EN 14023:2005
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Bitumen and bituminous binders - Framework specification for polymer modified bitumens
30-04-2006
12-10-2005
This European Standard provides a framework for specifying the characteristics and relevant test methods for polymer modified bitumens which are suitable for use in the construction and maintenance of roads, airfields and other paved areas.This framework covers the following characteristics:-"Consistency at intermediate service temperature" (surrogate characteristic: penetration);-"Consistency at elevated service temperature" (surrogate characteristic: softening point);-"Cohesion";-"Durability" of consistency.The cohesion property has been included as a means of discriminating between polymer modified bitumens and other bituminous binders. The other essential requirements, "adhesion" and "setting ability" are indicated by tests carried out on the finished asphalt mixtures.The introduction of classes of convenience in Tables 1 and 2 enables the selection of the most suitable specification for the bitumen taking account of local conditions of climate and use. The nomenclature of polymer modified bitumens comprises the penetration range and the minimum softening point (see example in Annex A).
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