ISO 2809:1976 PDF
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Paints and varnishes — Determination of light fastness of paints for interior use
Specifies a method for operating laboratory equment. It does not attempt to define either the minimum accetable standard or the precise techniques to be adopted for the test; these are to be the subject of agreement between the interested parties. The posible forms which the test requirement may take are the following: The test material shall be at least as ligthfast as a specified wool scale pattern exposed simultaneously or an agreed paint sample exposed simultaneously. It should show no greater change within a specified period than a previously exposed reference sample. Exposure to light from artificial sources under prescribed conditions.
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| Edition | 1976 |
|---|---|
| Published Date | 1976 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
