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Standards Development
This standard describes the reference method used for type testing and in cases of dispute for the determination of the particle density of filler by means of a pyknometer. For other purposes, in particular factory production control, other methods may be used provided that an appropriate working relationship with the reference method has been established.
This revision reflects the result of the SR ballot which closed in 2018.
The main changes in this version are:
a) Precision of the water bath temperature has been revised from (25,0 ± 0,1) °C to (25,0 ± 3,0) °C or (25,0 ± 0,5) °C depending on the liquid used. As a consequence, texts in clauses 6.3, 8, A.2.4 and B.2.4 are revised.
b) In the Scope, a reference to methods for determination of particle density of aggregates has been added.
c) The “Foreword”, “Normative references”, “Terms and definitions” and “Test report” clauses are updated.
d) Terms and definitions are clarified to correspond with definitions in EN 1097-6.
e) The “Principle”, “Preparation of test portion” and “Procedure” clauses are clarified.
f) In the “Materials” clause, low viscosity white mineral oils are added among the examples given in the note.
g) In “Procedure”, the note about adding liquid carefully is transformed into main text.
h) In the Bibliography, EN 1097-6 is added.
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