Virgin acrylic sheet |
Recycled acrylic sheet |
Excellent in anti-UV and will not turn yellowish and fade at least for 5 years |
Poor in anti-UV and become yellowish easily, as well as fade and crack |
Rate of light penetration> 92% |
Rate of light penetration < 80% |
Clear at the section and keep original after fabrication |
It turns yellowish at the section. Although the recycled acrylic sheet with whitener has a lower yellowish degree, still become yellowish after a short term. |
No smell |
It becomes yellowish quickly after fabrication and generates pungent odor. |
Excellent in crack resistance and good chemical tolerance |
Inferior in dissolvent and chemical tolerance, easy to crack |
Excellent in weather tolerance |
Inferior in weather tolerance |
Well protected by high quality packing and masking paper |
Inferior packing and masking paper |
Methods to identify the recycled acrylic sheet
1. See: The appearance of recycled acrylic sheet is yellowish, especially apparent in horizontal angle.
2. Touch: The surface is easy to be scratched.
3. Smell: The recycled acrylic sheet has a strong pungent odor no matter in stock or in fabrication. When burning, there will have bubble and black smoke as well as bad smell.
4. The recycled acrylic sheet tends to deform and generate bubbles in the process of thermoform.
5. The recycled acrylic sheet is sensitive to paint and ink, easy to generate silver lines and crack.
6. The recycled acrylic sheet tends to become yellowish after exposing to the sunshine.
7. The recycled acrylic sheet is inferior in dissolvent tolerance and easy to crack.
Comparison on weather resistance among virgin acrylic、recycled acrylic and PC
Feathers of acrylic contrasting with other materials
Material |
Elasticity( kg/cm ) |
Heat deformation temperature |
Transparence |
Hardness |
PMMA |
900-1330 |
74-103 |
93-95 |
85-105 |
PS |
560-980 |
65-104 |
89 |
65-80 |
AS |
980-1330 |
88-104 |
87 |
80-90 |
PC |
95 |
130-141 |
87 |
75-85 |
PVC |
700-1120 |
66-77 |
84 |
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