GB/T 18839.2-2002 Preparation of steel substrates before application of paints and related products--Surface preparation methods--Abrasive blast-cleaning
1 Scope
This standard specifies the preparation methods of steel substrates before application of paints and related products， and the definition and the method, used abrasive and process sequence and others of abrasive blast-cleaning.
This Standard is applicable to new and corroded steel surfaces and to steel surfaces that are uncoated or have been previously coated with paints and related products.
2 Normative references
The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below.
GB/T 18839.2-2002 The following standards are cited：
