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          Guilin Coninst -- With the longest history in the field of electrical contact materials in China         
          Guilin Coninst -- The leader of the electrical contact technology of China  
                 
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          Tracking resistant modified polyester PT-610

          Characteristics
               Tracking resistant 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 low water absorption.  It has over 12 months of storage time at room temperature. 
          Applications
                Mainly used to the insulating parts for highly reliable wire-spring connectors for computers, communication plug-in units and terminals of electric motors, IC block housings, and relay holders, etc.

           

          Properties

          Properties

          Tracking resistant modified polyester PT-610

          Density

          ≤ 1.85 g/cm3

          Water absorption   (1d / 23℃)

          ≤ 20 mg

          Moulding shrinkage

          0.4~0.9 %

          Charpy impact strength

          ≥ 5.0 kJ/m2

          Charpy notched impact strength

          -

          Flexural strength

          ≥ 60.0 MPa

          Surface resistivity

          ≥ 1.0 × 1014 Ω

          Volume resistivity

          ≥ 1.0 × 1012 Ω·m

          Electric strength

          ≥ 13.0 MV/m

          Comparison tracking index

          ≥ 500 V

          Arc resistance

          ≥ 180 s

          Thermal deflection temperature with load

          ≥ 210 ℃

          Flammability (sample thickness 3.2 mm)

          FV-0 (UL94)

          Product form

          dry granular pellets


          Processing Conditions for Reference:

          Compounds for Injection

          Mould temperature ()

          Material container temperature ()

          Injection pressure
          (MPa)

          Curing time
          (s/mm)

          Moving mould

          Fixed mould

          Nozzle zone

          Feed zone

          Creepage-resistant modified polyester (PT-610)

          165~175

          165~175

          80~90

          50~70

          60~100

          25~40



          Compounds for compression

          Mould temperature ()

          Moulding pressure (MPa)

          Curing time (s/mm)

          Creepage-resistant modified polyester (PT-610)

          165~175

          15~20

          40~60


           

             
           
           
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