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Bill Corbett

Stripe Coating

Let’s Talk Stripe Coating Inspection

KTA’s Certified Coating Inspector Forum Issue No. 4 KTA’s Certified Coating Inspector Forum is designed to provide professional development/continuing education on standards, inspection practices, new instruments, and other topics to help keep certified AMPP and FROSIO coating inspectors current. It represents the views of the author and KTA-Tator, Inc. It may or may not represent …

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coating inspector forum

Let’s Talk Dull Putty Knives

KTA’s Certified Coating Inspector Forum Issue No. 1 – May 2022 KTA’s Certified Coating Inspector Forum is designed to provide continuing education on standards, inspection practices, new instruments, and other topics to help keep certified AMPP and FROSIO coating inspectors current. It is occasionally written blog style, and represents the views of the author and …

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Test Your Knowledge Series – Calculating and Measuring Wet Film Thickness

Introduction/Background Wet film thickness (WFT) is the measured thickness of any applied wet paint that is liquid-based.  The WFT is measured to assure that the correct amount of coating is being applied to the surface.  A wet film thickness gage should be used by the applicator to determine the thickness of the applied film before …

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surface preparation quiz

KTA University “Test Your Knowledge” Series – Surface Preparation

Surface Soluble Salt Detection and Analysis Introduction/Background Chemical contaminants on a surface can include chlorides, ferrous ions, sulfates, and nitrates, among other types of soluble salts. Chloride may come from deicing materials or marine/coastal environments, ferrous ions are a by-product of corrosion, sulfates can be airborne, particularly in industrial environments (e.g., near coal-fired power plants) …

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kta quiz surface preparation abrasive blast cleaning standards

KTA “Test Your Knowledge” Series: Surface Preparation Abrasive Blast Cleaning Standards

Abrasive Blast Cleaning Standards SSPC: The Society for Protective Coatings and NACE International[1] has volunteer technical committees made up of subject matter experts that develop consensus standards that are drafted, balloted, approved, and published. Once published, these industry standards can be referenced in a coating specification and are invoked by contract once the bidding process …

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sspc- pa 2

Applying SSPC-PA 2 for Coating Thickness Measurements on Structural Steel I-Beams and Miscellaneous Parts

SSPC-PA 2, Procedure for Determining Conformance to Dry Coating Thickness Requirements provides a frequency for obtaining coating thickness readings based on areas of 100 square feet. This frequency can be applied to I-beams painted in the shop or field; however, the total square footage of all beams coated during the shift must be calculated, and …

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ASTM D3359

Measuring Adhesion by Tape Test per ASTM D3359 Issues and Challenges Behind a “Basic” Adhesion Test

Introduction According to ASTM staff responsible for maintaining standards developed by Committee D01, “Paint and Related Coatings, Materials and Applications,” ASTM D3359, “Standard Test Methods for Rating Adhesion by Tape Test” is one of the most frequently downloaded standards from Volume 06.01. First published in 1974, it is widely used in a variety of industries …

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concrete floor coating

Defining and Assessing the Texture of Concrete Floor Coatings

Concrete floor coating systems are frequently specified to be textured to improve traction. The surface texture, however, is only one variable that affects the slip resistance of a surface. Slipping can arise from a failure of traction on the interface between, for example, the footwear and the walking surface and is affected by the floor …

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surface roughness

User Options for Surface Roughness Compensation When Measuring Dry Film Thickness of Coatings on Metal Surfaces

Two standards address the use of non-destructive dry film thickness gages: ASTM D7091, Standard Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nonconductive Coatings Applied to Non-Ferrous Metals and SSPC-PA 2, Procedure for Determining Conformance to Dry Coating Thickness Requirements. Both address the need to compensate …

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hand tool cleaning

Brushed Off: Latest Contractor Tools for Performing Hand Tool Cleaning

As seen in the Fall Edition of PaintSquare Press News The Surface Preparation Hand Tool Cleaning Standard (SSPC-SP 2) was first published as a temporary specification in August 1952 (SSPC-SP 2-52T), only two years after the Steel Structures Painting Council was founded (1950). The standard was developed primarily for maintenance of existing coating systems when …

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