Details. You are purchasing a downloadable pdf of this standard covers the requirements for power tool cleaning of steel surfaces. Power too. SSPC-SP3 Power Tool Cleaning. Removes all loose mill scale, loose rust, loose paint, and other loose detrimental foreign matter by power wire brushing, power. SSPC-SP3 power tool cleaning is frequently used when contamination to adjacent areas is a concern by sandblasting (SSPC-SP 5 & SSPC-SP 10) or is not.
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The standard lists dry abrasive blasting as the preferred method with wet blasting an option to be agreed upon between the two parties. Size px x x x x The standard then requires oil, grease, and dust to be removed from the xspc and the work inspected. Typically specified when surface preparation by sandblasting is not possible.
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Subject Commentary Section Film Thickness A hot dip-galvanized coating is said to be fully weathered when the exposed surface consists mainly of water-insoluble zinc carbonates, some zinc oxides, and rarely, zinc hydroxides.
A surface profile of no less than one mill between peaks and valleys is required. However, some rust remaining at the bottom of pits is acceptable if the surface was pitted to begin with. ISO may also serve as a visual standard. Xspc blasting method cleans less aggressively than an industrial blast clean. A allows uncoated areas ssp3 be power-tool cleaned before repair with zinc rich paints in areas of less critical field exposure conditions.
Use of this surface preparation standard roughens and cleans the bare substrate — including a hot-dip galvanized coating — to create a profile suitable for painting. Power abrading tools also acceptably remove mill scale according to the standard.
SSPC-SP2 Hand Tool Cleaning This standard covers the removal of loose mill scale, loose rust, loose paint, and other loose detrimental foreign matter spsc surfaces with the use of non-powered hand tools. The power tools used for this standard include sanders, wire brushes or wheels, chipping hammers, rotating flaps, needle guns, hammer assemblies, and right angle grinders.
SSPC-SP3 requires power tools to be used in a manner that prevents the formation of burrs, sharp ridges, and sharp cuts. Hand tool cleaning also acceptably cleans a hot-dip galvanized surface before surface profiling according to D Please copy and paste this embed script to where you want to embed Embed Script.
Here is a list and brief summary of the surface preparation standards used in the hot-dip sepc industry with a brief summary of each. Sp33 brush off-blast cleaning procedure described in SSPC-SP16 provides an acceptable profile on hot-dip galvanized surfaces for the application of paint or powder coat.
This material provides general information only and is not intended as a substitute for competent professional examination and verification as to suitability and applicability.
Grinding tools and impact tools are both acceptable means for achieving the level of cleaning specified. On welded work removal of all welding flux, slag, and fume deposit are necessary as those are the contents ssoc promote paint failure on welding joints. Ssppc the use of impact or abrasion from these power tools, non-adhesive particles are removed in a faster and less expensive manner than some other cleaning methods. So it is in the best interest of the owner to provide the contractor with sample surfaces of what is expected.
In preparation for paint and powder coating, both standards are mentioned by D and D in the same section. The material provided herein has been developed to provide accurate and authoritative information about after-fabrication hot-dip galvanized steel.
SSPC-SP5 provides conditions for the end condition of a white metal blast, and the materials and procedure necessary for providing the end condition. A provided definition sscp a brush-off blast cleaned surface describes a surface free of all visible oil, grease, dirt, dust, loose mill scale, loose rust, and loose coating when viewed without magnification. We are a non-profit group that run this website to share documents.
Near-White Metal Blast Cleaning provides a greater degree of cleaning than commercial blast cleaning, but less than white metal blast cleaning. SSPC-SP 3 is power tool cleaning, which is a method of surface preparation on steel surfaces with the use of power assisted hand tools.
SSPC-SP 3 Power Tool Cleaning
A paint coating also requires a profile typically not found on the relatively smooth surface of a hot-dip galvanized coating. Please fill this form, we will try to respond as soon as possible. Please help us to share our service with your friends. Consensus reference photographs are photographic aids that can assist in establishing the general appearance of the surface after SSPC-SP 3 power tool cleaning is performed.
A, however, does not specifically call out SSPC-SP3 for the preparation of a damaged coating for repair by zinc rich paints. Removing all weld slag and stratified rust with impact tools, using non-impact methods such as scraping to remove all non-adherent materials, and feathering an adherent paint coating, are all hand tool cleaning methods accepted by this standard.
After a galvanized surface has been acceptably cleaned of oil, grease, and similar products, this brush blasting can be applied in order to create an acceptable profile. I am at least 16 years of age. This standard covers the removal of loose mill scale, loose rust, loose paint, and other loose detrimental foreign matter from surfaces with the use of non-powered hand tools.
SSPC Surface Preparation Standards
It is not intended that adherent mill scale, rust, and paint be removed by this process. Besides, another benefit to using such aids is that it makes it easier to distinguish the difference between the various grades.
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