ISO 4628-6:1990 PDF
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Paints and varnishes — Evaluation of degradation of paint coatings — Designation of intensity, quantity and size of common types of defect — Part 6: Rating of degree of chalking by tape method
ISO 4628 is a series of standards dealing with the sampling and testing of paints, varnishes and related products. This part provides pictorial reference standards for designating the degree of chalking of paint coatings. It also describes a method by which the degree of chalking is rated. In using this method, it is essential that care be taken to distinguish between true degradation products and adhering dirt.
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| Edition | 1990 |
|---|---|
| Standard Part No | 6 |
| Published Date | 1990 |
| Published By | International Standardization Organisation |
| Page Count | 3 |
