This "NORM" is to be used to test the adhesion (layer adhesion) of asphalt layers or layers of asphalt to one another and of asphalt layers to concrete.
ONORM B 3639-2-1997 history
1997ONORM B 3639-2-1997 Asphalts for road construction and related purposes - Testing - Pull-off-resistance in contact surfaces of asphalt layers