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ISO 11528

Buildings and civil engineering works - Sealants - Determination of crazing and cracking following exposure to artificial or natural weathering

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Organization: ISO
Publication Date: 1 August 2016
Status: active
Page Count: 24
ICS Code (Binders. Sealing materials): 91.100.50
scope:

This International Standard specifies methods for the assessment of surface defects (crazing and cracking) on sealants after exposure to artificial or natural weathering.

NOTE Sealants are weathered in the laboratory in order to simulate ageing processes occurring during natural weathering. Generally, valid correlations between ageing during artificial and natural weathering cannot be expected because of the large number of influencing factors. Certain relationships can only be expected if the effect of the important parameters (spectral distribution of the irradiance in their photochemically relevant range, temperature of the specimen, type of wetting, wetting cycle relative humidity) on the sealant is known. However, unlike natural weathering, testing in the laboratory is carried out taking into consideration a limited number of variables which can be controlled, and therefore, the results are more reproducible.

Document History

ISO 11528
August 1, 2016
Buildings and civil engineering works - Sealants - Determination of crazing and cracking following exposure to artificial or natural weathering
This International Standard specifies methods for the assessment of surface defects (crazing and cracking) on sealants after exposure to artificial or natural weathering. NOTE Sealants are weathered...

References

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