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Toray E745

Toray E745 is a 135°C (275°F) cure toughened epoxy component prepreg. E745 has been developed for impact structures and other mechanically demanding structural Applicationss. E745 can be impregnated into a range of fiber and fabric types. 135°C (275°F) Cure Mid Temperature Curing Toughened Epoxy Component Prepreg.

Properties

Physical Form
Prepreg

Product families

Composite Materials — Prepregs & Molding Compounds
  • Thermoset Prepregs

Other characteristics

End Uses
Motorsport, Tanks
Functions
Prepreg
Polymer Name
Epoxy Resins & Compounds
Processing Methods
Compression Molding
Markets
  • Automotive & Transportation
  • Industrial
Technology
Composite Materials
Composites End Use
  • Motorsport
  • Tanks
Material Features
  • Excellent Toughness
  • Good Mechanical Properties
  • High Impact Resistance
HIGHLIGHTS

High toughness and impact properties; Excellent tack and drape\; 1 hour at 135°C (275°F) cure; 60 days shelf life at ambient temperature; Excellent surface finish\; Low volatile content—no solvents used during processing

Recommended Cure Cycle

Toray E745 can be successfully molded by vacuum bag, autoclave, or matched die molding techniques.; Increase autoclave pressure to 1.4 bar (20 psi) with vacuum applied; Vent to atmosphere and raise pressure to 6.2 bar (90 psi) (or max allowed by the core material).; Increase air temperature at 2°C (3.6°F)/min and hold for 1 hour at 135°C (275°F).; Allow to cool to 60°C (140°F) before removal of pressure.

Recommended Applications
  • Motorsport & Formula 1
  • Automotive
  • Industrial
  • Side impact structures
  • Mechanically demanding structural Applicationss
Composite Materials Functions
Prepreg
Composites Processing Methods
Compression Molding

Technical data

Table 1 of 2

2 rows
CharacteristicValueUnit
Tg (DMTA) after 1 hr at 135°C (275°F) Onset118 (244.4)°C (°F)
Tg (DMTA) after 1 hr at 135°C (275°F) Peak tan δ131 (267.8)°C (°F)

Table 2 of 2

1 row
CharacteristicValueUnit
Density (23°C (73.4°F))1.24 (77.4)g/cm³(lbs./ft³)

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