Product Description
General purpose grade of PMMA is largely divided into injection and extrusion purpose. Various pellet type of grades fit for the properties of customer products are available.
Physical | Nominal Value Unit | Test Method |
Specific Gravity | 1.18 g/cm³ | ASTM D792 |
Melt Mass-Flow Rate (MFR) (230°C/3.8 kg) | 5.0 g/10 min | ASTM D1238 |
Molding Shrinkage – Flow | 0.20 to 0.50 % | ASTM D955 |
Water Absorption (24 hr) | 0.30 % | ASTM D570 |
Mechanical | Nominal Value Unit | Test Method |
Tensile Strength (Yield) | 66.7 MPa | ASTM D638 |
Tensile Elongation (Yield) | 8.0 % | ASTM D638 |
Flexural Modulus | 3300 MPa | ASTM D790 |
Flexural Strength (Yield) | 133 MPa | ASTM D790 |
Impact | Nominal Value Unit | Test Method |
Notched Izod Impact | 15 J/m | ASTM D256 |
Hardness | Nominal Value Unit | Test Method |
Rockwell Hardness (M-Scale) | 96 | ASTM D785 |
Thermal | Nominal Value Unit | Test Method |
Deflection Temperature Under Load
1.8 MPa, Unannealed |
89.0 °C |
ASTM D648 |
Vicat Softening Temperature | 109 °C | ASTM D1525 4 |
CLTE – Flow | 0.000060 cm/cm/°C | ASTM D696 |
RTI Elec (1.50 mm) | 50.0 °C | UL 746 |
RTI Imp (1.50 mm) | 50.0 °C | UL 746 |
RTI Str (1.50 mm) | 50.0 °C | UL 746 |
Flammability | Nominal Value Unit | Test Method |
Flame Rating
— |
HB |
UL 94 |
1.50 mm, All | HB | |
Optical | Nominal Value Unit | Test Method |
Refractive Index | 1.490 | ASTM D542 |
Transmittance (3000 µm) | 92.0 % | ASTM D1003 |
Haze (3000 µm) | 0.50 % | ASTM D1003 |
Yellowness Index (3.00 mm) | 0.40 YI | ASTM D1925 |
Specification: PMMA MOULDING-LG-LG840
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