EN11612
Clothing giving protection against heat and flames

Protective clothing that is intended to provide protection against brief contact with flames and at least one type of heat. The heat can be convective, radiant or caused by large splashes of molten metal - or can occur in a combination of these effects. The requirements on limited flame spread must always be met.

Code A1-A2

= Protection against limited flame spread

Code B1-B3

= Protection against convective heat

Code C1-C4

= Protection against radiant heat

Code D1-D3

= Splashes of molten aluminium

Code E1-E3

= Splashes of molten iron

Code F1-F3

= Contact heat