Acrylic Sheet Scrap Regrind (PMMA)

Acrylic Sheet Scrap Regrind (PMMA) For Sale. Polymethyl Methacrylate (PMMA) Acrylic Sheet Scrap Regrind PMMA polymer exhibits glass-like qualities – clarity, brilliance, transparency, translucence – at half the weight with up to 10 times the impact resistance. It is more robust and have less risk of damage.

Injection Molding

· Melt temperature : 200-250°C

· Mold temperature : 40-80°C

· High injection pressures are needed because of poor flow properties and it may be necessary to inject slowly to get the correct flow.

· Internal stresses can be eliminated by heating at 80°C.

Extrusion

· Extrusion temperature : 180-250°C

· A degassing screw with an L/D ratio of 20-30 is recommended