Epoxy resins for aerospace applications encompass one- and two-part thermoset systems, including toughened, high-temperature, and cryogenic-grade formulations, used as matrix materials in RTM, VARTM, wet lay-up, and filament-winding processes, as well as film adhesives and potting compounds qualifying to standards such as BMS and MIL-PRF specifications.
How many distinct aircraft programmes each supplier in this area is linked to in our database — a proxy for how widely established a company is across the industry. Bars are relative to the top-ranked supplier.
Whether supply here is concentrated in a few big players or spread across many. Top-5 share is the portion of all programme links held by the five largest suppliers. HHI (Herfindahl–Hirschman Index) runs 0–10,000: under ~1,500 is competitive, over ~2,500 is concentrated.
Where the listed suppliers in this area are based, by country of head office. Useful for sourcing, near-shoring and understanding regional strengths.