Category | Polymer , Thermoplastic , Polyester, TP , Polybutylene Terephthalate (PBT) , Polybutylene Terephthalate (PBT), Unreinforced, Molded |
Manufacturer | Gromax |
Trade Name | |
Port | Shanghai port,China |
Trade Terms | FOB, CFR, CIF |
Payment Terms | L/C, T/T, Western Union |
Download PDF | Gromax PBT 2000-104D.pdf |
Price | EMAIL US sales@lookpolymers.com |
Physical Properties | Metric | English | Comments |
---|---|---|---|
Specific Gravity | 1.44 g/cc | 1.44 g/cc | ASTM D792 |
Moisture Absorption | 0.0500 % @Time 86400 sec |
0.0500 % @Time 24.0 hour |
ASTM D570 |
Linear Mold Shrinkage | 0.0090 - 0.018 cm/cm @Thickness 1.60 mm |
0.0090 - 0.018 in/in @Thickness 0.0630 in |
horizontal; ASTM D955 |
0.012 - 0.021 cm/cm @Thickness 1.60 mm |
0.012 - 0.021 in/in @Thickness 0.0630 in |
vertical; ASTM D955 |
Mechanical Properties | Metric | English | Comments |
---|---|---|---|
Hardness, Rockwell M | 80 | 80 | ASTM D785 |
Tensile Strength | 53.9 MPa | 7820 psi | ASTM D638 |
Elongation at Break | 4.5 % | 4.5 % | ASTM D638 |
Flexural Strength | 90.0 MPa | 13100 psi | ASTM D790 |
Flexural Modulus | 2.45 GPa | 356 ksi | ASTM D790 |
Izod Impact, Notched | >= 0.294 J/cm @Thickness 6.35 mm |
>= 0.551 ft-lb/in @Thickness 0.250 in |
ASTM D256 |
Thermal Properties | Metric | English | Comments |
---|---|---|---|
CTE, linear | 90.0 µm/m-°C | 50.0 µin/in-°F | ASTM D696 |
Melting Point | 225 °C | 437 °F | DSC |
Deflection Temperature at 0.46 MPa (66 psi) | 165 °C | 329 °F | ASTM D648 |
Deflection Temperature at 1.8 MPa (264 psi) | 65.0 °C | 149 °F | ASTM D648 |
Flammability, UL94 | V-0 @Thickness 0.800 mm |
V-0 @Thickness 0.0315 in |
Electrical Properties | Metric | English | Comments |
---|---|---|---|
Volume Resistivity | 1.00e+15 ohm-cm | 1.00e+15 ohm-cm | ASTM D257 |
Surface Resistance | 1.00e+13 ohm | 1.00e+13 ohm | ASTM D257 |
Dielectric Constant | 3.3 @Frequency 60.0 Hz |
3.3 @Frequency 60.0 Hz |
ASTM D150 |
Dielectric Strength | 20.0 kV/mm @Thickness 2.00 mm |
508 kV/in @Thickness 0.0787 in |
ASTM D149 |
Dissipation Factor | 0.0010 @Frequency 60.0 Hz |
0.0010 @Frequency 60.0 Hz |
ASTM D150 |
Arc Resistance | 100 sec | 100 sec | ASTM D495 |
Processing Properties | Metric | English | Comments |
---|---|---|---|
Processing Temperature | 230 - 260 °C | 446 - 500 °F | |
Nozzle Temperature | 250 - 260 °C | 482 - 500 °F | |
Mold Temperature | 40.0 - 120 °C | 104 - 248 °F | suitable temperature 40-60°C |
Injection Pressure | 50.0 - 120 MPa | 7250 - 17400 psi | |
Hold Pressure | 30.0 - 80.0 MPa | 4350 - 11600 psi | |
Back Pressure | 0.000 - 0.300 MPa | 0.000 - 43.5 psi | |
Screw Speed | 60 - 120 rpm | 60 - 120 rpm | to be chosen in such a way that plasticizing time is just within cooling time |
Descriptive Properties | Value | Comments |
---|---|---|
Injection Rate | middle-fast |