3D Printing Materials

Below is a comparative table of the materials we use.

Property PLA PETG PETG-CF ASA PAHT-CF TPU
Strength β˜…β˜…β˜…β˜†β˜† – Strong but brittle β˜…β˜…β˜…β˜…β˜† – Strong and tough β˜…β˜…β˜…β˜…β˜† – Stiff and strong β˜…β˜…β˜…β˜…β˜† – Strong and homogeneous β˜…β˜…β˜…β˜…β˜… – Very strong β˜…β˜…β˜…β˜†β˜† – Flexible strong
Flexibility β˜…β˜†β˜†β˜†β˜† – Stiff β˜…β˜…β˜†β˜†β˜† – Slightly flexible β˜…β˜†β˜†β˜†β˜† – Very stiff β˜…β˜…β˜†β˜†β˜† – Limited flexibility β˜…β˜†β˜†β˜†β˜† – Very stiff β˜…β˜…β˜…β˜…β˜… – Very flexible
Impact resistance β˜…β˜…β˜†β˜†β˜† – Breaks easily β˜…β˜…β˜…β˜…β˜† – Good β˜…β˜…β˜…β˜†β˜† – Lower than PETG β˜…β˜…β˜…β˜…β˜† – Good β˜…β˜…β˜…β˜…β˜† – High β˜…β˜…β˜…β˜…β˜… – Very high
Heat resistance Up to ~60 Β°C Up to ~80 Β°C Up to ~80 Β°C (but more shape-stable than PETG) Up to ~95 Β°C Up to ~150 Β°C Up to ~90 Β°C
Appearance Matte to glossy Glossy Matte, technical Matte, industrial Matte, carbon look Matte, rubbery
Wear resistance Low High Very high High Extremely high Very high
Weather resistance Poor (UV-sensitive) Good Good Very good (UV & moisture) Very good Good
Deformation under permanent load ❌ High (creeps quickly) ⚠️ Moderate βœ… Low βœ… Low βœ… Very low ❌ High (viscoelastic)
Post-processing Easy to sand More difficult Limited (fibers) Good Difficult Tricky
Environmental impact 🌱 Bio-based, low COβ‚‚ πŸ”„ Fossil, recyclable πŸ”„ Fossil + CF πŸ”„ Fossil, long lifespan πŸ›’οΈ Fossil + CF, high COβ‚‚ πŸ›’οΈ Fossil, hard to recycle
Relative cost € €€ €€€ €€€ €€€€ €€€
Typical applications Models, decoration Functional parts Load-bearing parts, brackets Outdoor parts Mechanical structures Cases, dampers