Bituminous mixtures - Test methods - Part 47: Determination of the ash content of natural asphalts
STANDARD published on 1.12.2023
Designation standards: ČSN EN 12697-47
Classification mark: 736160
Catalog number: 518309
Publication date standards: 1.12.2023
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies 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 a mass fraction of 45 %