HexPly® 250 is a phenolic matrix widely used in honeycomb sandwich components for aircraft interior furnishings. The low smoke and low toxicity properties of 250 during ignition meet the requirements of FAR 25 and ATS 1000. HexPly® 250 prepreg is available in fabric reinforcements and single tows.

Polymer Name: Phenolic Compound

Functions: Prepreg

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Chemical Family
Polymer Name
Composite Materials Functions

Features & Benefits

Product Highlights
  • Qualified for aerospace and ground transport Fire, Smoke and Toxicity (FST) specifications
  • Controlled flow matrix
  • Excellent tack life
  • Self extinguishing
  • Good peel properties

Applications & Uses

Properties

Physical Form

Technical Details & Test Data

Curing Conditions

HexPly 250 system can use two cure cycles, at a pressure between 0.3 to 3 bar.

Temperature (°C) Time
135 90 min
150 30 min


Heat up rate 1 - 3°C/min
Performance testing should accompany alternative cure cycles to ensure suitability for the particular application.

Storage & Handling

Shelf Life
  • Tack life @ 23°C 60 days
  • Guaranteed shelf life @ -18°C 12 months (maximum from date of manufacture)