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How to Identify Mixed Recycled MMA Acrylic Sheet and Vigin Acrylic Sheet

TIME:2016-07-08
RECYCLED MMA ACRYLIC SHEET
VIRGIN MMA ACRYLIC SHEET
transmittance less than 80%
transmittance more than 92%
inferior weather, physical & chemical resistance
Superior resistance
Inferior colour & dimensional stability due to unstable monomer binding
Superior stability
Strong odour pollution during fabrication
Mild to no odour

How to identify mixed recycled MMA Acrylic sheet:

  • Vision: yellowish (especially looking horizontally piled acrylic sheet)
  • Touch: surface easier to scratch
  • Smell : strong smell pollution during stocking or fabrication
  • Burn test: bubble, black smoke and strong smell will appear
  • During thermoforming: tends to deform & generate bubble
  • Hairline cracking and lines during painting/ printing due to low chemical resistance

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