Adiprene® L 42

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: acHX1o_Adiprene-L-42.pdf
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ADIPRENE L 42 is a liquid urethane elastomer which yields high quality vulcanizates of 80 durometer A hardness when cured with MBCA. ADIPRENE L 42 products have good tear strength, good abrasion resistance, and excellent flex life. They are very flexible at low temperatures having a torsional modulus of 10,000 psi (703 kg./sq. cm.) at -80°F (-62°C), and a brittleness temperature of -130°F (-90°C). ADIPRENE L 42 has been found suitable for the preparation of rolls, solid tires, diaphragms, boots, and for other applications where good flex life is needed. It should also be considered for making seals, bushings, and mountings for use at very low temperatures. ADIPRENE L 42 resembles ADIPRENE L-100 in its processing and handling characteristics, and can be processed in the same type of automatic mixing equipment used to process ADIPRENE L-100.
General Information
Features
  • Good Abrasion Resistance
  • Good Tear Strength
  • Low Temperature Flexibility
  • Resilient
Uses
  • Bushings
  • Diaphragms
  • Footwear
  • Seals
Forms
  • Liquid
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.07g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness ASTM D2240
    Shore A, 24°C 175
    Shore A, 24°C 280
    Shore A, 100°C 80
ElastomersNominal ValueUnitTest Method
Tensile Stress ASTM D412
    100% Strain, 24°C 32.59MPa
    100% Strain, 24°C 42.76MPa
    100% Strain, 100°C 2.76MPa
    300% Strain, 24°C 53.79MPa
    300% Strain, 24°C 64.31MPa
    300% Strain, 100°C 4.31MPa
Tensile Strength ASTM D412
    24°C 717.9MPa
    24°C 820.7MPa
    100°C 11.7MPa
Tensile Elongation ASTM D412
    Break, 24°C 9780%
    Break, 24°C 10800%
    Break, 100°C 650%
Tear Strength ASTM D470
    Split 115.3kN/m
    Split 1211kN/m
    Split 1312kN/m
Compression Set (70°C, 22 hr)45%ASTM D395B
Bayshore Resilience 70%ASTM D2632
AgingNominal ValueUnitTest Method
Change in Volume ASTM D471
    50°C, 168 hr 14180%
    50°C, 168 hr, in ASTM Oil #3 25%
    50°C, 168 hr, in Methylethylketone 500%
    50°C, 168 hr, in Reference Fuel B 60%
ThermosetNominal ValueUnit
Thermoset Components
    Hardener Mix Ratio by Weight: 8.8
    Resin Mix Ratio by Weight: 100
Pot Life (100°C)6.0 to 12min
Demold Time (100°C)45 to 60min
Post Cure Time (24°C)170hr
Additional InformationNominal ValueUnit
Abrasion Index - NBS 110
Uncured PropertiesNominal ValueUnit
Curing Time (100°C)3.0hr
Note Message
1 .100% R.H.
2 .60% R.H.
3 .100% R.H.
4 .60% R.H.
5 .100% R.H.
6 .60% R.H.
7 .100% R.H.
8 .60% R.H.
9 .100% R.H.
10 .60% R.H.
11 .100°C
12 .100% R.H.
13 .60% R.H.
14 .in Toluene
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