Sspc sp10

Here is a list and brief summary of the surface preparation standards used in the hot-dip galvanizing industry with a brief summary of each. The specification lists several different ways in which solvent cleaner may be applied to the surface including wiping or scrubbing the surface with solvent, spraying solvent directly onto the surface, vapor degreasing, immersion, alkaline cleaners, and steam cleaning. Javascript is disabled on your browser. I understand that you will use my information to send me a newsletter.

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The air compressor alsoo should be checked for oil and water contamination by Blotter Test. Enter Your First Name optional. This surface preparation standard is similar to that swpc less aggressive blast cleans.

See More See Less. Here is a list and brief summary of the surface preparation standards used in the hot-dip galvanizing industry with a brief summary of each.

SSPC-SP 10 Near-White Metal Blast Cleaning (NACE NO. 2)

This material provides general information only and is not intended as a substitute for competent professional sdpc and verification as to suitability and applicability. ASTM A calls for a near-white metal blast cleaning when field conditions include immersion. Remaining surface imperfections shall be eliminated according to the requirements of the procurement documents.

D specifically calls out this standard dspc a condition that the water pressure be below psi. 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.

SSPC Surface Preparation Standards

Return to Coating Inspection. I am at least 16 years of age. Waterjetting is the use of standard jetting from a sp110 at high pressures 10, psi or higher to prepare a surface for coating. A surface profile of no less than one mill between peaks and valleys is required.

SSPC Surface Preparation Standards | American Galvanizer's Association

Please subscribe to my monthly newsletter so you don't miss a thing. Power abrading tools sspd acceptably remove mill scale according to the standard. Hand tool cleaning also acceptably cleans a hot-dip galvanized surface before surface profiling according to D A white metal blast will remove all coatings, mill scale, rust, oxides, corrosion espc, and all other foreign products from a steel surface. The 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.

As mentioned above, SSPC-SP 10 near-white metal blast cleaning has a limit of staining of no more than five percent of each unit area of the surface.

The standard lists dry abrasive blasting as the preferred method with wet blasting an option to be agreed upon between the two parties. A, dspc, does not specifically call out SSPC-SP3 for the preparation of a damaged coating for repair by zinc rich paints.

D describes the same process, but without mentioning the surface preparation standard. The unit area that is sspc should always remain approximately SQ mm or 9 SQ in to best meet the allowed percent of cleanliness per each unit area of the surface.

This blasting method cleans less aggressively than an industrial blast clean. Substrate temperature should not be colder surrounding air temperature; otherwise, the moisture can condensate on the cleaned-blast surface and cause flash rust. The material provided herein has been developed to provide accurate and authoritative ap10 about after-fabrication hot-dip galvanized steel.

The coating specification documents are part of the contract and have established requirements that must be met per project. The primary difference between SP 6 and SP 10 is the degree of cleanliness required from the blast cleaning. The surface shall be cleaned sdpc oil, grease, and dust after the near-white metal blasting procedure. Prior to applying the new specified coating system.

SSPC-SP 10 Near-White Metal Blast Cleaning (NACE NO. 2)

A paint coating also requires a profile typically not found on zp10 relatively smooth surface of a hot-dip galvanized coating. Random staining shall be limited to no more than 5 percent of each unit area of surface as defined, and may consist of light shadows, slight streaks, or minor discolorations caused by stains of rust, stains of mill scale, or stains of previously applied coating.

Oil, grease, and dust must be removed both before and after the cleaning procedure. Employing a recirculating closed-cycle system with centrifugal wheels and abrasive with dry abrasive blasting. The abrasives selected for this method depend on a variety of factors.

D uses this standard for the preparation s;10 a galvanized coating for powder coating.

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