| Category | Polymer , Thermoplastic , Acrylic (PMMA) |
| Manufacturer | Polycasa |
| Trade Name | XT |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Polycasa XT PMMA.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 1.19 g/cc | 0.0430 lb/in³ | ISO 1183 |
| Water Absorption | 0.20 % | 0.20 % | 24h/23°C - 50x50x4mm; DIN 53495 Method 1 |
| Linear Mold Shrinkage | 0.0050 - 0.0080 cm/cm | 0.0050 - 0.0080 in/in |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Ball Indentation Hardness | 235 MPa | 34100 psi | ISO 2039-1 |
| Tensile Strength at Break | 70.0 MPa | 10200 psi | ISO 527-2 |
| Elongation at Break | 4.0 % | 4.0 % | ISO 527-2 |
| Tensile Modulus | 3.20 GPa | 464 ksi | ISO 527-2 |
| Flexural Strength | 115 MPa | 16700 psi | ISO 178 |
| Flexural Modulus | 3.30 GPa | 479 ksi | ISO 178 |
| Charpy Impact Unnotched | 1.70 J/cm² | 8.09 ft-lb/in² | ISO 179-1 |
| Charpy Impact, Notched | 0.200 J/cm² | 0.952 ft-lb/in² | ISO 179-1 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 70.0 µm/m-°C @Temperature 20.0 °C |
38.9 µin/in-°F @Temperature 68.0 °F |
DIN 53752 |
| Specific Heat Capacity | 1.47 J/g-°C | 0.351 BTU/lb-°F | IEC 1006 |
| Thermal Conductivity | 0.180 W/m-K | 1.25 BTU-in/hr-ft²-°F | DIN 52612 |
| Maximum Service Temperature, Air | 70.0 °C | 158 °F | Continuous Use |
| 90.0 °C | 194 °F | Short Term Use | |
| Vicat Softening Point | 105 °C | 221 °F | ISO 306 |
| Decomposition Temperature | >= 280 °C | >= 536 °F |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.492 | 1.492 | DIN 5036-3 |
| Transmission, Visible | 92 % @Thickness 3.00 mm |
92 % @Thickness 0.118 in |
DIN 5036-3 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | 1.00e+15 - 5.00e+15 ohm-cm | 1.00e+15 - 5.00e+15 ohm-cm | IEC 60093 |
| Surface Resistance | 3.00e+15 - 3.00e+16 ohm | 3.00e+15 - 3.00e+16 ohm | IEC 60093 |
| Dielectric Constant | 2.7 @Frequency 50 Hz |
2.7 @Frequency 50 Hz |
|
| 2.7 @Frequency 1e+6 Hz |
2.7 @Frequency 1e+6 Hz |
||
| 3.1 @Frequency 1000 Hz |
3.1 @Frequency 1000 Hz |
||
| Dielectric Strength | 30.0 kV/mm | 762 kV/in | DIN 53481 |
| Dissipation Factor | 0.020 @Frequency 1e+6 Hz |
0.020 @Frequency 1e+6 Hz |
DIN 53483-2 |
| 0.040 @Frequency 1000 Hz |
0.040 @Frequency 1000 Hz |
DIN 53483-2 | |
| 0.060 @Frequency 50 Hz |
0.060 @Frequency 50 Hz |
DIN 53483-2 |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Electrical Strength, kV/mm² | 10 | IEC 60243-1 |
| Forming Temperature, Air Pressure, °C | 140-160 | |
| Forming Temperature, Vacuum, °C | 160-190 |