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Heat-resistant modified unsaturated polyester PT-310

Characteristics
      Heat-resistant modified unsaturated polyester moulding compounds possess high resistance against electrical arc and tracking, superior mechanical strength, excellent long-term dimensional stability even at elevated temperature and good flame resistance to UL94 V-0.  It has over 12 months of storage time at room temperature.  PT-310 moulding compounds have obtained UL certificate No. E208587.
Applications
      Mainly used to the insulating parts for temperature controllers for household appliances, main switches, magnet coil frames, connecting terminals, low-voltage devices and flameproof devices, etc.

 

 

Properties:

Properties

Heat-resistant modified polyester PT-310

Density

1.9~2.1 g/cm3

Water absorption   (1d / 23¡æ)

¡Ü 20 mg

Moulding shrinkage

0.4~0.7 %

Charpy impact strength

¡Ý 7.0 kJ/m2

Charpy notched impact strength

¡Ý 3.0 kJ/m2

Flexural strength

¡Ý 80.0 MPa

Surface resistivity

¡Ý 1.0 ¡Á 1013 ¦¸

Volume resistivity

¡Ý 1.0 ¡Á 1011 ¦¸¡¤m

Electric strength

¡Ý 12.0 MV/m

Comparison tracking index

¡Ý 600 V

Arc resistance

¡Ý 180 s

Thermal deflection temperature with load

¡Ý 210 ¡æ

Flammability (sample thickness 1.6 mm)

FV-0 (UL94)

Color

Various colors can be supplied according to the requirement of customers.

Product form

dry granular pellets



Processing Conditions for Reference

Compounds for Injection

Mould temperature(¡æ)

Material container temperature (¡æ)

Injection pressure
(MPa)

Curing time
(s/mm)

Moving mould

Fixed mould

Nozzle zone

Feed zone

Heat-resistant modified polyester (PT-310)

165~175

165~175

80~90

50~70

60~100

25~40

 

   
   
   
 
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