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Homepage>ISO Standards>ISO 4312:1989-Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth
download between 0-24 hoursReleased: 1989
ISO 4312:1989-Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth

ISO 4312:1989

ISO 4312:1989-Surface active agents — Evaluation of certain effects of laundering — Methods of analysis and test for unsoiled cotton control cloth

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French Hardcopy
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Standard´s number:ISO 4312:1989
Pages:31
Edition:2
Released:1989
DESCRIPTION

ISO 4312:1989


Methods for the determination of the following characteristics of the test pieces after washing are specified: intrinsic greying, intrinsic yellowing, increase in organic deposit content, increase in incineration residue, overall decrease in breaking strength, decrease in breaking strength resulting from chemical degradation of cellulose due to laundering and from mechanical factors in laundering. Annexes contain the determination of increase (or decrease) in degree of whiteness and of chemical wear and further a grey scale and the measurement of reflection.
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