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Problem Solving Forum (23)


What is the maximum temperature that an epoxy powder coating can resist when applied on steel substrate?


What is most effective treatment for steel contaminated with MIC before painting?


What is the best way to repair localized coating breakdown on steel?


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?


Alternatives to coal tar epoxies in wastewater/sewage applications have been in service for a number of years. From experience, which coating types with what fillers at what thicknesses (over steel) have performed best?


What are the most effective procedures for protecting steel and adjacent concrete together?


In preparing for coating, what is the best way to treat a steel surface that has been attacked by microbiologically influenced corrosion (MIC)?


What are the most effective procedures for protecting steel and adjacent concrete?


How do you calibrate a DFT gauge in the magnetic field of a live power plant to measure coatings on steel substrates?


I am the facility manager for a new amusement park that will operate year-round in a hot, humid environment. What protective coating system should I select to achieve the longest useful life (cost is a secondary consideration), and what performance can I expect?


When we use field splice plate connections on structural steel projects, how do we prevent rust and rust staining at bolt heads and at the splice plate/steel interface?


How does abrasive recycling affect cleaning rates when steel is blast-cleaned in the field?


What errors are most likely to occur when measuring dry film thickness on steel, and how can I avoid them?


Where are errors most likely to occur when measuring dry film thickness on steel, and how can they be avoided?


What is most effective treatment for steel contaminated with MIC before painting ?


What is the best way to repair localized coating breakdown on steel?


What is the maximum temperature that an epoxy powder coating can resist when applied on steel substrate?


What differences in performance and speed do you see among plural-component, conventional airless, and conventional air spraying equipment for field painting structural steel?


What are the most effective procedures for protecting steel and adjacent concrete together?


In preparing for coating, what is the best way to treat a steel surface that has been attacked by microbiologically influenced corrosion (MIC)?


What are the most effective procedures for protecting steel and adjacent concrete together?


What is the service life of a painted weathering steel bridge, compared to a painted carbon steel bridge in the same service environment?


How do you calibrate a DFT gauge in the magnetic field of a live power plant to measure coatings on steel substrates?


 
 
   

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Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com


SAFE Systems, Inc.
Custom blast rooms
by SAFE Systems

Don't waste time and money "making do" with a "standard" design. Let us work with you to design and build the system that best fits your requirements.
Call 1-800-634-7278


PPG Protective and Marine Coatings Group
We Protect and Beautify the World

PPG is widely recognized as a world leader in protective and marine coatings, developing innovative, cutting-edge products and services.


KTA-Tator, Inc. - Corporate Office
KTA-TATOR LABORATORY SERVICES

• Coating failure analysis
• Independent
  comparative testing
• Accelerated
  weathering testing
• Toxic metals testing
• A2LA Accredited
Contact: Cindy O'Malley,
at 412-788-1300 x180


HoldTight Solutions Inc.
NO FLASH RUST - NO CONTAMINANTS

Our HoldTight®102 salt remover & flash rust
preventer prevents flash
rust by removing surface contaminants. Contact us
for your nearest distributor.
(800) 319.8802 sales@holdtight.com


Corrosion Prevention Technologies
CLICK HERE To Find Out How

CorrX: the revolutionary 2-step cleaning process that allows coatings to perform to their full potential


Clemco Industries Corp.
Maximum Dust Suppression Systems Start at $14,950

The system comprises proven technology and equipment with user-friendly flexibility in mind. See it in action.


Hempel (USA) Inc.
Trusted worldwide for advanced protective coatings

Trusted worldwide
for advanced
protective, coatings
–Full range of 
  advanced coatings
–Optimised application
–Fast, reliable service  worldwide. Contact us at oilandgas@hempel.com


Absolute Equipment/Grand Rental Station
TIER 4 EQUIPMENT

We have Tier 4 Equipment including Air Compressors & Generators for Sale & Rent! Your job may now require Tier-4. www.absoluteequip.com or Call 412-931-6655.


Axxiom Manufacturing
Schmidt Introduces
the New miniBRS

Reduced in size, it is incredibly easy to maneuver and operate! The perfect alternative to larger blast & recovery units when project space is limited.
Call 1-800-231-2085

 

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