RapidVac™ VA-255

Category: TSU , Polyurethane Thermoset Elastomer
Manufacturer: Innovative Polymers, Inc.
Trademark: RapidVac™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: WRABpe_RapidVac-VA-255.pdf
PRICE: ​Order Products​ email   sales@su-jiao.com
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Message
VA-255 is a rigid polyurethane formulated for hand-batch and vacuum cast methods. Excellent physical properties can be obtained with a room temperature cure without the utilization of mercury, MOCA, or TDI. VA-255 has excellent green strength for good demold characteristics.
General Information
Features
  • Durable
  • Good Green Strength
  • Good Mold Release
  • High Rigidity
RoHS Compliance
  • RoHS Compliant
Appearance
  • Off-White
  • White
Processing Method
  • Vacuum Casting
PhysicalNominal ValueUnitTest Method
Specific Gravity
    Hardener 1.11g/cm³
    Cured 1.14g/cm³
    Base Resin 1.25g/cm³
Molding Shrinkage - Flow 0.20 to 0.60%ASTM D2566
MechanicalNominal ValueUnitTest Method
Flexural Modulus 2760MPaASTM D790
Flexural Strength 114MPaASTM D790
ImpactNominal ValueUnitTest Method
Notched Izod Impact 53J/mASTM D256
ThermalNominal ValueUnitTest Method
Deflection Temperature Under Load ASTM D648
    0.45 MPa, Unannealed 90.0°C
    1.8 MPa, Unannealed 82.0°C
ThermosetNominal ValueUnitTest Method
Thermoset Components
    Hardener Mix Ratio by Volume: 62 Mix Ratio by Weight: 55
    Resin Mix Ratio by Weight: 100 Mix Ratio by Volume: 100
Demold Time 120 to 240min
Uncured PropertiesNominal ValueUnitTest Method
Viscosity
    25°C 10.20Pa·s
    25°C 20.35Pa·s
    25°C 31.0Pa·s
Curing Time 428hr
Gel Time 8.0 to 12min
Cured PropertiesNominal ValueUnitTest Method
Shore Hardness (Shore D)75 to 85ASTM D2240
Tensile Modulus 1930MPaASTM D638
Tensile Strength 68.9MPaASTM D638
Tensile Elongation at Break 8.0%ASTM D638
Note Message
1 .Resin
2 .Mixed
3 .Hardener
4 .24 hours at 77°F + 4 hours at 150°F
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