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SABIC Innovative Plastics Lexan® 221R PC
| Category | Polymer , Thermoplastic , Polycarbonate (PC) |
| Manufacturer | SABIC Innovative Plastics (GE Plastics) |
| Trade Name | Lexan® |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | SABIC Innovative Plastics Lexan® 221R PC.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
17.5 MFR, for small, intricate parts. Improved flame retardance. Internal mold release.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.20 g/cc | 1.20 g/cc | ASTM D792 |
| Density | 1.19 g/cc | 0.0430 lb/in³ | ASTM D792 |
| Water Absorption | 0.15 % @Time 86400 sec |
0.15 % @Time 24.0 hour |
ASTM D570 |
| Moisture Absorption at Equilibrium | 0.35 % | 0.35 % | ASTM D570 |
| 0.58 % @Temperature 100 °C |
0.58 % @Temperature 212 °F |
ASTM D570 | |
| Linear Mold Shrinkage, Flow | 0.0050 - 0.0070 cm/cm @Thickness 3.20 mm |
0.0050 - 0.0070 in/in @Thickness 0.126 in |
SABIC Method |
| Melt Flow | 17.5 g/10 min @Load 1.20 kg, Temperature 300 °C |
17.5 g/10 min @Load 2.65 lb, Temperature 572 °F |
ASTM D1238 |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Rockwell M | 70 | 70 | ASTM D785 |
| Hardness, Rockwell R | 118 | 118 | ASTM D785 |
| Tensile Strength at Break | 68.0 MPa | 9860 psi | Type I, 50 mm/min; ASTM D638 |
| Tensile Strength, Yield | 62.0 MPa | 8990 psi | Type I, 50 mm/min; ASTM D638 |
| Elongation at Break | 125 % | 125 % | Type I, 50 mm/min; ASTM D638 |
| Elongation at Yield | 7.0 % | 7.0 % | Type I, 50 mm/min; ASTM D638 |
| Flexural Yield Strength | 96.0 MPa | 13900 psi | 1.3 mm/min, 50 mm span; ASTM D790 |
| Flexural Modulus | 2.34 GPa | 339 ksi | 1.3 mm/min, 50 mm span; ASTM D790 |
| Izod Impact, Notched | 6.94 J/cm | 13.0 ft-lb/in | ASTM D256 |
| Izod Impact, Unnotched | 32.04 J/cm | 60.02 ft-lb/in | ASTM D4812 |
| Tensile Impact Strength | 546 kJ/m² | 260 ft-lb/in² | Type S; ASTM D1822 |
| Dart Drop, Total Energy | 62.0 J | 45.7 ft-lb | Instrumented Impact Energy @ peak; ASTM D3763 |
| 169 J | 125 ft-lb | ASTM D3029 | |
| Taber Abrasion, mg/1000 Cycles | 10 | 10 | CS-17, 1 kg; ASTM D1044 |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| CTE, linear, Parallel to Flow | 68.4 µm/m-°C @Temperature -40.0 - 95.0 °C |
38.0 µin/in-°F @Temperature -40.0 - 203 °F |
ASTM E 831 |
| Specific Heat Capacity | 1.25 J/g-°C | 0.299 BTU/lb-°F | ASTM C351 |
| Thermal Conductivity | 0.250 W/m-K | 1.74 BTU-in/hr-ft²-°F | ASTM C177 |
| Deflection Temperature at 0.46 MPa (66 psi) | 137 °C @Thickness 6.40 mm |
279 °F @Thickness 0.252 in |
unannealed; ASTM D648 |
| Deflection Temperature at 1.8 MPa (264 psi) | 129 °C @Thickness 6.40 mm |
264 °F @Thickness 0.252 in |
unannealed; ASTM D648 |
| Vicat Softening Point | 154 °C | 309 °F | Rate B/50; ASTM D1525 |
| UL RTI, Electrical | 130 °C | 266 °F | UL 746B |
| UL RTI, Mechanical with Impact | 130 °C | 266 °F | UL 746B |
| UL RTI, Mechanical without Impact | 130 °C | 266 °F | UL 746B |
| Flammability, UL94 | V-2 @Thickness 1.09 mm |
V-2 @Thickness 0.0429 in |
UL 94 |
| V-0 @Thickness 5.99 mm |
V-0 @Thickness 0.236 in |
UL 94 |
| Optical Properties | Metric | English | Comments |
|---|---|---|---|
| Refractive Index | 1.586 | 1.586 | ASTM D542 |
| Haze | 1.0 % @Thickness 2.54 mm |
1.0 % @Thickness 0.100 in |
ASTM D1003 |
| Transmission, Visible | 88 % | 88 % | 2.54 mm; ASTM D1003 |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Volume Resistivity | >= 1.00e+17 ohm-cm | >= 1.00e+17 ohm-cm | ASTM D257 |
| Dielectric Constant | 2.96 @Frequency 1.00e+6 Hz |
2.96 @Frequency 1.00e+6 Hz |
ASTM D150 |
| 3.17 @Frequency 50.0 - 60.0 Hz |
3.17 @Frequency 50.0 - 60.0 Hz |
ASTM D150 | |
| Dielectric Strength | 14.9 kV/mm @Thickness 3.20 mm |
378 kV/in @Thickness 0.126 in |
in air; ASTM D149 |
| Dissipation Factor | 0.00090 @Frequency 50.0 - 60.0 Hz |
0.00090 @Frequency 50.0 - 60.0 Hz |
ASTM D150 |
| 0.010 @Frequency 1.00e+6 Hz |
0.010 @Frequency 1.00e+6 Hz |
ASTM D150 | |
| Comparative Tracking Index | 250 - 400 V | 250 - 400 V | UL 746A |
| Hot Wire Ignition, HWI | 30 - 60 sec | 30 - 60 sec | UL 746A |
| High Amp Arc Ignition, HAI | 60 - 120 arcs | 60 - 120 arcs | UL 746A |
| High Voltage Arc-Tracking Rate, HVTR | 25.4 - 80.0 mm/min | 1.00 - 3.15 in/min | UL 746A |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Specific Volume | 0.83cm^3/g | ASTM D792 |
| UV-light, water exposure/immersion | F2 | UL 746C |
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