In the UK it BS 476 and is usually FR 0 or FR 1.
This is retardent but not fire proof.
8.4
13
12a
The rock
You have to get high fives
64.1cc
13 and up.
it hasn't come out yet
In the UK it is a 15 not sure if it varies between countries.
T or M depending on the platform for the USA
The rating is (M)-ature (Violence and not apt for kids)
a f-250 has a 3/4 ton rateing and a f-350 has a 1 ton rateing unless they have changed it. in Chevrolet 1500 is 1/2 ton, 2500 is 3/4 ton and 3500 is a 1 ton.