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분야 | ISO/TC 45/SC 2 : Testing and analysis |
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적용범위 | 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. |
국제분류(ICS)코드 | 83.060 : 고무 |
페이지수 | 7 |
Edition | 1 |
No. | 표준번호 | 표준명 | 발행일 | 상태 |
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1 | ISO 247-1:2018 | Rubber — Determination of ash — Part 1: Combustion method | 2018-07-26 | 표준 |
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ISO 21561-2:2016 - Styrene-butadiene rubber (SBR) — Determination of the microstructure of solution-polymerized SBR — Part 2: FTIR with ATR method 상세보기
ISO 248-1:2011 - Rubber, raw — Determination of volatile-matter content — Part 1: Hot-mill method and oven method 상세보기
ISO 1407:2011 - Rubber — Determination of solvent extract 상세보기
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