SSPC Announces New, Revised Standards

In mid-December, SSPC: The Society for Protective Coatings announced the release of four new and three revised technical standards. The new standards include SSPC-PA 19, “Standard for Visual...

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Product Profile: Challenging Traditional Anticorrosive Coatings

Australia Releases Inorganic Zinc Standard

Earlier this week, global standards organization Standards Australia issued a new version of Application specifications for coating systems—Single coat inorganic (ethyl) zinc silicate – Solv...

True or false: Inorganic zinc-rich coatings have very strong resistance to organic chemicals.

True or false: Inorganic Zinc-rich coatings are often used on the faying surfaces of slip-critical joints.

ASTM A780 says zinc-rich paints for repairing hot-dip galvanized damage must contain either between 65-69% metallic zinc by weight or greater than 92% metallic zinc by weight in dry film. Why is only 65-69% or above 92% accepted? Is any zinc-rich paint out of these ranges not suitable for HDG repair?

If I apply 140 microns of inorganic zinc to a steel substrate with a 75 micron profile, is there any concern about cracking of the primer during storage, shipment, and erection of the structure, or with field-application of a topcoat?

Coatings Conversation

from JPCL, April 2019

Moving Beyond the 25-Year Coating

from JPCL, December 2017 ; by Todd Williams and Ahren Olson, Covestro LLC, and Paul Vinik, Florida Department of Transportation

Zinc-rich primers have been well studied, yet specifying inorganic (IOZ) or organic z...

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KTA University: Inorganic Zinc vs. Organic Zinc

Architectural Coatings: A PaintSquare Video Education Series

A collection of archived webinars focused on architectural coatings.

Concrete: A PaintSquare Video Education Series

A collection of archived webinars focused on concrete coatings and maintenance.

Standard Specification for Strength and Protective Coatings on Steel Industrial Chain Link Fence Framework

issued by ASTM

This specification covers the strength and protective coating requirements for industrial steel...

Standard Test Method for Formability of Zinc-Rich Primer/Chromate Complex Coatings on Steel

issued by ASTM

The results of the combined deformation and tape test are related to the ability of the coated ...