Adiprene® L 767

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: bIAhzB_Adiprene-L-767.pdf
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ADIPRENE L 767 is a TDI polyether-based liquid urethane prepolymer which is readily processable by conventional hand and machine mixing techniques. ADIPRENE L767 produces high quality elastomers in the 62D durometer hardness range when cured with 4,4'-methylene-bis (2-chloroaniline), and the 53 D durometer hardness range when cured with CAYTUR® 21DA.

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

These properties suggest the use of ADIPRENE L 767 in applications such as wheels, rolls, or spraying.
General Information
Features
  • Good Abrasion Resistance
  • Good Toughness
  • Hydrolytically Stable
  • Low Temperature Flexibility
  • Resilient
Uses
  • Wheels
Forms
  • Liquid
Processing Method
  • Casting
  • Compression Molding
  • Spraying
  • Vacuum Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.14g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)62ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress (100% Strain)18.6MPaASTM D412
Tensile Strength 44.8MPaASTM D412
Tensile Elongation (Break)290%ASTM D412
Tear Strength (Split)22kN/mASTM D470
Compression Set (70°C, 22 hr)36%ASTM D395B
Bayshore Resilience 45%ASTM D2632
Clash-Berg Modulus ASTM D1043
    -57°C 427MPa
    -40°C 310MPa
    -18°C 172MPa
    24°C 68.9MPa
ThermosetNominal ValueUnit
Thermoset Components
    Hardener Mix Ratio by Weight: 24
    Resin Mix Ratio by Weight: 100
Pot Life 1.0min
Post Cure Time (70°C)16hr
Additional InformationNominal ValueUnit
Abrasion Index - NBS 380
Uncured PropertiesNominal ValueUnit
Curing Time (100°C)1.0hr
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