What material should you choose for your transparent plastic prototypes?

What material should you choose for your transparent plastic prototypes?

PC (polycarbonate) and MPMA (methyl polymethacrylate) both allow the production of transparent plastic prototypes. However, they have different technical characteristics and therefore meet different needs. PC is mechanically stronger, requires a long polishing period, has high mechanical strength and ages well, while MPMA is smooth and shiny. The latter has good UV resistance but is combustible and fragile.

PC PMMA
Transparency Slightly “cloudy” transparency More transparent than glass
Use in extreme temperatures -140°C to 130°C -40°C to 85°C
Resistance to solvents Good Bad
Resistance to acids Good Mediocre
Resistance of the material Unbreakable (does not break but twists) Breakable
UV resistance Average Good
Resistance to scratching Average Good
Use Electrical and electronic devices, luminaires, protective housings,
sales outlets, hospital equipment, etc.
Luminaires, signs, radio, TV, telephone dials, sanitary equipment, etc.
Détail de la transparence

Détail de la transparence

 

If you want:

  • A very transparent part: MPMA (sometimes called acrylic glass)
  • A transparent and unbreakable part
  • A polished mirror finish
  • Use in extreme temperatures

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