Only Muirhead leather is tested to the high standards described below. No other level matches Muirhead's proven levels of performance.

We are the only leather company with test facilities recognised by the Civil Aviation Authority, and we have approvals to carry out Vertical Burn, Combination Burn and ABD00031 Smoke Density and Toxicity testing in-house.

In-House Testing

- Our in-house facility is one of only three CAA approved in the UK.
- Leathers tested to resist flame at high temperatures.
- Toxicity testing ensures no vapours when leather burns.
- Independence of testing facility safeguards objectivity of accreditation.
- We are trusted to test competitor products.

Approved to carry out and provide full DER certification to the following airworthiness requirements:
- JAR 25.853 para (a) appendix F/Part 1/a/1/ii (12 second vertical burn test)
- JAR 25.853 para (a) appendix F/Part 1/a/1/i (60 second vertical burn test)
- JAR 25.853 para (b) appendix F/Part II ("C" burn, combination Kerosene Oil Burner test)
- JAR 25.853c (Change 14) appendix F/Part V (Smoke density)
- Airbus ABD0031 para 7.3.2 Issue C Smoke Density (Flaming Mode only)
- Airbus ABD0031 para 7.4 Issue C Toxicity

In addition, the Voyager, Sateen and Arisaig Ranges have been treated with Muirhead's FR system which has an integrated protected
barrier against fire. This sets new standards in Fire Retardancy for the leather industry.