InvisiSil™ IVS4742

Category: Silicone , Silicone
Manufacturer: Momentive Performance Materials Inc.
Trademark: InvisiSil™
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: Pbhk7W_InvisiSil-IVS4742.pdf
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Message
InvisiSil IVS4742 is a two-component, addition cure silicone rubber designed for optical device coating. This product cures with heat to an elastomer.

Key Features and Benefits
  • Low viscosity allows for excellent flowability
  • Excellent transparency
  • Cures fast with heat and adheres to parts
  • Convenient 1:1 mix ratio by weight
  • Excellent adhesion to Polyphthalamide (PPA)

Potential Applications
  • Coating and potting of optical device
  • LED Encapsulant and Lens
General Information
Features
  • Fast Cure
  • Good Adhesion
  • Heat Cure
  • High Clarity
  • High Flow
  • Low Viscosity
Uses
  • Coating Applications
  • Optical Applications
Appearance
  • Clear/Transparent
Processing Method
  • Encapsulating
  • Potting
PhysicalNominal ValueUnit
Density 1.05g/cm³
ThermalNominal ValueUnit
CLTE - Flow 2.7E-4cm/cm/°C
OpticalNominal Value
Refractive Index 1.410
ThermosetNominal ValueUnit
Thermoset Components
    Part A Mix Ratio by Weight: 1.0
    Part B Mix Ratio by Weight: 1.0
Uncured PropertiesNominal ValueUnit
Color
    -- 1Clear/Transparent
    -- 2Clear/Transparent
Viscosity
    23°C 32.4Pa·s
    23°C 44.2Pa·s
    23°C 514Pa·s
Curing Time (150°C)0.033hr
Pot Life (23°C)1400min
Cured PropertiesNominal ValueUnit
Shore Hardness (Shore A)71
Lap Shear Strength 2.70MPa
Tensile Strength 11.0MPa
Tensile Elongation at Break 70%
Electric Strength 33kV/mm
Relative Permittivity (60 Hz)2.80
Volume Resistivity 1.0E+16ohms·cm
Dissipation Factor (60 Hz)1.0E-3
Note Message
1 .Part B
2 .Part A
3 .Part B
4 .After Mixing
5 .Part A
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