difficulty
beginner
Flexibility
semi-flex
Enclosure
no
Dry Storage
no
Pros
- Extremely easy to machine — no tearout
- Food safe
- Chemical resistant
- Waterproof
- Good for jigs and fixtures
Cons
- Melts rather than cuts if feed rate too low (heat builds up)
- Difficult to glue
- Flexes at edges — needs support for thin sections
Best For
- Cutting boards and food-safe items\nJigs and fixtures\nWaterproof components\nChemical containers and caps
Avoid For
- High-precision fine detail (slight flexibility)\nHigh-temp environments
Storage
No special requirements.
Brands
Generic HDPE sheetProfessional PlasticsMcMaster-Carr