14SiSILICONZEMSIL®

ZEMSIL SR-P

Dow Corning 840

Phenyl-modified Silicone Resin

Also equivalent to: Wacker SILRES H62 C

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Clear amber solution

Appearance

60

%

Solid Content

Xylene

Solvent

60–80

°C

Softening Point

Specifications

PropertyValueUnit
Solid Content60 ± 2%
SolventXylene
Solution Viscosity @ 25°C~500mPa·s
Softening Point (neat resin)60–80°C
Phenyl Content20–30mol%

Applications

Aerospace and defense high-temperature coatings (to 350°C)High-refractive-index optical coatings and lens encapsulantsHeat-resistant enamel paint for cookware and industrial equipmentRadiation-resistant electrical insulation coatings

Key Features

  • Phenyl groups extend service temperature ceiling to 350°C
  • High refractive index ~1.50 enabling optical-grade applications
  • Radiation-resistant structure suitable for nuclear and aerospace environments

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