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Zinc Rich Primers for Corrosion Protection

Picture for Zinc Rich Primers for Corrosion Protection
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Various types of zinc-rich coatings are available for corrosion protection. The challenges associated with the proper specification and application of zinc-rich coatings are briefly discussed. The paper then focuses on data from various studies, which quantify the corrosion protection benefits of various types of zinc-rich coatings.

Product Number: 41212-662-SG
Author: J. Peter Ault
Publication Date: 2012
Industry: Coatings
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$20.00
$20.00

Various types of zinc-rich coatings are available for corrosion protection. The challenges associated with the proper specification and application of zinc-rich coatings are briefly discussed. The paper then focuses on data from various studies, which quantify the corrosion protection benefits of various types of zinc-rich coatings.

Various types of zinc-rich coatings are available for corrosion protection. The challenges associated with the proper specification and application of zinc-rich coatings are briefly discussed. The paper then focuses on data from various studies, which quantify the corrosion protection benefits of various types of zinc-rich coatings.

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Product Number: 51317--9127-SG
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Protecting mechanisms of a new generation of activated zinc primers with enhanced protection vs inorganic zinc rich primers. Performance properties have been proven with results from different corrosion tests.
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Activated Zinc Technology; Making Zinc-Rich Epoxies Work Better for the Applicator and the Owner

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Inorganic zinc-rich coatings (IOZ’s) are often considered the gold standard for corrosion protection in atmospheric environments. Frequently, zinc epoxy coatings are considered second best among the most effective coatings for corrosion protection. However, current zinc-rich coating technology is not exempt of limitations, such as poor mechanical properties of the film, rigid environmental application conditions, or the inefficient use of zinc particles for providing galvanic protection. Due to these limitations, a number of asset owners have made the decision not to use zinc-rich coatings to maintain coating systems in marine and offshore environments
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(Coating Formulation) Can Low Zinc Epoxy Primers Work as Well as Traditional Zinc Rich Epoxy Primers

Product Number: 47-COAT_DEC21
Author: Alex Yagüe / Pinturas Hempel / David Morton
Publication Date: 2021
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Zinc-rich primers, with zinc dust loadings of 80-85% by weight in the dry film, are often the preferred primer during new construction of assets placed in environments with high atmospheric corrosivity. Coating standards such as SSPC-Paint 20 and ISO 12944 demand that zinc-rich primers contain at least 65% and 80% zinc dust by weight in the final dry film, respectively. Traditional zinc rich primers need this high zinc loading to achieve galvanic protection of steel. New technology allows us to develop zinc primers with a lower content of zinc and/or different zinc morphology than dust to provide similar or better corrosion protection to the steel.
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