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TECNASA Tecnologías Aerospaciales S.A.

TECNASA Tecnologías Aerospaciales S.A. designs, manufactures and supplies high technical value rubber and silicone parts since 1.999.


Our industrial activity is focused on the Aeronautical and Aerospace Industry, Oil & Gas, CPI (Chemical Processing Industry), Pharmaceuticals and Laboratory Equipment.

Martin-Baker Aircraft, world leading manufacturer of ejecting seats for fighter planes, is one of our most prestigious customers. Martin-Baker ejecting seats are being currently used by more than 90 Air Forces worldwide, thanks to that, more than 7.000 lives were saved. TECNASA is a reliable supplier for Martin-Baker factories located in England, United States and Italy. The parts manufactured by TECNASA are assembled in a large number of fighter planes as Eurofighter Typhoon, Rafale, JPATS, US NAVY NACES (Navy Aircrew Common Ejection Seat), Saab Gripen or Hawk.

  • Martin-Baker
  • Martin-Baker America
  • Sicamb
  • Maxam
  • bti
  • Faes Farma
  • Qualicaps
  • SMB
  • Histocell
  • CTA

TECNASA is also the first Spanish manufacturer and supplier for the 5th Generation fighter plane Joint Strike Fighter F-35 (JSF). We have developed together with Martin-Baker a new firing handle specially designed to meet all the requirements of this plane. Besides, TECNASA manufactures the o-rings assembled into the ejecting seat gas circuit allowing the correct ignition and following ejection of the seat.

TECNASA is certified according to standards ISO 9001:2015 and UNE EN 9100:2018 for the aeronautic sector specifically. We have available a laboratory with the necessary instruments to carry out any standard test concerning to rubber parts. Our artificial vision equipments let us review all our parts dimensional and superficially, guaranteeing an excellent quality level.

TECNASA has developed a continuous improvement innovative culture in order to keep on growing into the sector and getting our market position become stronger. With this intention we have been developing the capacity to manufacture parts with perfluoroelastomers rubbers (FFKM). These rubbers point out due to their excellent chemical and thermal resistance that let them work subjected to adverse weather conditions for a number of hours previously unattainable.

TECNASA adapts to your needs, contributing our knowledge and experience to meet the strictest requirements. TECNASA gets involved in the complete process, from materials development, through tooling design, to the manufacturing of the finished part, granting us a great capacity to respond and a high level of satisfaction of all our customers.