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Toray TC420

Toray TC420 is a flow-controlled high temperature cyanate ester resin, toughened to resist microcracking. TC420 is specifically formulated to facilitate production of large out-of-autoclave structures. It can act as a self-adhesive system and is resistant to microcracking. This resin represents a new family of next generation high temperature resins, film adhesives, syntactic paste and expanding foams for ultra-high temperature conditions. TC420 is easy to process, and yields low void laminates with a flexible cure cycle under vacuum-only pressure. This system is also autoclave processable. TC420 is an attractive alternative to bismaleimide (BMI) and polyimide resins.

Polymer Name: Cyanate Ester Resin

Functions: Prepreg

Processing Methods: Out of Autoclave Prepreg, Prepreg Processing, Vacuum Bagging

End Uses: Motorsport, Radomes, Satellites, Tanks

Technical Data Sheet

Enhanced TDS

Knowde-enriched technical product data sheet

Identification & Functionality

Polymer Name
Cyanate Ester Resin
Composite Materials Functions
Prepreg
Technologies
Composite Materials
Product Families
Composite Materials — Prepregs & Molding Compounds
Thermoset Prepregs
Product Type

177°C (350°F) Cure Cyanate Ester High Temperature Toughened Cyanate Ester Resin System

Features & Benefits

Materials Features
Good Thermal Stability
Product Highlights
  • High temperature stability and resistance to microcracking
  • Capable of 260°C (500°F) extended dry service with short-term capability to 316°C (600°F)
  • Low void content with OOA/VBO cure
  • Utilizes standard 177°C (350°F) cure temperature with optional freestanding post cure at 232–260°C (450–500°F) to develop full high temperature capability

Applications & Uses

Markets
Automotive & Transportation,
Industrial
Applications
Automotive & Transportation — Automotive
Chassis & Brake,
Exterior & Body,
Interior,
Powertrain & UTH
Industrial — Chemical & Industrial Manufacturing
Equipment & Parts
Automotive & Transportation — Transportation
Aerospace & Aviation
Composites End Use
Motorsport,
Radomes,
Satellites,
Tanks
Composites Processing Methods
Out of Autoclave Prepreg,
Prepreg Processing,
Vacuum Bagging
Recommended Applications
  • Launch
  • Space & Satellite
  • Motorsport & Formula 1
  • Automotive
  • Aerostructures
  • Radome
  • Industrial
  • Heat shields
  • Ablative structure
  • Missile nose cones/nozzles
  • Supersonic aircraft
  • Attractive alternative to BMI or polyimides

Properties

Physical Form
Prepreg
Mechanical Properties
ValueUnitsTest Method / Conditions
Poisson’s Ratio0.38--
Shear Modulus1.45 (0.21)Gpa (Msi)-
Tensile Modulus3.93 (0.57)Gpa (Msi)-
Thermal Properties
ValueUnitsTest Method / Conditions
Coefficient of Thermal Expansion (CTE) at (500°F ) Post Cure55ppm/°C-
Coefficient of Thermal Expansion (CTE) at 177°C (350°F) Cure60ppm/°C-
Dry Tg 2 hours (177°C/350°F) Cure176 (349)°C (°F)-
Dry Tg After post cure 1 hour (260°C/500°F)348 (658)°C (°F)-
Wet Tg 2 hours (177°C/350°F) Cure167 (333)°C (°F)-
Wet Tg After post cure 1 hour (232°C/450°F)289 (552)°C (°F)-
Typical Properties
ValueUnitsTest Method / Conditions
Density at 177°C (350°F) Cure1.22g/cc-
Density at 260°C (500°F ) Post Cure1.2g/cc-
Outgassing (CVCM)max. 0.01%ASTM E595
Outgassing (TML)0.41%ASTM E595
Outgassing (WVR)0.28%ASTM E595

Storage & Handling

Shelf Life
  • Out Life: 21 days at 21°C (70°F) or below and 60% RH or lower
  • Frozen Storage Life: 6 months at -18°C (< 0°F) or below

Out life is the maximum time allowed at the conditions noted before cure, after a single frozen storage cycle in the original unopened packaging at -18°C (0°F) or below for a period not exceeding the frozen storage life noted above.