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Toray RS-36

Toray RS-36 is an advanced modified epoxy system for structural composite Applicationss. RS-36 offers an excellent balance of mechanical properties, low moisture absorption, high glass transition temperatures, and a range of processing options. A higher Tg version, RS-36-1, with similar mechanical properties, is available. 177°C (350°F) Cure Epoxy Resin System

Polymer Name: Epoxy Resins & Compounds

Functions: Prepreg

Processing Methods: Out of Autoclave Prepreg, Vacuum Bagging

Technical Data Sheet

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Identification & Functionality

Composite Materials Functions

Features & Benefits

Product Highlights
  • Excellent balance of Tg, toughness, modulus, and mechanical properties
  • Low moisture absorption and low outgassing
  • Qualified for satellite and high-modulus fiber Applicationss

Applications & Uses

Composites Processing Methods
Recommended Applications
  • Space & Satellite
  • Dimensionally stable structure
Processing Method

Recommended processing for RS-36 is described below. Special moisture control procedures and bleed bagging materials required for cyanate ester resin systems are not necessary for RS-36

CURE PARAMETERS: 

  • Apply vacuum and leak check. For autoclave or press cycles apply pressure of 45–85 psi
  • Heat to 177°C (350°F) (5°C/+10°F) at 2°C (5°F) per minute ± 3°F/1.5°C per minute
  • Hold at 177°C (350°F) for 90 minutes (+15 min/-0 min)
  • For autoclave cures at 40–85 psig, vent to atmosphere at 20 psig or maintain dynamic vacuum, depending on structural Applications
  • Cool at 5°F/min to below 60°C (140°F). Release vacuum and autoclave pressure

Toray RS-36 - Processing Method

Properties

Physical Form
Typical Properties
ValueUnitsTest Method / Conditions
Density1.24g/cc
Gel time at 177°C (350°F)15–25minuteASTM D 3532
Moisture Absorption after 30 days at 82°C (180°F)3%
Outgassing (CVCM)0.01%ASTM E 595
Outgassing (TML)0.4%ASTM E 595
Outgassing (TML-WVR)0.12%ASTM E 595
Outgassing (WVR)0.17%ASTM E 595
Thermal Properties
ValueUnitsTest Method / Conditions
Dry Tg by RDA (RS-36)181 (358)°C (°F)
Dry Tg by RDA (RS-36-1)190 (374)°C (°F)

Storage & Handling

Shelf Life
  • Out Life: Up to 30 days at ambient
  • Frozen Storage Life: 12 months at -18°C (< 0°F)

Out life is the maximum time allowed at ambient temperature before cure.