Vibrathane® B821

Category: PUR-Ether/MDI , Polyurethane (Polyether, MDI)
Manufacturer: Chemtura
Trademark: Vibrathane®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 8u8gZE_Vibrathane-B821.pdf
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Message
VIBRATHANE B821 is an MDI-Polyether prepolymer designed to maximize resilience and dynamic performance. VIBRATHANE B821 processes easily with 1,4 Butanediol and with HQEE curatives.

Vibrathane B821 is characterized by:
  • Excellent low temperature properties
  • High abrasion resistance
  • Outstanding hydrolytic stability
  • High Resilience
General Information
Features
  • Good Abrasion Resistance
  • Hydrolytically Stable
  • Resilient
Forms
  • Liquid
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.09g/cm³ASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore A)90ASTM D2240
ElastomersNominal ValueUnitTest Method
Tensile Stress ASTM D412
    100% Strain 7.31MPa
    300% Strain 17.2MPa
Tensile Strength 33.1MPaASTM D412
Tensile Elongation (Break)410%ASTM D412
Tear Strength
    -- 196.3kN/mASTM D624
    Split 15kN/mASTM D470
Compression Set (70°C, 22 hr)20%ASTM D395B
Bayshore Resilience 62%ASTM D2632
ThermosetNominal ValueUnit
Thermoset Components
    Hardener Mix Ratio by Weight: 7.5
    Resin Mix Ratio by Weight: 100
Pot Life 6.0 to 7.0min
Demold Time 45 to 60min
Note Message
1 .Die C
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