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  • BSI
    BS ISO 247-1:2018 Rubber. Determination of ash - Combustion method
    Edition: 2018
    $266.02
    / user per year

Description of BS ISO 247-1:2018 2018

This document specifies three methods for the determination of ash from raw rubbers, compounded rubbers and vulcanizates. The methods are applicable to raw, compounded or vulcanized rubbers of the M, N, O, R and U families described in ISO 1629, except that:

  • Method A is not used for the determination of ash from compounded or vulcanized rubbers containing chlorine, bromine or iodine;

  • Method B is used for compounded or vulcanized rubbers containing chlorine, bromine or iodine. It shall not be used for uncompounded rubbers;

  • Method C is intended to be used for the determination of ash from raw, compounded or vulcanized rubber not containing chlorine, bromine or iodine by wrapping the test portion in ashless filter paper;

  • Lithium and fluorine compounds might react with silica crucibles to form volatile compounds, giving low ash results. Platinum crucibles shall therefore be used for ashing fluorine-containing and lithium-polymerized rubbers.

This document does not cover the interpretation of the ash results as to the inorganic chemical content of a compound or vulcanizate. This is the responsibility of the analyst, who has to be aware of the behaviour of rubber additives at elevated temperatures.



Standard NumberBS ISO 247-1:2018
TitleRubber. Determination of ash - Combustion method
StatusRevision Underway
Publication Date2018-07-30
ReplacesBS ISO 247:2006
Identical National Standard OfISO 247-1:2018
DescriptorsSpecimen preparation, Chemical analysis and testing, Test equipment, Natural rubber, Combustion test methods, Rubber, Testing conditions, Determination of content, Vulcanized rubber, Ash determination, Synthetic rubber
ICS83.060 Rubber
CommitteePRI/22
ISBN978 0 580 88276 0
PublisherBSI
Pages14

The following editions for this book are also available...

Format Year Publisher Type Title Annual Price
2020
BSI
Standards
 $324.62 Buy

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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