Toray RS-17B

Chemical Family: Epoxy & Epoxy Derivatives

Toray RS-17B is a modified epoxy resin that delivers extremely low moisture absorption while providing excellent mechanical properties, toughness, and modulus. RS-17B is a flexible cure system that may be cured from 135°C to 177°C (275°F to 350°F). RS-17B has a long spaceflight heritage. 135°C–177°C (275°F–350°F) Cure Epoxy.

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: Epoxy Resins & Compounds
Processing Methods: Out of Autoclave Prepreg, Prepreg Processing, Vacuum Bagging
Markets: Automotive & Transportation
Technology: Composite Materials
Material Features: Good Mechanical Properties
Improved Flexibility
Low Water Absorption
HIGHLIGHTS: Ambient out life of 4 weeks; Excellent tack and drape; Cures in 3 hours at 135°C (275°F) or 2 hours at 177°C (350°F); Flexible, robust range of process cycles; Extremely low moisture absorption; Excellent balance of mechanical properties and toughness; Autoclave and press consolidation
Recommended Applications: Space & Satellite
Aerospace Structures
Composite Materials Functions: Prepreg
Composites Processing Methods: Out of Autoclave Prepreg
Prepreg Processing
Vacuum Bagging

Technical data

Table 1 of 2

3 rows

Characteristic	Value	Unit
Tg, dry, DMA (after 135°C/275°F + 163°C/325°F)	171 (340)	°C (°F)
Tg, dry, DMA (after 135°C/275°F + 177°C/350°F)	178 (352)	°C (°F)
Tg, dry, DMA (after 135°C/275°F)	158 (316)	°C (°F)

Table 2 of 2

5 rows

Characteristic	Value	Unit
Density	1.19	g/cc
Equilibrium Moisture Absorption	2.7	%
Outgassing (CVCM) laminate	0.02	%
Outgassing (TM) laminate	0.14	%
Outgassing (WVR)	0.34	%