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ASTM D6762-02a

Заменен
Standard Test Method for Determining the Hiding Power of Paint by Visual Evaluation of Spray Applied Coatings — 3 стр.
Значение и использование

This test method determines hiding power of a test paint by visual evaluation of a spray applied coating.

Note 1—Test Method D 2805 describes an instrumental method for determining hiding power. The paint film is applied at a uniform thickness (for example with a doctor blade), the film thickness is measured rigorously, and the opacity is determined photometrically. Hiding power is thereby determined with a high degree of precision.

Test Method D 6762 is less precise than Test Method D 2805, but is commonly used since it is more closely related to the application characteristics of the paint and is simpler in concept and evaluation.

Область применения

1.1 This test method provides for the quantitative visual determination of the film thickness required to achieve full hiding. This film thickness is considered to be the hiding power of a test paint.

1.2 This method applies only to spray applied coatings but its concepts are valid for other methods of application as well.

1.3 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.

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
06.01 Paint –– Tests for Chemical, Physical, and Optical Properties; Appearance / Красители – Испытания на Химические, Физические и Оптические свойства; Внешний вид
Тематика
Paints & Related Coatings