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

TIME:1970-01-01

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