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Bill Corbett

coating specification

Specifying Coatings

Part 1: Specifications Simplified Independent of the type of coating project, a properly prepared specification is a key component to its success. A coatings specification describes the project and the objective of the coating system. It also describes the surface preparation requirements, materials required to complete the work, the intended appearance of the completed work, …

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service environment

Characterizing the Service Environment when Selecting Coatings

One of the tasks for a specifier when selecting coating systems is to properly and thoroughly identify the prevailing service environment for existing structures/facilities, or the anticipated service environment for new structures or facilities.  Stated more simply, once the coating system is installed, what will it be subjected to, under both normal and upset operating …

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jobsite surface cleanliness standards

The Importance of Preparing Jobsite Standards for Surface Cleanliness and Surface Profile Depth Prior to Production Operations

Introduction Surface preparation prior to coating installation is generally composed of two goals: achieving the minimum specified surface cleanliness, and achieving the specified range of surface profile (surface roughness). While these goals may be achieved in a single operation (e.g., by abrasive blast cleaning) or two separate operations (e.g., by water jetting or chemical stripping, …

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Referenced Requirements in SSPC Standards and Complimentary Industry Standards

Background SSPC: The Society for Protective Coatings, NACE International and other trade organizations have volunteer technical committees made up of subject matter experts that develop consensus standards that are drafted, balloted, approved and published. Development of a new standard can take as short as 3 years and as long as 5-7 years, depending on the …

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bridge catwalk

Frequency of Measurements in the Coatings Industry

The Issue There are two questions that can arise when performing in-process quality checks of surface preparation and coating application processes, or when evaluating the performance of a coating system already in service. These include, “How do I perform the tests,” and “What is the frequency required to ensure my test data is representative?” The …

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Measuring Peak Density Using Optical Grade Replica Tape  

Introduction Most industrial and marine protective coatings rely on a mechanical bond to the substrate to remain attached while in service. This bond is generally provided by a surface profile or anchor pattern that is imparted into the surface prior to application of the coating system and effectively increases the surface area of the substrate …

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AASHTO NTPEP

AASHTO NTPEP DataMine for Structural Steel Coatings – Its Value and Use

Introduction The American Association of State Highway and Transportation Officials (AASHTO) is a nonprofit, nonpartisan association representing highway and transportation departments in the 50 states, the District of Columbia, and Puerto Rico. It represents all five transportation modes: air, highways, public transportation, rail, and water. Its primary goal is to foster the development, operation, and …

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sspc pa-2

Measuring Coating Thickness According To SSPC-PA 2 – Update 2015

“Coating thickness shall be measured in accordance with SSPC: The Society for Protective Coatings Paint Application Standard No. 2 (SSPC-PA 2)” is a simple enough statement, yet this common specification requirement is often misinterpreted, or regarded as a document that simply states how to measure paint thickness, something we already profess to know how to …

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ask coating consultant

Ask A Consultant: Q & A with Bill Corbett

As some of you may know, our KTA.com website features a section called Ask A Consultant. In this section, users are encouraged to submit questions related to KTA’s service offerings. One of our knowledgeable coating consultants then gives a thorough response to help the user solve their issues. Recently, we received a list of questions …

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Industry Standards: Are You Current?

Obtaining SSPC or NACE certification as a coatings inspector or a protective coating specialist is quite an accomplishment and those who achieve one or more of these certifications should be proud. These certifications open doors for many opportunities in the protective coatings industry, and can create both rewarding and prosperous careers. As certified protective coatings …

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