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Problem Solving Forum (5)


On guardrails on a marine wharf, grating panels consisting of mild steel bars about 1/8-inch by 1-inch on a 2-inch-square grid were painted with a three-coat zinc/epoxy/urethane system. Inspectors are finding numerous pinholes in the finish coat along the inside corners of the grating where the 1-inch-thick bars meet at a 90-degree angle. These pinholes were not noticed in the zinc or epoxy coats, but the final coat's visual inspection is more detailed. What is the likely cause of the pinholing, and what could be done to prevent it on future applications? Also, what should the disposition of the parts with pinholes be, as in, repair, accept as is, reblast and recoat, or an alternative?


Is a sealer coat always required for coating systems applied to concrete surfaces that will be exposed to marine environments?


How, besides grinding, can one remove large areas of silicone coating from a ship’s hull to replace the silicone with an epoxy mastic?


What is the best way to remove thick-film elastomers from floors and ship decks?


What type of antifouling or foul-release coating will provide the greatest protection in warm tropical waters, and for how long?


 
 
   

Novatek Corporation
Dustless Coatings Removal

Strip it, clean it, and profile it,
all dust free! High production
rates and Blast like finishes.
Comply with new lead
standards.


N.T. Ruddock Co.

Our Abrasives Hold Up Under Pressure

N. T. Ruddock focuses on abrasive selection, equipment evaluation, equipment maintenance & reduction of abrasive consumption. Other services include Screen Analysis & Background Radiation Testing.


Safway Services
One Source. Every Solution.

The Safway Group is your source for multiservices. Painting, coating, insulation and more – all from the most trusted name in the industry.


SAFE Systems, Inc.
Portable Blast &
Recovery Equipment

Trailer or skid mounted blast and recovery equipment. Systems designed for maximum versatility, environmental compliance
and overall cost savings.
Call 1-800-634-7278


Modern Safety Techniques
Modern Safety Techniques

With our unique LTCat, we can help to provide clean, safe breathing air to your workers. Take a look at our Breathing Air Systems, we supply at least twice as much charcoal as our competitors! Modern


DRYCO
DEHUMIDIFICATION FOR
ANY SIZE PROJECT

Temporary climate control equipment. Dehumidifiers,
Heaters, A/C, Power, More…
Call: 866-379-2600


US Minerals
US Minerals -
Black Magnum

With nationwide production and distribution capabilities, U.S. Minerals supplies a complete range of coal slag and other abrasives to meet all of your blasting needs.


Hempel (USA) Inc.
Wider range of Hempel Protective Coatings now approved by Norsok.

Proven high performance products that protect your assets. Contact us today at protective@hempel.com to find out more.


SEMicro Division, M.E. Taylor Engineering, Inc.
Coatings Adhesion Testers

The PATTI® accurately measures the bond strength between coating & substrate. Outfitted properly, the surface can be rough, porous, or curved & >10K psi strong!


DeHumidification Technologies
HUMIDITY PROBLEMS?

DH Tech has the most innovative and reliable equipment available to
control humidity efficiently
and effectively.
IT'S UNDER CONTROL!

 
Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
Durability + Design Paint BidTracker

 
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