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Cleaning requires the removal of all mill scale, rust, oxides, and paint to expose the bare metal surface. Random staining shall be limited to no more than 5% of the surface and may consist of light shadows, slight streaks, or minor discolorations caused by rust, mill scale, or previously applied coating.
Get a precision coating thickness gauge from Grainger to help measure the thickness of paint plating, coatings and galvanizing on ferrous and nonferrous metals.
( m 2/l at 102 µm DFT m/l at 51 µm DFT) Thinning: MCThinner, MCThinner 100, MCThinner XMT ... mill scale, salts or any other surface contaminants that interfere with adhesion. Ensure welds, repair areas, joints, and surface defects exposed by surface preparation are properly cleaned and treated prior to coating application.
May 25, 2016· Remove all mill scale, loose rust, loose paint and other foreign matter by "Hand or Power Tool Cleaning" (SSPCSP2 or SP3, respectively). Sand or "Brush Blast" (SSPCSP7) any hard glossy areas until dull. Spot prime bare areas as recommended and apply one or more coats of Interthane 990HS as specified.
Brush Off Loose mill scale, loose rust and foreign particles are removed. Commercial Mill scale, rust and foreign particles are substantially removed and grey metal is visible. Near White Metal Mill scale, rust and foreign particles are removed to the extent that only traces remain in the form of spots or stripes.
Blast Cleaning tightly adhered residues of mill scale, rust, and coatings. SP 8, Pickling Complete removal of rust and mill scale by acid pickling, duplex pickling or electrolytic pickling. SP 10, Near White 2 Sa 2Zx Blast cleaning until at least 95% of Blast Cleaning each square inch is free of all visible rust, mill scale, paint and for
Easily convert and calculate the wet and dry film thickness and coverage of coatings applied to a substrate. Percentage of solids by volume in a coating will usually be known. Check the instructions for use of the coating or the ''Material Safety Data Sheet'' (MSDS). ''Wet Film Thickness'' (WFT) = W (This may be known, specified or calculated)
97946 Series RECOMMENDED USES ... Remove all loose paint, mill scale, and rust. The surface to be coated must be dimensionally stable, dry, clean, and free of oil, grease, ... in spot and overlap areas, provided the 47 mil dft specification is met when measured according to SSPCPA2.
Instructions On How To Use A ''Wet Film Thickness Gauge'' Place the wet film thickness gauge at ninety degrees to the coated substrate and penetrate the surface of the coating with the notched or toothed side of the gauge until the substrate is firmly contacted.
The Positest ® coating thickness gauge is designed for the nondestructive measurement of nonmagnetic coatings such as (paint, enamel, plastic, galvanizing, metalizing, plating, etc.) on STEEL. Easily measures small parts of almost any shape. Stable design with additional tailend support. No annoying rocking during measurement.
required. Remove grease and loose mill scale from nonweathering steel, and remove grease and all mill scale from weathering steel. If no slip coefficient or assumed surface condition is shown on the plans or if the connection is shown as Class B (slip coefficient ), provide an SSPCSP 10 blast. 2. NoPaint Areas at FieldWelded Connections.
Prior to abrasive cleaning, the pipes re be preheated (if required) to eliminate any moisture from the substrate. The internal surfaces are abrasive blast cleaned to remove rust and mill scale in accordance with the specified requirements for surface preparation. The typical blast standard requirement is a minimum of Sa
May 14, 2018· Understanding a New Trend: In Situ Cleaning and Coating. Enerclear Team | May 14, 2018. Takeaway: An in ... We then make several inhibited acid shuttles or runs at a controlled rate of travel to loosen and remove all existing mill scale and welding slag from pipe walls. ... (DFT). This is achieved by batching coating between two pigs and ...
Steel or Iron: Remove rust, mill scale, and oxidation products. For best results, treat the surface with a proprietary surface chemical treatment of zinc or iron phosphate to improve corrosion protec ... mils DFT or better. • Apply as a full wet coat, since dry spray gives poor enamel holdout and film properties.
SSPCSP 10/NACE No. 2 removes all dust, coating, and mill scale. The limit of staining permitted for nearwhite metal blast cleaning is no more than five percent of each unit area of the surface. This subject is one of the important items in coating inspection process.
Removal of all visible rust, mill scale, paint and foreign matter using power tools and producing a minimum profile of 1 mil. Complete removal of rust and mill scale by acid pickling, duplex pickling or electrolytic pickling. Blast cleaning of all except tightly adhered residues of mill scale, rust and coatings.
protected are clean, dry and free of rust, oil and mill scale and a substrate temperature of 1035 °C at the time of product application. Application: TECTYL 506 is formulated to be used as supplied. ... With a DFT of only 50 microns, Tectyl 506 can protect a big surface with just little amount of the product.
Tools and Techniques for Measuring Coating Quality Part 1, Cleaning and Painting When you spend money on a product or service, you expect quality, regardless of the cost. If you purchase the most inexpensive Chevrolet that is made, you still expect quality.
hand/power tool cleaning, removal of rust, mill scale, paint or foreign matter, abrasive blast or water jetting, and remediation of chloride. If detergents, additives, or inhibitors are incorporated into the water, the Contractor shall include the names of the materials and Safety Data Sheets (SDS).
Coating thickness or dry film thickness (DFT) is an important variable that plays a role in product quality, process control, and cost control. Measurement of film thickness can be accomplished by selecting the best mil gage for the particular application.
water jetting does not remove mill scale or create surface roughness, and is only useful for surfaces with an initial roughness suitable for the subsequent coat. Best performance is achieved with preparation grade Wa 2½ (ISO 85014). Maximum accepted grade of flash rust for any preparation is .
classifying it into various grades A, B, C and D. Steel surface with mill scale but little rust is graded A, and surface which has begun to rust and from which mill scale has begun to flake is graded as B, surface from which mill scale has rusted away with slight pitting is graded C and surface with general pitting visible is grade D.
Dampney Company, Inc. 85 Paris Street, Everett, Massachusetts 02149 Tel: (617) Fax: (617) Email: sales Website: Thurmalox® 225HD High Build, Air Dry, High Temperature VOC Compliant Coating Description Thurmalox 225HD is .
Approx. Sq. Ft. Cleaning Per Hour Loose Mill Scale 840 Tight Mill Scale 835 at 90 PSI Pitted Paint 830 Layered Paint 825 For more information on blast specifications contact B. MECHANICAL WHEEL BLASTING Wheel blast system utilizes a high ...
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