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ASTM D4262-05(2018)

Заменен
Standard Test Method for pH of Chemically Cleaned or Etched Concrete Surfaces — 2 стр.
Значение и использование

3.1 Chemical cleaning and etching is used to prepare concrete for coating.

3.2 Residual chemicals not removed by water rinsing may adversely affect the performance and adhesion of coatings applied over prepared concrete surfaces. It is the intent of this test method to determine that residual chemicals have been removed by measuring the acidity or alkalinity of the final rinsed surface.

Область применения

1.1 This test method covers procedures for determining the acidity or alkalinity of concrete surfaces prepared by chemical cleaning or etching prior to coating.

1.2 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ICS
91.080.40 Concrete. Including the repair and protection of concrete products and structures / Бетонные конструкции
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