1、SSPC-SP 2November 1, 1982Editorial Revisions November 1, 20042-57SSPC: The Society for Protective CoatingsSURFACE PREPARATION SPECIFICATION NO. 2Hand Tool Cleaning1. Scope1.1 This standard covers the requirements for hand tool cleaning steel surfaces.2. Denitions2.1 Hand tool cleaning is a method of
2、 preparing steel surfaces by the use of non-power hand tools.2.2 Hand tool cleaning removes all loose mill scale, loose rust, loose paint, and other loose detrimental foreign matter. It is not intended that adherent mill scale, rust, and paint be removed by this process. Mill scale, rust, and paint
3、are consid-ered adherent if they cannot be removed by lifting with a dull putty knife.2.3 SSPC-VIS 3 or other visual standard of surface prepa-ration agreed upon by the contracting parties may be used to further dene the surface (see Note 8.1).3. Referenced Standards 3.1 The latest issue, revision,
4、or amendment of the refer-enced standards in effect on the date of invitation to bid shall govern, unless otherwise specied. Standards marked with an asterisk (*) are referenced only in the Notes, which are not requirements of this standard.3.2 If there is a conict between the requirements of any of
5、 the cited reference standards and this standard, the require-ments of this standard shall prevail.3.3 SSPC SPECIFICATIONS: SP 1 Solvent Cleaning* SP 3 Power Tool Cleaning* SP 11 Power Tool Cleaning to Bare Metal* SP 15 Commercial Grade Power Tool CleaningVIS 3 Guide and Reference Photographs for St
6、eel Surfaces Prepared by for Power- and Hand-Tool Cleaning3.4 INTERNATIONAL ORGANIZATION FOR STANDARD-IZATION (ISO): * 8501-1 Preparation of steel substrates before appli-cation of paints and related products: Visual assessment of surface cleanlinessPart I.4. Surface Preparation Before and After Han
7、d Tool Cleaning4.1 Before hand tool cleaning, visible deposits of oil, grease, or other materials that may interfere with coating adhesion shall be removed in accordance with SSPC-SP 1 or other agreed-upon methods. Nonvisible surface contaminants such as soluble salts shall be treated to the extent
8、specied by the procurement documents project specications (see Note 8.2). 4.2 After hand tool cleaning and prior to painting, reclean the surface if it does not conform to this standard.4.3 After hand tool cleaning and prior to painting, remove dirt, dust, or similar contaminants from the surface. A
9、ccept-able methods include brushing, blow off with clean, dry air, or vacuum cleaning.5. Methods of Hand Tool Cleaning5.1 Use impact hand tools to remove stratied rust (rust scale).5.2 Use impact hand tools to remove all weld slag.5.3 Use hand wire brushing, hand abrading, hand scrap-ing, or other s
10、imilar non-impact methods to remove all loose mill scale, all loose or non-adherent rust, and all loose paint.5.4 Regardless of the method used for cleaning, if specied in the procurement documents, feather the edges of remaining old paint so that the repainted surface can have a reasonably smooth a
11、ppearance.5.5 If approved by the owner, use power tools or blast cleaning as a substitute cleaning method for this standard.SSPC-SP 2November 1, 1982Editorial Revisions November 1, 20042-586. Inspection6.1 Unless otherwise specied in the procurement docu-ments, the contractor or material supplier is
12、 responsible for quality control to assure that the requirements of this document are met. Work and materials supplied under this standard are also subject to inspection by the purchaser or an authorized representative. Materials and work areas shall be accessible to the inspector. 6.2 Conditions no
13、t complying with this standard shall be corrected. In the case of a dispute, an arbitration or settlement procedure established in the procurement documents (project specication) shall be followed. If no arbitration or settlement procedure is established, then a procedure mutually agree-able to purc
14、haser and material supplier (or contractor) shall be used.7. Disclaimer 7.1 While every precaution is taken to ensure that all in-formation furnished in SSPC standards and specications is as accurate, complete, and useful as possible, SSPC cannot assume responsibility nor incur any obligation result
15、ing from the use of any materials, coatings, or methods specied herein, or of the specication or standard itself.7.2 This standard does not attempt to address problems concerning safety associated with its use. The user of this stan-dard, as well as the user of all products or practices described he
16、rein, is responsible for instituting appropriate health and safety practices and for ensuring compliance with all governmental regulations.8. NotesNotes are not requirements of this standard.8.1 Note that the use of visual standards in conjunction with this standard is required only when they are sp
17、ecied in the procurement documents (project specication) covering the work. It is recommended, however, that the use of visual stan-dards be made mandatory in the procurement documents.SSPC-VIS 3 provides a suitable comparative visual stan-dard for SSPC-SP 2, SSPC-SP 3, SSPC-SP 11, and SSPC-SP 15. I
18、SO 8501-1 may also serve as a visual standard.8.2 The SSPC Surface Preparation Commentary (SSPC-SP COM) contains additional information and data relevant to this specication. The Commentary is non-mandatory and is not part of this specication. The table below lists the subjects discussed relevant to hand tool cleaning and the appropriate Commentary Section.Subject Commentary SectionFilm Thickness .10Maintenance Painting 4.2Rust, Stratied Rust, Pack Rust, and Rust Scale 4.3.1Visual Standards 11Weld Spatter .4.4.1
