BJB Polyurethane WC-756 A/B

Category: PUR, Unspecified , Polyurethane
Manufacturer: BJB Enterprises, Inc.
Trademark: BJB Polyurethane
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: eY3OZP_BJB-Polyurethane-WC-756-A-B.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
WC-756 A/B is a two part, clear, 55 Shore D castable urethane that is commonly used to make clear or tinted parts of all kinds. When used at room temperature, castings 1/ 4 " thick or larger can be readily cast. Castings that are less than 1/ 4 " thick generally require a mild post-cure.

PRODUCT HIGHLIGHTS:
  • Exceptional clarity, UV and oxidation resistant
  • Tough and impact resistant
  • 15 minute working time
  • No odor, solvents or exudates
  • Good exterior weatherability
General Information
Features
  • Good Impact Resistance
  • Good Toughness
  • Good UV Resistance
  • Good Weather Resistance
  • High Clarity
  • Low to No Odor
  • Oxidation Resistant
Appearance
  • Clear/Transparent
Processing Method
  • Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity 1.07g/cm³ASTM D792
Specific Gravity
    Part A 1.077g/cm³
    Part B 1.017g/cm³
Specific Volume 0.961cm³/g
ThermosetNominal ValueUnit
Gel Time 25.0min
Work Time (25°C) 115.0min
Fill AnalysisNominal ValueUnit
Brookfield Viscosity
    Mixed : 25°C 850mPa·s
    Part A : 25°C 650mPa·s
    Part B : 25°C 675mPa·s
PhysicalNominal ValueUnitTest Method
Molding Shrinkage - Flow 0.86%ASTM D2566
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)50 to 60ASTM D2240
MechanicalNominal ValueUnitTest Method
Tensile Modulus 97.9MPaASTM D638
Tensile Strength (Yield)14.7MPaASTM D638
Tensile Elongation (Yield)720%ASTM D638
Flexural Modulus 142MPaASTM D790
Flexural Strength 3.34MPaASTM D790
ElastomersNominal ValueUnitTest Method
Tear Strength 50.3kN/mASTM D624
ImpactNominal ValueUnitTest Method
Notched Izod Impact 880J/mASTM D256
ElectricalNominal ValueTest Method
Dielectric Constant (1 MHz)3.51ASTM D150
Dissipation Factor (1 MHz)0.046ASTM D150
ThermosetNominal ValueUnit
Thermoset Components
    Part A Mix Ratio by Weight: 65, Mix Ratio by Volume: 62
    Part B Mix Ratio by Weight: 100, Mix Ratio by Volume: 100
Shelf Life 26wk
Demold Time (25°C)960 to 1400min
Note Message
1 .100g mass
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