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



General

Form

  Resin Pellets

Usage

  Lighting Applications   Automotive Exterior

  Automotive Lighting        Electronic Displays

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



Electrical

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



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