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JPCL September 2018

 
JPCL September 2018


View the Digital Edition of this Issue

No Magic Number: Coating Concrete After 28 Days

by R. A. Nixon, Corrosion Probe, Inc.

Historically, the coatings industry has specified 28 days of cure time for concrete before coatings are applied. This 28-day curing period was designated to address two key concerns: cement paste shrinkage continuing after coating application resulting in the formation of cracks and excess moisture unnecessary for cement hydration escaping from the substrate and causing problems at the coating/concrete interface. The author examines this “magic” number and presents real-world cases.


Ceramic Epoxy Coatings in Immersion

by Ben Rowland, Induron Protective Coatings, Inc.

The term "ceramic epoxy coatings" refers to an epoxy binder with ceramic media used as a pigment/filler. This article explores ceramic epoxy coatings for use in water storage, wastewater and pipeline applications and examines properties and characteristics that differ from traditional epoxies used in these environments.


The Effect of Caustic Soda Solutions on Fusion-Bonded Epoxy Coatings at High Temperatures

by Hassan Al-Sagour and Mana Al-Mansour, Saudi Aramco

In the article, “Qualification Tests for High-Temperature FBE Coatings” in the July 2018 issue of JPCL, the results of qualification testing of high-temperature fusion-bonded epoxy (FBE) coatings were reported by the authors. Three candidate products were immersed at a high temperature and all showed satisfactory performance in distilled water, synthetic sea water and a 5-percent NaCl solution. Most products, however, experienced severe discoloration when immersed in a 5-percent NaOH (caustic soda) solution. In this article, the authors describe further testing conducted on one of the candidate products to determine the significance of this discoloration.


   
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Carboline Company
 
New product: Carbozinc® 608 HB
 
Introducing a new high build zinc-rich primer that can save you time and money by eliminating the epoxy intermediate coat!
 

 
Jotun Paints Inc.
 
Jotun Jotachar 1709
 
Mesh-free passive fire protection epoxy designed to protect against hydrocarbon pool fire scenarios for up to four hours as defined in the ANSI/UL1709 standard.
 

 
DeFelsko Corporation
 
PosiTector SST Soluble Salt Tester
 
Measures the concentration of soluble salts on metal surfaces. Use with all Bresle patch types including the reusable, adhesive-free PosiPatch.
 

 
Bullard
 
Bullard Made in the USA
 
 

 
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
 

 
BASF
 
New resins from BASF will have metals loving water!
 
Excellent corrosion resistance, low VOC, high gloss, thin films www.basf.us/industrialcoatings dpsolutions@basf.com 800-231-7868
 

 
Blastox/The TDJ Group, Inc.
 
Blastox® - One Step Lead Abatement
 
Sandblast additive delivered to jobsite pre-blended to eliminate hazardous abrasive wastes. Why mix, meter or apply at the job-site? Blast with ease and
Let your painters paint!
1(800)-252-7869
 

 
HoldTight Solutions Inc.
 
Clean surfaces simply don’t rust, and no other product cleans like HoldTight®102.
 
HoldTight®102 is a wet blasting additive that decreases the water’s surface tension, allowing it to get into the profile of the surface and remove ALL contamination, including salts, acids, abrasives, light oils, and greases. HoldTight®102 leaves behind no film and evaporates with the water, providing a surface that is thoroughly clean and ready for coating, rust-free for up to 72 hours.
 

 
Total Enclosure Sail System, Inc.
 
Environmental containment and weather protection system.
 
• The Sail System™ environmental containment and weather protection system is strong, durable, reusable, efficient and cost effective. Sail System™ provides class I containment for bridges, water towers, ground tanks, drydocks and more.
 

 
Industrial Vacuum Equipment Corp.
 
Hurricane Vacuums
& Dust Collectors
 
Vacuum and dust collector hose, filters and related accessories.
IndustrialVacuum.com
 

 
 
 
 

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