Server maintenance is scheduled for Saturday, December 21st between 6am-10am CST.

During that time, parts of our website will be affected until maintenance is completed. Thank you for your patience.

Menu
Search
Filters
Close
Menu

Use GIVING24 at checkout to save 20% on eCourses and books (some exclusions apply)!

51314-3979-Novel Zinc Rich Primers for Corrosion Protection

Picture for Novel Zinc Rich Primers for Corrosion Protection
Available for download
Product Number: 51314-3979-SG
ISBN: 3979 2014 CP
Author: Santiago Codolar
Publication Date: 2014
$0.00
$20.00
$20.00

Zinc rich primers both organic and in-organic coatings are extensively used in the marine and offshore industry. During the 60’s and the 70’s zinc rich epoxy primers were dominating the market. Later zinc ethyl silicate primers took over this role but nowadays it looks as if zinc epoxy primers have made a comeback. Some of the advantages of zinc epoxies compared to zinc silicates are the less demanding curing conditions (epoxies will cure at low humidity) they are easier to overcoat and they are less demanding to substrate preparation prior to application. Zinc epoxies are typically formulated with high loads of zinc dust. According to ISO 12944 a zinc rich coating contains more than 80% zinc by weight in the dry film.The protecting mechanism of zinc rich coatings is believed mainly to be based on cathodic protection provided by the zinc dust in the paint.  When a coating system containing a rich primer is exposed to e.g. the marine environment rust creep and blistering are amongst the most important failure mechanism to be considered. Many accelerated exposures will not within their exposure time show the defects visually on intact coated surfaces. Therefore behaviour of the coatings around artificially made damages i.e. scores are given significant considerations in the development of efficient anticorrosive primers and many prequalification tests (e.g. ISO 2034 NORSOK M501 Rev.6) are based amongst others on rust creep and blistering as well as detachment from scores. The increasing demands to the performance of zinc rich primers (low rust creep) has addressed even more focus on maximizing the utilization of the zinc dust in the paint. In addition to this the recent developments in the market prices of zinc dust suggest new developments in this area. Is it possible to achieve the same cathodic protection with a lower content of zinc dust?The purpose of this paper is to describe the protecting mechanisms of a new generation of zinc rich primers with enhanced protection properties and to set up the design criteria for a well working system. Results from different corrosion tests (ISO 12944 ; NORSOK M501 Rev.6) will be presented as well. 

Zinc rich primers both organic and in-organic coatings are extensively used in the marine and offshore industry. During the 60’s and the 70’s zinc rich epoxy primers were dominating the market. Later zinc ethyl silicate primers took over this role but nowadays it looks as if zinc epoxy primers have made a comeback. Some of the advantages of zinc epoxies compared to zinc silicates are the less demanding curing conditions (epoxies will cure at low humidity) they are easier to overcoat and they are less demanding to substrate preparation prior to application. Zinc epoxies are typically formulated with high loads of zinc dust. According to ISO 12944 a zinc rich coating contains more than 80% zinc by weight in the dry film.The protecting mechanism of zinc rich coatings is believed mainly to be based on cathodic protection provided by the zinc dust in the paint.  When a coating system containing a rich primer is exposed to e.g. the marine environment rust creep and blistering are amongst the most important failure mechanism to be considered. Many accelerated exposures will not within their exposure time show the defects visually on intact coated surfaces. Therefore behaviour of the coatings around artificially made damages i.e. scores are given significant considerations in the development of efficient anticorrosive primers and many prequalification tests (e.g. ISO 2034 NORSOK M501 Rev.6) are based amongst others on rust creep and blistering as well as detachment from scores. The increasing demands to the performance of zinc rich primers (low rust creep) has addressed even more focus on maximizing the utilization of the zinc dust in the paint. In addition to this the recent developments in the market prices of zinc dust suggest new developments in this area. Is it possible to achieve the same cathodic protection with a lower content of zinc dust?The purpose of this paper is to describe the protecting mechanisms of a new generation of zinc rich primers with enhanced protection properties and to set up the design criteria for a well working system. Results from different corrosion tests (ISO 12944 ; NORSOK M501 Rev.6) will be presented as well. 

Product tags
Also Purchased
Picture for Challenging the Performance Myth of Inorganic Zinc Rich vs Organic Zinc Rich Primers
Available for download

Challenging the Performance Myth of Inorganic Zinc Rich vs Organic Zinc Rich Primers

Product Number: 51317--9127-SG
ISBN: 9127 2017 CP
Author: Jose Luna
Publication Date: 2017
$20.00

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.
Picture for Crack Resistance Improvement of Inorganic Zinc Rich Paint
Available for download

51313-02415-Crack Resistance Improvement of Inorganic Zinc Rich Paint

Product Number: 51313-02415-SG
ISBN: 02415 2013 CP
Author: Seong-Mo Son
Publication Date: 2013
$20.00
Picture for 07005 ZINC RICH EPOXIES – ELECTROCHEMICAL PROPERTIES
Available for download

07005 ZINC RICH EPOXIES – ELECTROCHEMICAL PROPERTIES

Product Number: 51300-07005-SG
ISBN: 07005 2007 CP
Author: Ole Øystein Knudsen, Astrid Bjørgum, Tone Frydenberg, and Kemal Nisancioglu
Publication Date: 2007
$20.00
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support