Product

TC346 New

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Product description

Toray TC346 is a high temperature epoxy component prepreg developed for structural applications within Formula 1, NASCAR, and high performance automotive.

Toray TC346 is designed to deliver enhanced compression properties to manufactured parts while maintaining a good fracture toughness. When exposed to elevated temperature environments, TC346 composites demonstrate excellent retention of mechanical performance.

Toray TC346 resin system meets SFI specification 56.1 and UL94 V-0 flame-retardancy tests1, further demonstrating
how the system is ideally suited to satisfy the rigorous demands of the high performance automotive and motorsport
markets.

Product benefits/features

  • Tg 208°C (406°F) after 180°C (356°F) cure cycle
  • Structural system—mechanical performance optimized for compression, short-beam shear, fracture toughness
  • Excellent retention of properties at elevated temperatures
  • Toughened system—good interlaminar fracture toughness energy achieved without significant compromise of compression properties
  • Flame-retardant test material: TC346 HM0545 200gsm 2x2 Twill HM63 12K 42% Resin Content - SFI 56.1 (1-ply thickness) - UL94 V-0 (2 mm thickness)
  • Controlled tack level to aid laminating
  • Controlled resin flow during recommended cure cycle

Market segments

  • Motorsport & Formula 1
  • Automotive

Details

Product category Thermoset Prepreg
Processing Post curable
Autoclave
Resin type Epoxy
Tg (Dry, onset) 221 °C / 429 °F
Cure temperature (Optimal) 180 °C / 356 °F
Cure temperature (Lowest) 135 °C / 275 °F
Out life 21
Post curable

Need more information?

At Toray our goal is your success. If you have any questions or would like to learn more, please contact us. 

Toray Advanced Composites UK

Toray Advanced Composites UK
Send email +44 1773 530899

Need more information?

At Toray our goal is your success. If you have any questions or would like to learn more, please contact us. 

Toray Advanced Composites USA

Toray Advanced Composites USA
Send email +1 (408) 465 8500

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