| 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 SAR (Super Abrasion Resistant) 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 |
|---|---|---|---|
| Hardness, Rockwell M | 100 | 100 | ASTM D785 |
| Tensile Strength, Yield | 68.9 MPa | 10000 psi | ASTM D638 |
| Elongation at Break | 4.5 % | 4.5 % | ASTM D638 |
| Tensile Modulus | 2.94 GPa | 427 ksi | ASTM D638 |
| Flexural Strength | 110 MPa | 16000 psi | ASTM D790 |
| Flexural Modulus | 3.10 GPa | 450 ksi | ASTM D790 |
| Compressive Yield Strength | 123 MPa | 17900 psi | ASTM D695 |
| Compressive Modulus | 2.94 GPa | 427 ksi | ASTM D695 |
| Shear Strength | 61.4 MPa | 8900 psi | ASTM D732 |
| Izod Impact, Notched | 0.200 J/cm | 0.375 ft-lb/in | ASTM D882 |
| Impact | 18 | 18 | inches, Falling 0.5 lb Steel Ball Breakage Height; ASTM D256 |
| Taber Abrasion, mg/1000 Cycles | 1.5 | 1.5 | 500 g each wheel, 100 rev ANSI Z26.1; ASTM D1044 |
| 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.) |
| Thermal Conductivity | 0.209 W/m-K | 1.45 BTU-in/hr-ft²-°F | Cento-Fitch |
| Maximum Service Temperature, Air | 80.0 °C | 176 °F | |
| Deflection Temperature at 1.8 MPa (264 psi) | 93.3 °C | 200 °F | ASTM D648 |
| Flame Spread | 25 mm/min | 0.98 in/min | Burning Rate UL 94 HB; ASTM D635 |
| Flash Point | 466 °C | 870 °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 | 1.43 | 1.43 | ASTM D542 |
| Haze | 0.50 % | 0.50 % | As Cast; ASTM D1003 |
| Transmission, Visible | 93 % | 93 % | As Cast; ASTM D1003 |
| UV Transmittance | 0.00 - 5.0 % @Wavelength 320 nm |
0.00 - 5.0 % @Wavelength 320 nm |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 106 °C | 223 °F | Hot Forming Temperature |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Mar Resistance | 2.3 | ASTM D637 |
| Smoke Density | 13.9% | ASTM D2843 |