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
T or M depending on the platform for the USA
In the UK it is a 15 not sure if it varies between countries.
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.