The FIA checking out its latest holding garments requirements, which stipulate that from 2020, bustle fits needs so to withstand enlighten flame for no longer no longer up to 12 seconds.

I used to be strange too.

…Nomex®, a fireplace-resistant, gentle-weight man made fibre which undergoes thermal checking out within the laboratory. It is miles subjected to an birth flame with a temperature of 300 to 400 levels Celsius that acts on the discipline materials from a distance of three centimetres – handiest if it fails to ignite inside 10 seconds can it be weak in a driver’s overalls.

…The fundamental level of 41 levels Celsius might well well well no longer be exceeded contained within the final for no longer no longer up to 11 seconds.

https://www.formula1.com/en/championship/inside-f1/security/helmets-hans-garments/Garments.html

So I verbalize meaning it will most likely perhaps not catch fire for ten seconds and then it must discontinue burns to the wearer for an additional one 2nd? No longer obvious I am finding out that precisely.

Here’s what the final paragraph of the article says:

Form you already know …that drivers in an overall comprised of Nomex® fibre can survive for 11 seconds in temperatures of 840 levels Celsius.

So in most cases they’re checking out to look for if it will final an additional one 2nd versus latest requirements.