Adiprene® L 325

Category: PUR-Ether/TDI , Polyurethane (Polyether, TDI)
Manufacturer: Chemtura
Trademark: Adiprene®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: ypX7aO_Adiprene-L-325.pdf
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ADIPRENE L 325 is a polyether-based, TDI terminated liquid urethane prepolymer that is readily processable by conventional hand and machine mixing techniques. When cured with 4,4'-methylene-bis(2-chloroaniline), this member of the ADIPRENE L family produces high quality vulcanizates in the 70-75 Shore D hardness range.

These tough, highly resilient elastomers have many unique features:
  • Excellent low-temperature flexibility
  • Excellent abrasion resistance
  • Good hydrolytic stability
  • Low compression set

ADIPRENE L 325 gives a longer working life when mixed with curatives than does ADIPRENE L 315, so it is more suitable for the preparation of large parts.
General Information
Features
  • Good Abrasion Resistance
  • Good Toughness
  • Hydrolytically Stable
  • Low Compression Set
  • Low Temperature Flexibility
  • Resilient
Forms
  • Liquid
Processing Method
  • Casting
  • Compression Molding
  • Vacuum Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.20g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)72ASTM D2240
MechanicalNominal ValueUnitTest Method
Flexural Modulus 586MPaASTM D790
ElastomersNominal ValueUnitTest Method
Tensile Stress (100% Strain)25.9MPaASTM D412
Tensile Strength 60.7MPaASTM D412
Tensile Elongation (Break)260%ASTM D412
Tear Strength (Split)20kN/mASTM D470
Compression Set (70°C, 22 hr)10%ASTM D395A
Bayshore Resilience 58%ASTM D2632
ImpactNominal ValueUnitTest Method
Notched Izod Impact 640J/mASTM D256
ThermalNominal ValueUnitTest Method
Brittleness Temperature < -70.0°CASTM D746
Heat Deflection Temperature 145°C
Additional InformationNominal ValueUnit
Abrasion Index - NBS 425
ThermosetNominal ValueUnit
Thermoset Components
    Hardener Mix Ratio by Weight: 90
    Resin Mix Ratio by Weight: 100
Pot Life 2.5min
Post Cure Time (100°C)16hr
Uncured PropertiesNominal ValueUnit
Curing Time (100°C)1.0hr
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