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NS EN ISO 4612 : 1ED 1999
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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PLASTICS - PREPARATION OF PVC PASTES FOR TEST PURPOSES - PLANETARY-MIXER METHOD
16-03-2019
12-01-2013
Defines two procedures, A and B, for the preparation of pastes (also known as plastisols) from appropriate PVC plasticizers, resins and other ingredients by means of a planetary mixing process. Both methods can be used to prepare pastes of any composition. Method A (single-speed) is particularly applicable to resins prone to heat build-up during paste preparation, while Method B (two-speed) might be preferred for repetitive work, e.g. for process control during resin manufacture, because of its shorter mixing time. Such pastes may be used for a variety of test purposes, including the determination of rheological properties for resin specification and designation.
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