Gillcore® HD is an aramid fiber (Nomex®) reinforced honeycomb which is coated with phenolic resin.

Gillcore® HD is a Nomex aramid fiber reinforced honeycomb which is coated with heat resistant phenolic resin. Gillcore® HD provides a wide range of honeycomb types, including different cell sizes, cell geometries, paper thicknesses and densities, for commercial and aerospace defense applications.


Meta-Aramid Nomex paper



Description Example

HD – 1/8 – 1.8 – OX


HD: designates aerospace grade Nomex aramid fiber


1/8 (i.e.): cell size: ¼, 1/8, 3/8 3/16 inches


1.8 (i.e.): nominal density: 1.5, 1.8, 2.0, 3.0, 4.0, 6.0, 8.0, 9.0lb/ft3


OX (i.e.): over expanded cells


HD111, HD132, HD142, HD153, HD163, HD183, HD193, HD322, HD332, HD343, HD412, HD433, HD533, HD312O, HD332O, HD342O


Hexagonal Core (ribbon dimension as block width)

Hexagonal Core (ribbon dimension as block length)

Overexpanded Core

L (Ribbon dimension)

Typical 48”




Maximum 65”

Maximum 96”

Maximum 50”

W (Dimension normal to ribbon)

Typical 96”




Maximum 144”

Maximum 48”

Maximum 144”


0.080 – 34”

0.080 – 34”

0.080 – 34”

Structural Orientation







Plate Shear:

L Direction



W Direction

Safety Datasheet


·         Physical state: Solid

·         Appearance: Flat Sheets and blocks

·         Color: brown

·         Odor: None

·         Melting point: No data available

·         Freezing point: No data available

·         Boiling point: No data available

·         Solubility: Unknown

·         Reactivity: Not reactive under normal use and conditions

·         Chemical stability: Product is stable

·         Possibility of hazardous reactions: Hazardous polymerization will not occur

·         Incompatible materials: Strong oxidizing agents, strong acids and bases, especially oxalic and hydrofluoric acid and acyl halides

·         Hazardous decomposition products: Toxic fumes and gases, carbon dioxide, carbon monoxide, hydrogen cyanide, oxides of nitrogen and other toxic and irritation gases can be produced depending on condition of combustion

Technical Datasheet


·         High strength to weight ratio

·         Corrosion resistant

·         Good fatigue and impact resistance

·         Fire resistant (self-extinguishing)

·         Excellent dielectric properties

·         Good thermal stability

·         Good formability for curve forming


·         Exterior aircraft panels including trailing and leading edges, flaps, ailerons, radomes, fairings, helicopter blades, access panels and doors

·         Sports and leisure industry such as surfboards, pleasure boats, skis and auto racing bodies

·         Ceilings, walls and floors of portable structures

·         Dividing berthing areas, staterooms and hulls for marine applications


·         Qualified to FMS 1030

·         Qualified to McDonnell Douglas DMS 1974 Gr A

·         Qualified to Lockheed STM 28-105

·         Qualified to Lockheed LCM 28-1041

·         Qualified to Northrop Grumman GC101

·         Qualified to Vought 10425.1957

·         Qualified to Cessna CMNP083, Ty II, Cl 4, Gr 1.8, 3.0, 6.0

·         Qualified to AMS 3711, Aerospace Material Standards

·         Qualified to Bell Helicopter (Textron) 299-947-10

·         Qualified to Raytheon/Beech - BS 23732

·         Qualified to AIM Aviation AIM-M-1013, AIMS 11-01-001

·         Meets the requirements of AMS-C-81986

·         Meets the requirements of Rockwell LB0130-022

·         Qualified to Airbus AIMS 11-01-001/ABS5035

·         Qualified to Lockheed C28-105

·         Qualified to Lockheed-Georgia STM 28-105. [1/8 - 1.8 (1.5) and 1/8 - 3.0 (2)]

·         DHMS P1.26 DeHavilland