Acrylic (SMMA)
SMMA
Acrylic (SMMA)
Acrylic (PMMA)
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Injection Moulding
Transparent Food Contact Recycled Biobased flame-retardant UV resistant
✓ This material meets the criteria ~ Specialized grades may meet this criteria
Quality Scores
Mechanics
Thermal
Chemical
UV ageing
Injection moulding difficulty
Recycling
Performance profile
Mechanical properties
| Density | 1.08 to 1.15 g/cm³ ISO 1183 |
|---|---|
| Charpy notched impact | 1.3 to 2.0 kJ/m2 |
| Flexural modulus | 3090 to 3400 MPa ISO 178 |
| Flexural resistance | 100 MPa |
| Tensile modulus | 3000 to 3300 MPa ISO 527-1 |
| Tensile resistance | 14.0 to 72.0 MPa ASTM D638, Yield |
| Tensile strain | 2.5 % ISO 527-1, -2, Break |
Chemical resistance and characteristics
Chemical resistance
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Recommended applications
- Lighting applications
- Automotive Applications
- Displays / screens
- Industrial applications
- Home appliances
- Coating applications
- Medical/health applications
- Light diffusers
- Sheet / plate
- Lentils
Frequently asked questions
Injection at 200–250 °C, mould at 50–80 °C. Pre-drying required: 4 hours at 80 °C (hygroscopic). Fragile material, sensitive to residual stresses. Low shrinkage (0.2–0.8 %). Well-polished nozzles required.
PMMA can be recycled by depolymerisation back into pure MMA monomer – high-value chemical recycling. Mechanical recycling is possible but degrades transparency. Applications in building and signage.
PMMA is approved for indirect food contact (specific FDA, EFSA grades). Suitable for food displays without prolonged direct contact with acidic or fatty foods.
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