company tower banner
Hexcel Company Logo
HexPly® 954-2A is a 350ºF (177ºC) curing toughened cyanate resin with low moisture absorption, and excellent microcracking resistance. HexPly® 954-2A is formulated for autoclave or press molding. Recommended cure is two hours at 350ºF (177ºC). The recommended lay-up procedure is HSP-L3. The recommended cure procedure is HSP-C1 or HSP-C3. Typical applications for HexPly® 954-2A include primary and secondary aircraft structure, space structures, cryogenic tanks, or any application where impact resistance, light weight and excellent dielectric properties are required. HexPly® 945-2A can be impregnated via hot melt or solution techniques on all available fibers and fabrics.

Polymer Name: Cyanate Ester Resin

Functions: Prepreg

Processing Methods: Compression Molding, Prepreg Processing

Technical Data Sheet
  • TypeDocument Name
View All Documents

Knowde Enhanced TDS

Identification & Functionality

Composite Materials Functions

Features & Benefits

Materials Features
Product Highlights
  • Thermoplastic toughened cyanate resin
  • Low moisture absorption
  • Excellent resistance to microcracking
  • High impact resistance
  • Attractive electrical properties
  • 350ºF (177ºC) cure
  • Controlled flow processing
  • Available on broad range of fibers and in forms including tape, fabric, and tow
  • Autoclave or press mold processable

Applications & Uses

Composites Processing Methods

Properties

Physical Form