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ASTM D5007-99(2008)

Заменен
Standard Test Method for Wet-to-Dry Hiding Change — 5 стр.
Значение и использование

Many architectural paints, particularly white and light tints, change significantly in film opacity as they dry. An increase in hiding is sometimes associated with porosity and poor film integrity with conventionally formulated coatings. A decrease can result in a disappointing paint job. The wet-to-dry hiding change is therefore a property of great practical importance.

This test method can be used in paint specifications and as a short, simple procedure for evaluation and quality control.

Область применения

1.1 This test method covers the determination of the change in hiding power of an architectural coating during drying, by visual evaluation of the wet and dry film.

1.2 This test method is not recommended for colors other than white and tints.

1.3 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. ^REFERENCE:

ASTM Standards:

D 2805 Test Method for Hiding Power of Paints by Reflectometry

D 3924 Specification for Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials

^KEYWORDS: hiding power; wet-to-dry hiding change ^INDEX TERMS: Architectural paints/coatings; Hiding power--paints/coatings; Latex paints; Solventborne paints/coatings; Visual examination--paints/related coatings/materials; Wetting-and-drying conditions ^STATUS: Dn Cn Sn Nn Mn ^APPROVAL: 20080201 ^PAGES: 5 ^COMMITTEE: D01 ^SUBCOMMITTEE: 4200 ^BOS: 06.02 ^ORGINFO: none ^ACTION: REAPPROVESTD ^MISCPUB: ^PDESIG: D5007 ^PYEAR: 1999R2008 ^CLASS: Test Method
ICS
87.040 Paints. Including coating powders, paint coatings and protective paint systems / Краски и лаки. Включая порошки для нанесения покрытий, лакокрасочные покрытия и системы защитной окраски
Сборник ASTM
06.02 Paint –– Products and Applications; Protective Coatings; Pipeline Coatings / Красители – Продукты и их применение; Защитные покрытия; Покрытия для трубопровода
Тематика
Paints & Related Coatings