Material Selection
Many types of plastics can be injection molded. Use the chart below to help decide which thermoplastic is best suited for your injection molding application.
Material Selection
| Material |
Colors |
Stiffness |
Dimensional tolerance |
Intricate design |
Dark colors |
Max wall thickness, mm |
| ABS |
Many |
High |
Good |
Good |
Fair |
5 |
| Nylon |
Many |
High |
Good |
Fair |
Fair |
4 |
| Delrin |
Usually white |
Med |
Good |
Good |
Good |
4 |
| Polyethylene |
Many |
Low |
Poor |
Good |
Good |
4 |
| Polypropylene |
Many |
Low |
Fair |
Good |
Good |
2 |
| Polystyrene |
Many (translucent, opaque, transparent, tinted) |
Low |
Good |
Good |
Good |
5 |
| Polycarbonate |
Many (translucent, opaque, transparent, tinted) |
Med |
Good |
Good |
Fair |
4 |
PVC
|
Usually white
|
|
|
|
|
|