GSO ISO 12944-2:2013
油漆和清漆 保护钢结构免受腐蚀的预防性涂层系统 第2部分：环境分类

Paints and varnishes -- Corrosion protection of steel structures by protective paint systems -- Part 2: Classification of environments

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标准号

GSO ISO 12944-2:2013

发布

2013年

发布单位

GSO

当前最新

GSO ISO 12944-2:2013

 

 

适用范围

1.1 This part of ISO 12944 deals with the classification of the principal environments to which steel structures are exposed, and the corrosivity of these environments. It — defines atmospheric-corrosivity categories, based on mass loss (or thickness loss) by standard specimens, and describes typical natural atmospheric environments to which steel structures are exposed, giving advice on the estimation of the corrosivity; — describes different categories of environment for structures immersed in water or buried in soil; — gives information on some special corrosion stresses that may cause a significant increase in corrosion rate or place higher demands on the performance of the protective paint system. The corrosion stresses associated with a particular environment or corrosivity category represent one essential parameter governing the selection of protective paint systems. 1.2 This part of ISO 12944 does not deal with the classification of those environments that consist of special atmospheres (for example those in and around chemical and metallurgical plants).

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