... ,6MM 4.Alu.Thick :0.06MM~0.5MM DIN4102-1 b1 fireproof certification - aluminium composite panel 1. Structure :Aluminum composite panels ... is good at fireproof,and the FR grade is A2 ,B1(according to the standard Q B8624).8.Normal Color :More ... color ,matte color ,Brushed, signage panels ; also service Fire-Resistant B1 grade ,A grade building panels etc .10.seaworthy packing:(These ...