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Toray BTCy-1A

Toray BTCy-1A is a toughened version of the BTCy-1 cyanate ester prepreg resin system. Its proprietary toughening mechanism and controllable flow make it an ideal product for use not only as a high performance prepreg resin system, but also as an accompanying resin system for film adhesives. BTCy-1A’s straight-up, easy processing at 177°C (350°F) (under low pressures) reduces curing time and production costs, while the system’s negligible volatile emission upon cure allows low void laminates. 177°C (350°F) Cure Toughened Cyanate Ester

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
Cyanate Ester Resin
Processing Methods
Prepreg Processing
Markets
Automotive & Transportation
Technology
Composite Materials

Technical data

Table 1 of 2

3 rows
CharacteristicValueUnit
Coefficient of Thermal Expansion (CTE)77 (43)ppm/°C (ppm/°F)
Tg after 204°C (400°F) post cure207 (405)°C (°F)
Tg cured at 177°C (350°F)185 (365)°C (°F)

Table 2 of 2

4 rows
CharacteristicValueUnit
Density1.15g/cc
Dielectric Constant at 10 GHz2.7—
Loss Tangent at 10 GHz0.003—
Moisture Absorption at saturation1%

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