Gillfab® 4022


Gillfab® 4022 is a sandwich panel with facings of woven fiberglass reinforced phenolic bonded to meta-aramid honeycomb core.


The panel is designed for use in aircraft galley and bulk head and ceiling panels in public transit vehicles, where light weight and low smoke emission are major concerns.


  • Low smoke emission
  • Good impact and corrosion resistance
  • Good burn through protection
  • Service temperature range: 180°F (80°C)


Thickness, inch (mm)0.362 (9.19)
0.378 (0.601)
0.400 (10.16)
0.500 (12.70)
0.980 (24.89)
1.200 (30.48)
Facing thickness, face/back, inch (mm)0.020/0.020 (0.508/0.508)
0.030/0.030 (0.762/0.762)
0.040/0.030 (1.016/0.762)
Length, inch (mm)Typical 96 (2,438), Maximum 144 (3,658)
Width, inch (mm)Typical 48 (1,219), Maximum 60 (1,524)
HoneycombMedium-density Gillcore® HD meta-aramid honeycomb


Adhesive: Epoxy film

Core: Meta-aramid

Facings Reinforcement: Woven fiberglass cloth

Facings Resin System: Phenolic


  • FAR 25853 Flammability

Alternative Gill Products

TGC Product No.Difference
Gillfab® 4122AUse of phenolic adhesive results in lower strength and less smoke emission.

Performance Properties, Typical

The following tests are run in accordance with DAC 9D0059 specification requirements.

TGC Part Number4022
Panel Weight, psf (kg/m2)0.943 (4.60)
Panel Thickness, inch (mm)0.403 (10.24)
Skin Thickness, face/back, inch (mm)0.040/0.030 (1.02/0.76)
Flatwise Compression, psi (Mpa)1,893 (13,05)
Long Beam Bending, lbs (N)708 (3,149)
Deflection, inch (mm)0.383 (9.73)
Drum Peel, in-lbs/3″ width (N-m/76mm width)40 (4.52)
FlammabilityMeets FAR 25.853 & 855 App F Part I and III

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

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