Gillfab® 4223

Gillfab® 4223 image


Gillfab® 4223 is a high-strength sandwich panel composed of woven cloth fiberglass reinforced phenolic skins bonded to a Gillcore® HD meta-aramid aramid honeycomb. Designed to meet the Airbus BCC2 requirements without the application of an aluminum sheet to the top surface.


Floor panels for bulk cargo compartments in Airbus A318/A319/A320/A321/A330/A340/A300/A310/A300-600.


  • High impact strength and abrasion resistance
  • Corrosion resistant
  • Low smoke and toxicity emission
  • Self-extinguishing and resistant to flame penetration in accordance with FAR Part 25 Appendix F
  • Service temperature: to 180°F (82°C)


Thickness, inch (mm)0.496 (12.6)
Length, inch (mm)Maximum 144 (3,658)
Width, inch (mm)Maximum 60 (1,524)


Adhesive: Epoxy film

Core: Gillcore® HD meta-aramid honeycomb

Reinforcement: Woven fiberglass cloth

Resin System: Phenolic

Facing: Top: 0.050 inch (1.27 mm); Bottom: 0.020 inch (0.508 mm)


  • AI Technical Specification No. 5360 M1M 000500, Issue 3 (BCC2)
  • FAR 25.853 – fire resistant
  • ABD 0031 – Smoke density, toxicity, flammability, and burn through

Performance Properties, Typical

The following tests are run in accordance with 5360 M1M0005006 TY BCC2 (Airbus) specification test methods.

TGC Part Number4223
Weight, psf (kg/m2)1.01 (4.93)
Thickness, in (mm)0.50 (12.6)
Warpage, in/ft (mm/m)0 (0)
Impact strength, ft-lbs (N-m)13.6 (18.4)
L.B. flexural, ultimate x/-ks, lbs (N)955 (4248)
Deflection at 100 lbs (445N), in (mm)0.28 (7.1)
Drum peel, lbs/3″ width (N/76-mm width)79.1 (352)
Flammability (60 seconds vertical)Self-extinguishing time, seconds4
Burn length, in (mm)0.875 (22.2)
Drip extinguish time, seconds0

Figures shown reflect typical values and should not be used as design specifications.

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