DIN EN 4102-1

Fire behavior of building materials

KR = no smoke
KBA = no burning drops / dripping

DIN 4102-1 Requirements KR KBA
       
A1 non-flammable x x
A2 non-flammable x x
B1 flame retardent x x
B2 normally flammable   x
B3 easily flammable    
       

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