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 MPMAis smooth and shiny. The latter has good UV resistance but is combustible and fragile.

PCPMMA
TransparencySlightly “cloudy” transparencyMore transparent than glass
Use in extreme temperatures-140°C to 130°C-40°C to 85°C
Resistance to solventsGoodBad
Resistance to acidsGoodMediocre
Resistance of the materialUnbreakable (does not break but twists)Breakable
UV resistanceAverageGood
Resistance to scratchingAverageGood
UseElectrical 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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