ASTM D4262-2005
化学清洗或侵蚀混凝土表面pH值的标准试验方法

Standard Test Method for pH of Chemically Cleaned or Etched Concrete Surfaces


 

 

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标准号
ASTM D4262-2005
发布日期
2005
实施日期
废止日期
中国标准分类号
Q13
国际标准分类号
91.080.40 (Concrete structures)
发布单位
US-ASTM
适用范围

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

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.

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

1.2 This standard does not purport to address all of the safety problems, 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.


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