M00001343
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ISO DIS 20557-2 2015 Edition, September 17, 2015 Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Part 2: Preparation of test specimen and determination of properties
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO 20557 specifies the methods of preparation of
test specimens and the test methods to be used in determining the
properties of poly(phenylene ether) moulding and extrusion
materials. Requirements for handling test material and for
conditioning both the test material before moulding and the
specimens before testing are given here.
Procedures and conditions are described for the preparation of
test specimens, and procedures for measuring properties of the
materials from which these specimens are made are given. Properties
and test methods which are suitable and necessary to characterize
poly(phenylene ether) moulding and extrusion materials are
listed.
The properties have been selected from the general test methods
in ISO 10350-1:1998. Other test methods in wide use for, or of
particular significance to, these moulding and extrusion materials
are also included in this part of ISO 20557, as are the designatory
properties specified in ISO 20557-1.
In order to obtain reproducible and comparable test results, it
is necessary to use the methods of specimen preparation and
conditioning, the specimen dimensions and the test procedures
specified herein. Values determined will not necessarily be
identical to those obtained using specimens of different dimensions
or prepared using different procedures.