Multifunctional and High-Quality PBT Polybutylene Terephthalate Particles
Dongguan Forever Co.,Ltd is the manufacture of the China origin cheap UV stablized PC polycarbonate Granules Polymer Resin
EH7020-XH is a thermoplastic polyester material with excellent performance.
It has the characteristics of good heat resistance, low moisture absorption,
chemical resistance, weather resistance, high dielectric strength,
good electrical performance, high dielectric strength, and dimensional stability.
It is easy to make fiberglass reinforced or flame-retardant products, can be welded with ultrasonic waves,
and is easy to process.
Widely used in fields such as electrical and electronic, mechanical and chemical engineering, and automobiles
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Physical | Nominal Value | Test Method | |
Density / Specific Gravity | 1.49 g/cm³ | ASTM D792 | |
Molding Shrinkage, Across Flow | Internal Method | ||
1.5 - 3.2 mm | 1.3 - 1.4 % | ||
3.2 - 4.6 mm | 1.4 - 1.5 % | ||
Molding Shrinkage, Flow | Internal Method | ||
1.5 - 3.2 mm | 1.4 - 1.6 % | ||
3.2 - 4.6 mm | 1.5 - 1.6 % | ||
Mechanical | Nominal Value | Test Method | |
Tensile Strength, Break(5 mm/min;Type I) | 57.0 MPa | ASTM D638 | |
Flexural Modulus(1.3 mm/min;50 mm;Span) | 4130 MPa | ASTM D790 | |
Flexural Strength, Break(1.3 mm/min;50 mm;Span) | 103 MPa | ASTM D790 | |
Notched Izod Impact(23 °C) | 32 J/m | ASTM D256 | |
Unnotched Izod Impact(23 °C) | 390 J/m | ASTM D4812 | |
Thermal | Nominal Value | Test Method | |
Deflection Temperature Under Load, Unannealed | ASTM D648 | ||
0.45 MPa;6.4 mm | 187 °C | ||
1.8 MPa;6.4 mm | 105 °C | ||
CLTE, Flow(-40 - 40 °C) | 5.6E-5 cm/cm/°C | ASTM E831 | |
Resin PelletsElectrical | Nominal Value | Test Method |
Dielectric Strength, in Oil(3.2 mm) | 17 kV/mm | ASTM D149 |
Dielectric Constant 60 Hz 5.0e+4 Hz 1.0e+6 Hz | 3.10 3.10 2.90 | ASTM D150 |
Dissipation Factor 50 Hz 60 Hz 1.0e+6 Hz | 3.9E-3 3.9E-3 0.014 | ASTM D150 |
Processing | Nominal Value | |
Drying Temperature<Injection> | 120 °C | |
Drying Time<Injection> | 3.0 - 4.0 hr | |
Suggested Max Moisture<Injection> | 0.020 % | |
Suggested Shot Size<Injection> | 40 - 80 % | |
Rear Temperature<Injection> | 240 - 255 °C | |
Middle Temperature<injection> | 245 - 260 °C | |
Front Temperature<Injection> | 250 - 265 °C | |
Nozzle Temperature<Injection> | 245 - 260 °C | |
Processing Temp, Melt<Injection> | 250 - 265 °C | |
Mold Temperature<Injection> | 65 - 90 °C | |
Back Pressure<Injection> | 0.300 - 0.700 MPa | |
Screw Speed <Injection> | 50 - 80 rpm | |
Vent Depth <Injection> | 0.025 - 0.038 mm | |
Injection, Drying Time, Cumulative<Injection> | 12 hrs |
