Standard [WITHDRAWN]
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This European Standard describes a test method to determine the ash content in natural asphalts (including lake asphalts) and binders containing natural asphalts or bitumens. For the method to apply, it is essential that any mineral matter in the binder be finely dived and shall not exceed 45 % by mass.
This document has been replaced by: DIN EN 12697-47:2023-12 .