Category | Polymer , Thermoplastic , Polycarbonate (PC) , Polycarbonate, Molded |
Manufacturer | Covestro |
Trade Name | Makrolon® |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Covestro Makrolon® 3258 Polycarbonate, General Purpose, Mold Release, Biocompatibility.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Density | 1.20 g/cc | 0.0434 lb/in³ | ASTM D792 |
Water Absorption | 0.15 % | 0.15 % | 24 hour immersion; ASTM D570 |
Water Absorption at Saturation | 0.35 % | 0.35 % | Equilibrium Immersion; ASTM D570 |
Linear Mold Shrinkage | 0.0060 - 0.0080 cm/cm | 0.0060 - 0.0080 in/in | ASTM D955 |
Melt Flow | 4.5 g/10 min @Load 1.20 kg, Temperature 300 °C |
4.5 g/10 min @Load 2.65 lb, Temperature 572 °F |
ASTM D1238 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Rockwell M | 75 | 75 | ASTM D785 |
Hardness, Rockwell R | 118 | 118 | ASTM D785 |
Tensile Strength, Ultimate | 72.0 MPa | 10400 psi | ASTM D638 |
Tensile Strength, Yield | 63.0 MPa | 9140 psi | ASTM D638 |
Elongation at Break | 125 % | 125 % | ASTM D638 |
Elongation at Yield | 6.0 % | 6.0 % | ASTM D638 |
Tensile Modulus | 2.40 GPa | 348 ksi | ASTM D638 |
Flexural Yield Strength | 86.0 MPa | 12500 psi | at 5% strain; ASTM D790 |
Flexural Modulus | 2.28 GPa | 331 ksi | ASTM D790 |
Izod Impact, Notched | 9.60 J/cm @Thickness 3.17 mm |
18.0 ft-lb/in @Thickness 0.125 in |
ASTM D256 |
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 |
ASTM D696 |
Specific Heat Capacity | 1.20 J/g-°C | 0.287 BTU/lb-°F | ASTM D2766 |
Thermal Conductivity | 0.200 W/m-K | 1.39 BTU-in/hr-ft²-°F | ASTM C177 |
Deflection Temperature at 0.46 MPa (66 psi) | 142 °C | 288 °F | Unannealed; ASTM D648 |
Deflection Temperature at 1.8 MPa (264 psi) | 132 °C | 270 °F | Unannealed; ASTM D648 |
Vicat Softening Point | 157 °C | 315 °F | Rate A; ASTM D1525 |
UL RTI, Electrical | 125 °C @Thickness 1.50 mm |
257 °F @Thickness 0.0591 in |
UL746B |
UL RTI, Mechanical with Impact | 115 °C @Thickness 1.50 mm |
239 °F @Thickness 0.0591 in |
UL746B |
UL RTI, Mechanical without Impact | 125 °C @Thickness 1.50 mm |
257 °F @Thickness 0.0591 in |
UL746B |
Flammability, UL94 | HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
|
HB @Thickness 1.50 mm |
HB @Thickness 0.0591 in |
||
Oxygen Index | 26 % | 26 % | ASTM D2863 |
Optical Properties | Metric | English | Comments |
---|---|---|---|
Refractive Index | 1.586 | 1.586 | ASTM D542 |
Haze | 1.0 % @Thickness 3.17 mm |
1.0 % @Thickness 0.125 in |
ASTM D1003 |
Transmission, Visible | 88 % @Thickness 3.20 mm |
88 % @Thickness 0.126 in |
ASTM D1003 |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Electrical Resistivity | 1.00e+16 ohm-cm | 1.00e+16 ohm-cm | ASTM D257 |
Surface Resistance | 1.00e+15 ohm | 1.00e+15 ohm | ASTM D257 |
Dielectric Constant | 2.9 @Frequency 1e+6 Hz |
2.9 @Frequency 1e+6 Hz |
ASTM D150 |
3.0 @Frequency 60 Hz |
3.0 @Frequency 60 Hz |
ASTM D150 | |
Dielectric Strength | 30.0 kV/mm @Thickness 1.60 mm |
762 kV/in @Thickness 0.0630 in |
ASTM D149 |
Dissipation Factor | 0.00090 @Frequency 60 Hz |
0.00090 @Frequency 60 Hz |
ASTM D150 |
0.010 @Frequency 1e+6 Hz |
0.010 @Frequency 1e+6 Hz |
ASTM D150 | |
Arc Resistance | 120 sec | 120 sec | Tungsten Electrodes; ASTM D495 |
Comparative Tracking Index | >= 600 V @Thickness 3.00 mm |
>= 600 V @Thickness 0.118 in |
UL Rating PLC 0 (>600 V) |
Hot Wire Ignition, HWI | 30 - 60 sec @Thickness 3.00 mm |
30 - 60 sec @Thickness 0.118 in |
UL Rating PLC 2 (30-60 sec) |
High Amp Arc Ignition, HAI | >= 120 arcs @Thickness 1.50 mm |
>= 120 arcs @Thickness 0.0591 in |
UL Rating PLC 0 (>120 arcs) |
High Voltage Arc-Tracking Rate, HVTR | 10.0 - 25.4 mm/min @Thickness 3.00 mm |
0.394 - 1.00 in/min @Thickness 0.118 in |
UL Rating PLC 1 (10-25.4 mm/min.) |