Durez® 31735 (Compression)

Category: Phenolic , Phenolic
Manufacturer: Sumitomo Bakelite North America, Inc.
Trademark: Durez®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: VLkOvm_Durez-31735-Compression-.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
Durez 31735 is a special purpose phenolic molding compound developed for automotive and industrial pulleys. This material is designed to optimize pulley performance relating to belt life, dimensional tolerance, impact strength, and other properties required in pulley applications.
General Information
Features
  • Good dimensional stability
  • Impact resistance, good
Uses
  • Industrial application
  • Pulley
  • Application in Automobile Field
Appearance
  • Black
Forms
  • Particles
Processing Method
  • Resin transfer molding
  • Compression molding
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.43g/cm³ASTM D792
Apparent Density 0.55g/cm³ASTM D1895
Molding Shrinkage - Flow 0.60%ASTM D6289
Water Absorption 0.50%ASTM D570
MechanicalNominal ValueUnitTest Method
Flexural Modulus - Long Term Heat Test
    177°C 180.7MPa
    177°C 244.1MPa
Tensor modulus- Long Term Heat Test
    177°C 336.5MPa
    177°C 456.5MPa
Additional InformationNominal ValueUnit
Heat Resistance (232°C) 2.0hr
Young's Modulus 8.00GPa
MechanicalNominal ValueUnitTest Method
Tensile Modulus 6900MPaASTM D638
Tensile Strength 55.0MPaASTM D638
Flexural Modulus 8270MPa
Flexural Strength 83.0MPaASTM D790
Compressive Strength 207MPaASTM D695
Poisson's Ratio 0.33
ImpactNominal ValueUnitTest Method
Notched Izod Impact 28J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load (1.8 MPa, Unannealed)177°CASTM D648
CLTE - Flow (30 to 150°C)3.6E-5cm/cm/°C
Specific Heat 1170J/kg/°C
Thermal Conductivity 0.37W/m/K
ElectricalNominal ValueUnitTest Method
Volume Resistivity 1.0E+12ohms·cmASTM D257
Dielectric Strength ASTM D149
    -- 511kV/mmASTM D149
    -- 69.8kV/mmASTM D149
Dielectric Constant (1 MHz)6.00ASTM D2520
Dissipation Factor (1 MHz)0.050ASTM D150
ThermosetNominal ValueUnit
Shelf Life 52wk
Additional InformationNominal ValueUnit
Test Specimens Molded at 340-350°FTypical transfer-molded shrinkage is 0.008 in/in
Note Message
1 .As Is
2 .1000 hrs
3 .1000 hrs
4 .As Is
5 .Method A (short time)
6 .Method B (step by step)
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