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Sustadur® PBT - ASTM

PBT

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Characteristics

  • Low moisture absorption
  • Good impact strength
  • Good sliding properties
  • high tensile strength and stiffness
  • Good machinability
  • good adhesive properties
  • good weldability
  • Good thermal stability
  • Good wear resistance

Technical Specifications Sustadur® PBT - ASTM

Test MethodUnitGuideline Value
DensityASTM D792g / cm31.31
Water Absorption 24 hoursASTM D570%0.25
Water Absorption SaturationASTM D570%0.4
Test MethodUnitGuideline Value
Tensile Strength at yield 73°FASTM D638psi8000
Tensile ModulusASTM D638psi425000
Elongation at BreakASTM D638%30
Flexural StrengthASTM D790psi14000
Flexural ModulusASTM D790psi425000
Rockwell HardnessASTM D78572
Izod Impact, NotchedASTM D256ft-lb/in0.6
Test MethodUnitGuideline Value
Thermal Conductivityin/hr/ft2 /°F1.4
Coefficient of Linear Thermal ExpansionASTM D696in/in/°F x10-54.0
Melting PointASTM D789°F430
Continuous Service Temperature, Air°F230
Deflection Temperature at 1.8Mpa (264psi)ASTM D648°F175
Deflection Temperature at 1.8Mpa (66psi)ASTM D648°F320
Flammability, UL941/8 inchHB
Test MethodUnitGuideline Value
Dielectric constantASTM D1501MHz3
Dielectric strengthASTM D149V/mil400
Surface resistivityASTM D257Ohm/cm>1013
Test MethodUnitGuideline Value
FDAYes
NSFNo
USDAYes

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