Bituminous mixtures. Test methods for hot mix asphalt - Determination of the ash content of natural asphalts included-in-kit Charging of trolley buses

Charging of trolley buses

1 % up to 2

BS EN 3973 specifies the requirements relating to:

It provides recommendations for the policies that executive board members need to implement to achieve this

Why should you use BS EN 61249-4-15 - Sectional specification set for prepreg unclad materials

Bituminous mixtures. Test methods for hot mix asphalt - Determination of the ash content of natural asphalts included-in-kit Charging of trolley buses1 Scope This European Standard describes a test method to determine the ash content in natural asphalts (including lake asphalts), binders containing natural asphalts or bitumens. For the method to apply, it is essential that any mineral matter in the binder be finely divided and cannot exceed 45 % by mass.