Adiprene® LF 1930A

Category: PUR-Ester/TDI , Polyurethane (Polyester, TDI)
Manufacturer: Chemtura
Trademark: Adiprene®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: ZZ7NEg_Adiprene-LF-1930A.pdf
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Message
ADIPRENE LF 1930A is a TDI-terminated polyester prepolymer having very low free TDI content. This prepolymer also has low viscosity, which allows it to be processed at reduced temperature for better heat stability and longer pot life. It yields a high performance 93 Shore A hardness elastomer when cured with 4,4'-methylene-bis-[o-chloroaniline], commonly called MBCA.

Features of ADIPRENE LF 1930A include:
  • Low Free TDI Content
  • Low Viscosity
  • Long Pot Life
  • High Tear and Tensile Strength
General Information
Features
  • Low viscosity
  • High tensile strength
  • Good tear strength
  • Good wear resistance
Uses
  • Wheels
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.28g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)92 - 94ASTM D2240
MechanicalNominal ValueUnitTest Method
Compressive Strength ASTM D695
    5% strain 2.55MPaASTM D695
    10% strain 4.00MPaASTM D695
    15% strain 5.52MPaASTM D695
    20% strain 7.58MPaASTM D695
    25% strain 10.3MPaASTM D695
FilmsNominal ValueUnitTest Method
Trouser Tear Resistance 64.8N/mmASTM D1938
ElastomersNominal ValueUnitTest Method
Tensile Stress ASTM D412
    100% strain 11.7MPaASTM D412
    200% strain 15.2MPaASTM D412
    300% strain 22.1MPaASTM D412
Tensile Strength 50.0MPaASTM D412
Tensile Elongation (Break)490%ASTM D412
Tear Strength
    -- 1121kN/mASTM D624
    Cracking 28kN/mASTM D470
Compression Set (70°C, 22 hr)33%ASTM D395B
Bayshore Resilience 27%ASTM D2632
ThermosetNominal ValueUnit
Pot Life 6.0 - 8.0min
Demold Time 25 - 35min
Uncured PropertiesNominal ValueUnit
Curing Time (100°C)6.0hr
Note Message
1 .C mould
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