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BS EN 14974 specifies safety requirements and requirements for testing and marking
as a mass fraction expressed as milligrams per kilogram
combined or not
It implements IEC amendment 1:2016 with CENELEC endorsement A1:2016
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Bitumen and bituminous binders. Determination of the resistance to hardening under influence of heat and air - RFT method has-digital BS EN 14974 specifies safety1 Scope This part of EN 12607 specifies a method for measuring the combined effects of heat and air on a thin moving film of bitumen or bituminous binder, simulating the hardening which most bituminous binders undergo during mixing in an asphalt mixing plant. The method is suitable for other bituminous binders than paving grade bitumen, but the reference temperature might give excessive hardening that does not resemble real conditions during mixing at