| Category | Polymer , Thermoplastic , Acrylic (PMMA) |
| Manufacturer | Spartech |
| Trade Name | Polycast |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Spartech Polycast Solarcryl (0.187") Cell Cast Acrylic.pdf |
| Price | EMAIL US sales@lookpolymers.com |
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.19 g/cc | 1.19 g/cc | ASTM D792 |
| Water Absorption | 0.20 % | 0.20 % | 24 hr immersion |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Yield | 59.3 MPa | 8600 psi | ASTM D638 |
| Elongation at Break | 7.0 % | 7.0 % | ASTM D638 |
| Tensile Modulus | 2.76 GPa | 400 ksi | ASTM D638 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear | 75.6 µm/m-°C @Temperature 20.0 °C |
42.0 µin/in-°F @Temperature 68.0 °F |
ASTM D696 |
| Specific Heat Capacity | 1.46 J/g-°C @Temperature 25.0 °C |
0.350 BTU/lb-°F @Temperature 77.0 °F |
Dupont 900 (Therm. An. Cal.) |
| Maximum Service Temperature, Air | 68.3 °C | 155 °F | |
| Deflection Temperature at 1.8 MPa (264 psi) | 93.3 °C | 200 °F | ASTM D648 |
| Flame Spread | 30 mm/min | 1.2 in/min | Burning Rate UL 94 HB; ASTM D635 |
| Flash Point | 443 °C | 830 °F | Self Ignition Temperature; ASTM D1929 |
| Shrinkage | 2.2 % | 2.2 % | Residual Shrinkage (Internal Strain) Polycast; ASTM D4802 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.49 | 1.49 | ASTM D542 |
| Haze | <= 1.0 % | <= 1.0 % | As Cast; ASTM D1003 |
| Transmission, Visible | 92 % | 92 % | As Cast; ASTM D1003 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 149 °C | 300 °F | Hot Forming Temperature |