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Spartech Polycast Poly 2000 (Mil-P-25690;Class 1) Cell Cast Acrylic
| Category | Polymer , Thermoplastic , Acrylic (PMMA) |
| Manufacturer | Spartech |
| Trade Name | Polycast |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Spartech Polycast Poly 2000 (Mil-P-25690;Class 1) Cell Cast Acrylic.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Description: Cell Cast AcrylicInformation provided by Spartech.
| 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 |
| Water Absorption at Saturation | 2.6 % | 2.6 % | 26 day immersion |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength, Yield | 83.4 MPa | 12100 psi | ASTM D638 |
| Shear Strength | 25.5 MPa | 3700 psi | ASTM D732 |
| 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 | 0.187 W/m-K | 1.30 BTU-in/hr-ft²-°F | Cento-Fitch |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.49 | 1.49 | ASTM D542 |
| Haze | <= 1.5 % | <= 1.5 % | As Cast; ASTM D1925 |
| <= 3.0 % | <= 3.0 % | After 1000 hrs. Accelerated Weathering; ASTM D1449 | |
| Transmission, Visible | 90 % | 90 % | After 1000 hrs. Accelerated Weathering; ASTM D1449 |
| 91 % | 91 % | As Cast; ASTM D1003 |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 103 °C | 218 °F | Hot Forming Temperature |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Crack Propagation | 2900 lbs/in 3/2 | Received at STD Conditions |
| Craze Resistance to IPA (Dry) | 3700 psi | Mil-P-8184 |
| Craze Resistance to IPA (Wet) | 2750 psi | Mil-P-8184 |
| Craze Resistance to Lacquer Thinner (Dry) | 3300 psi | Mil-P-8184 |
| Craze Resistance to Lacquer Thinner (Wet) | 2650 psi | Mil-P-8184 |
| Thermal Relaxation at 230°F | 3.3 % | Mil-P-25690 |
| Thermal Relaxation at 293°F | 45 % | Mil-P-25690 |
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