Adiprene® LFP 850A

Category: PUR-Ether/PPDI , Polyurethane (Polyether, PPDI)
Manufacturer: Chemtura
Trademark: Adiprene®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: rgRU5I_Adiprene-LFP-850A.pdf
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Message
ADIPRENE® LFP 850A is a PPDI-terminated polyether prepolymer having very low free PPDI content (typical < 0.1%) for easier management of health and safety during handling. ADIPRENE LFP 850A yields a high performance 85-90 Shore A hardness elastomer when cured with VIBRACURE® A 250.

The high performance features of ADIPRENE LFP 850A are due to PPDI (p-phenylene diisocyanate), a special building block that imparts exceptional properties to cast polyurethane elastomers. The unique combination of properties exhibited by PPDI-based prepolymers is superior to those available from standard prepolymers based on TDI or MDI.

Features of ADIPRENE LFP 850A include:
  • Low Free PPDI Content
  • Excellent Dynamics
  • Good Tensile/Tear Strength and Elongation
  • Excellent Resilience
  • Excellent Hydrolytic Resistance
General Information
Features
  • Good Tear Strength
  • High Tensile Strength
  • Hydrolytically Stable
  • Resilient
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.04g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)85 to 90ASTM D2240
MechanicalNominal ValueUnitTest Method
Compressive Strength ASTM D695
    5% Strain 1.45MPa
    10% Strain 2.59MPa
    15% Strain 3.65MPa
    20% Strain 5.10MPa
    25% Strain 6.89MPa
ElastomersNominal ValueUnitTest Method
Tensile Stress ASTM D412
    100% Strain 5.52MPa
    300% Strain 8.41MPa
Tensile Strength 43.4MPaASTM D412
Tensile Elongation (Break)700%ASTM D412
Tear Strength (Split)14kN/mASTM D470
Compression Set ASTM D395B
    70°C, 22 hr 37%
    100°C, 22 hr 51%
Bayshore Resilience 71%ASTM D2632
ThermosetNominal ValueUnit
Pot Life (100°C)10min
Post Cure Time (127°C)16hr
Additional InformationNominal ValueUnit
Dynamic Properties
    Storage Modulus : 30°C 1.60E+8dynes/cm²
    Storage Modulus : 150°C 1.50E+8dynes/cm²
    Tangent Delta : 30°C 0.00900
    Tangent Delta : 150°C 0.0200
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