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Toray RS-3

Toray RS-3 is a modified cyanate ester prepreg resin developed to provide a good balance between toughness and high temperature/wet performance. RS-3 has been evaluated and qualified in the areas of satellite, airframe/missile, and dielectric structures. RS-3 is also available in several modified formulations including: RS-3C, a controlled-flow vacuum-bag/oven-cure version; and RS-3M, an extremely low-flow autoclave version. 177°C (350°F) Service Toughened Cyanate Ester Resin

Properties

Physical Form
Prepreg

Product families

Applications

Automotive & Transportation — Transportation
  • Aerospace & Aviation

Product Families

Composite Materials — Prepregs & Molding Compounds
  • Thermoset Prepregs

Other characteristics

Functions
Prepreg
Polymer Name
Cyanate Ester Resin
Processing Methods

Out of Autoclave Prepreg, Prepreg Processing, Vacuum Bagging

Markets
Automotive & Transportation
Technology
Composite Materials
Material Features
Good Balance of Properties
Recommended Applications
  • Space & Satellite
  • Radome
  • Airframe/missile structures
  • Electromagnetic/dielectric structures
Composite Materials Functions
Prepreg
Composites Processing Methods
  • Out of Autoclave Prepreg
  • Prepreg Processing
  • Vacuum Bagging

Technical data

Table 1 of 2

4 rows
CharacteristicValueUnit
Density1.19g/cc
Equilibrium Moisture Absorption0.69%
Outgassing (CVCM)0.01%
Outgassing (TML)0.22%

Table 2 of 2

4 rows
CharacteristicValueUnit
Coefficient of Thermal Expansion43 (24)ppm/°C (ppm/°F)
Dry Tg cured at 177°C (350°F)191 (375)°C (°F)
Dry Tg post cured at 232°C (450°F)254 (490)°C (°F)
Wet Tg post cured at 232°C (450°F)249 (480)°C (°F)

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