YT822A Aviation Grade Aramid Honeycomb
YT822A Aviation Grade Aramid Honeycomb
50% lighter than aluminium honeycomb with 9x the specific strength of steel. Dimensional stability from -80°C to 200°C. Radiation resistant. Used in aircraft, satellite and aerospace composite structures.
Priced per requirement — tell us grade, width, thickness and quantity and we quote against it.
Technical specifications
| Composition | Aramid paper honeycomb, phenolic coated |
|---|---|
| Cell size | 3–19 mm, typical |
| Density | 24–144 kg/m³, typical |
| Temperature range | −80 °C to 200 °C |
| Properties | Radiation resistant, dimensionally stable, self-extinguishing |
| Form | Blocks and sheets, cut to thickness |
| Compliance | UL, CE, RoHS, REACH |
Typical values for this material class, given as a guide. The datasheet carries the property table, test methods and tolerances for the grade and is the governing document.
Overview
YT822A is aviation-grade aramid honeycomb: a cellular core of aramid paper, phenolic coated, used as the structural centre of sandwich panels. It is roughly half the weight of aluminium honeycomb of equivalent function, and carries a specific strength several times that of steel.
In a sandwich panel almost all the bending strength comes from the skins; the core's job is to hold them apart and resist shear. A core that does that at very low density is what makes lightweight structural panels possible, which is why honeycomb is standard in aircraft interiors and secondary structure.
Why aramid rather than aluminium
- Weight — substantially lighter than aluminium honeycomb for the same job
- Corrosion — does not corrode, unlike aluminium core in a damp panel
- Dielectric behaviour — non-conductive, so it can sit inside radomes and antenna structures
- Temperature — dimensionally stable from −80 °C to 200 °C
- Radiation resistance — retains properties under sustained exposure
Key properties
- Aramid paper honeycomb with phenolic coating
- Around half the weight of equivalent aluminium honeycomb
- High specific strength — several times that of steel by weight
- Dimensionally stable from −80 °C to 200 °C
- Non-conductive and radiation resistant
- Self-extinguishing, does not melt
Applications
Aircraft interiors
Floor panels, galley and lavatory structures, cabin partitions and stowage.
Secondary structure
Fairings, control surfaces and access panels.
Radomes and antennas
Where the core must be transparent to radio frequency.
Satellite and space
Structures where mass and radiation stability both govern.
Standards and compliance
- UL recognised component — certification held by the manufacturer
- CE marked
- RoHS compliant
- REACH compliant
- Manufactured under ISO 9001:2015
Certificates of conformity and mill test certificates are supplied with each shipment. Third-party testing can be arranged on request where a specification demands independent verification.
Sizes, packing and supply
- Cell size: 3–19 mm, typical range
- Density: 24–144 kg/m³, typical range
- Form: blocks and sheets, cut to thickness; expanded or unexpanded
- Machining: profiled and chamfered cores to drawing on request
Quality and inspection
Every consignment is inspected before shipment and supplied with its mill certificate. For repeat programmes we hold the approved specification on file so a reorder repeats a known outcome rather than reopening the conversation.
Frequently asked questions
How do I choose cell size and density?
From the skin thickness, the panel span and the load. Smaller cells support thin skins better; higher density carries more shear. Send the panel construction and duty and we will recommend against it.
Can you supply it cut to shape?
Yes — cut to thickness, profiled and chamfered to drawing.
Is it qualified for aerospace use?
The material is aviation grade and the manufacturer holds the relevant certification. Whether it meets a particular airframe specification is a question for the specification — send it and we will check.
What is the difference between YT822A and YT822?
YT822A is the aviation grade. YT822 is the industrial grade, used in rail interiors and similar structures where the aerospace qualification is not required.
Does it absorb moisture?
The phenolic coating limits uptake. For long-term exposure, panel sealing and edge closeouts matter more than the core itself.
Related products
Next step
Tell us the size and quantity
Send the thickness, slit width and annual volume for https://aramidpapers.com/wp-content/themes/aramidpapers and we come back with a costed offer, a firm lead time and the mill certificate you will receive with it.