Category | Polymer , Thermoplastic , Acrylic (PMMA) , Acrylic, General Purpose, Molded |
Manufacturer | Chi Mei Corporation (ChiMei) |
Trade Name | Acryrex® |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Chi Mei Acryrex® CM-211 PMMA.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 0.700 g/cc | 0.0253 lb/in³ | Apparent; ASTM D1182 |
1.19 g/cc | 0.0430 lb/in³ | ASTM D792 | |
Water Absorption | 0.30 % | 0.30 % | Equilibrium; ASTM D570 |
Linear Mold Shrinkage, Flow | 0.0020 - 0.0060 cm/cm | 0.0020 - 0.0060 in/in | ASTM D955 |
Melt Flow | 16 g/10 min @Load 3.80 kg, Temperature 230 °C |
16 g/10 min @Load 8.38 lb, Temperature 446 °F |
ASTM D1238 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Rockwell M | 84 @Thickness 6.35 mm |
84 @Thickness 0.250 in |
6 mm/min; ASTM D785 |
Tensile Strength, Yield | 63.4 MPa @Thickness 3.18 mm |
9200 psi @Thickness 0.125 in |
6 mm/min; ASTM D638 |
Elongation at Break | 5.0 % @Thickness 3.18 mm |
5.0 % @Thickness 0.125 in |
2.8 mm/min; ASTM D638 |
Flexural Strength | 91.0 MPa @Thickness 6.35 mm |
13200 psi @Thickness 0.250 in |
ASTM D790 |
Izod Impact, Notched | 0.200 J/cm @Thickness 6.35 mm |
0.375 ft-lb/in @Thickness 0.250 in |
ASTM D256 |
Impact | 2.00 | 2.00 | Impact Flexural Test Notched (KJ/m²) |
18.0 | 18.0 | Impact Flexural Test Unnotched (KJ/m²) |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
Deflection Temperature at 1.8 MPa (264 psi) | 87.0 °C @Thickness 6.35 mm |
189 °F @Thickness 0.250 in |
ASTM D648 |
Vicat Softening Point | 102 °C | 216 °F | 50°C/hr; ASTM D1525 |
Flammability, UL94 | HB @Thickness 1.59 mm |
HB @Thickness 0.0625 in |
UL 94 |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Refractive Index | 1.49 | 1.49 | ASTM D542 |
Transmission, Visible | 92 % @Thickness 80.8 mm |
92 % @Thickness 3.18 in |
ASTM D1003 |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Volume Resistivity | 1.00e+15 ohm-cm | 1.00e+15 ohm-cm | ASTM D257 |
Dielectric Constant | 3.7 | 3.7 | ASTM D150 |
Dielectric Strength | 0.787 kV/mm | 20.0 kV/in | ASTM D149 |
Dissipation Factor | 0.19 | 0.19 | ASTM D150 |
Processing Properties | Metric | English | Comments |
---|---|---|---|
Rear Barrel Temperature | 180 - 190 °C | 356 - 374 °F | |
Middle Barrel Temperature | 195 - 215 °C | 383 - 419 °F | |
Front Barrel Temperature | 190 - 210 °C | 374 - 410 °F | |
Mold Temperature | 30.0 - 50.0 °C | 86.0 - 122 °F | |
Drying Temperature | 70.0 - 75.0 °C @Time 14400 sec |
158 - 167 °F @Time 4.00 hour |