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Coating Standards

SSPC- PA 2 Appendix 7

Using SSPC-PA 2 Appendix 7 to Determine Conformance to Dry Coating Thickness Requirements on Steel Pipeline Exterior Surfaces

Pipelines have become one of the most efficient means of transporting liquids and gas safely from point of origin to point of use.  According to the Bureau of Transportation Statistics, the United States has over 218,387 miles of oil pipelines and over 1,626,959 miles of gas pipelines. The American Society of Civil Engineers (ASCE) indicates …

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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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sspc pa-2

Addition of Appendix 10 to SSPC-PA 2, Procedure for Determining Conformance to Dry Coating Thickness Requirements

According to SSPC: The Society for Protective Coatings, Paint Application Standard No. 2 (SSPC-PA 2), Procedure for Determining Conformance to Dry Coating Thickness Requirements, is one of the most frequently downloaded standards from the SSPC Marketplace. Measuring coating thickness is one of the most commonly specified quality control processes, and SSPC-PA 2 is recognized across …

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Holiday Detection and Dielectric Strength Issues

Introduction When applying coating system to structures such as bridges, tanks, and pipelines the main goal is to apply a continuous film to help prevent structural deterioration throughout the life of the structure. Unaddressed discontinuities can result in undercutting corrosion of the substrate, where the integrity of the structure could be prematurely compromised. This article …

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Evaluating a Coating’s Resistance to Cathodic Disbondment – Guidance on Selection of Test Methods

Installation of a coating to a cathodically-protected pipeline or structure without first testing its resistance to cathodic disbondment can result in catastrophic failure of the coating. However, there are over twenty international standard test methods to evaluate a coating’s inherent resistance to cathodic disbondment; each with its own set of parameters and materials, which can …

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SSPC Moisture Testing Guide and Pinhole Standard

Moisture in walls can affect the performance of coating and water-repellent systems. While ASTM publishes standards for determining the moisture content of cementitious substrates, their primary focus is concrete floors. Until this year, little guidance was available for the measurement of moisture content in walls, either from ASTM or other organizations. Similarly, tolerance of pinholes …

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pipe coatings

Interior Pipe Coatings for Transporting Potable Water – Types and Considerations

Introduction Throughout most the world in developed countries, the public relies on access to a safe drinking water supply; something we frequently take for granted until it is compromised. Potable water frequently traverses through steel pipe to deliver it both safely and economically. However, because water in contact with steel will cause it to corrode, …

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cross hatch tape

Coating Adhesion Testing using Knife/Tape Methods

Introduction Adhesion is an important physical characteristic of applied coating films and systems, and testing is frequently used as an indicator to whether an adequate bond exists between the substrate and primer (first coat) and/or between coats in multiple coat applications.  Adhesion testing may be a requirement of a coating specification, or may be used …

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scanning probe illustration

Using Scanning Probe Technology to Measure Coating Thickness

Introduction Coating thickness measurement is one of the most common quality assessments made during industrial coating applications.  SSPC-PA 2, Procedure for Determining Conformance to Dry Coating Thickness Requirements is frequently referenced in coating specifications.  As SSPC-PA 2 has evolved over the past four decades, a number of procedures and measurement frequencies are referenced in both …

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base metal reading bmr

What is a Base Metal Reading and How Does It Effect Coating Thickness Measurements?

For many in the health care/fitness industry, BMR is an acronym for basal metabolic rate. Sorry to disappoint if you thought this would be a health science article about expending energy. Rather, this article is about a different BMR: Base Metal Reading. We’ll describe what it is, its significance, how to obtain it, and how …

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