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August 28 - September 3, 2016

Structural engineers often prefer mechanically galvanized bolts for accurate tightening while corrosion experts often prefer hot-dip galvanized bolts for superior corrosion protection. How do you resolve this inherent conflict?



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Tagged categories: Corrosion; Corrosion protection; Galvanized steel; Galvanized/thermal spray coatings    


Current PSF Question | Submit a PSF Question | Full PSF Archive


Recent Questions

August 20 - August 27, 2016
What causes amine blush in epoxy topcoats?

August 14 - August 20, 2016
Your field surface preparation requires SSPC SP-10 and your field bolting uses hot-dip galvanized bolts. What surface preparation do you require/allow on and around the bolts?

August 7 - August 13, 2016
Can water be sprayed onto an IOZ coated surface, which has not fully cured due to low humid conditions, to accelerate the cure?

July 31 - August 6, 2016
How do you best remove lubricants and other contaminants from field-bolted connections prior to painting?

July 24 - July 30, 2016
Is the MEK rub test a conclusive test to check the cure of IOZ coatings?

July 17 - July 23, 2016
During newbuilding, do I have to stripe coat edges if I am using an edge retention primer?

July 10 - July 16, 2016
What causes bubbling or cratering of epoxy intermediate coat when applied over epoxy zinc-rich primer?

June 26 - July 2, 2016
What is the correct procedure for carrying out preventive maintenance painting work in a small chemical product tank?

June 19 - June 25, 2016
Animal fat in slaughterhouses often penetrates concrete surfaces. If the fat is not removed before the concrete is coated, the fat can cause the coating to fail. How do you identify and remove the contamination before coating the concrete?

June 12 - June 18, 2016
How do you determine the size of the dehumidification equipment required for a tank lining project?

Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.
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SAFE Systems, Inc.
Portable Blast &
Recovery Equipment

Trailer or skid mounted blast and recovery equipment. Systems designed for maximum versatility, environmental compliance
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Specialty Products, Inc. (SPI)
Polyurea & Polyurethane Spray Foam Training

SPI is committed to industry leading technical training for polyurea & polyurethane spray foam professionals. Attendees receive hands-on, in-depth training for using and troubleshooting plural-component equipment, spray guns, machine hoses & parts.


Novetas Solutions
Number 1 Crushed Glass Abrasive in America!

Manufactured from 100% Recycled Glass.
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Beryllium & Arsenic
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4 plants on Navy QPL
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Novatek Corporation
Novatek Corporation, Dustless Coatings Removal

Strip, clean and profile all dust free! Comply with new lead standards. Contact today: (866) 563-7800


Clemco International GmbH
Global engineering-trusted solutions

For more than 70 years, Clemco has provided the highest quality blast equipment with a total commitment to comfort and safety.


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


Tarps manufacturing, Inc.
QUALITY MADE IN AMERICA —Available near you!

CLICK to get a behind-the-scenes look at how Tarps Manufacturing makes the highest-quality tarps right here in the USA — available nationwide.


Covestro Deutschland
What keeps contractors one layer ahead when finishing their projects?

The answer: Pasquick®. Thanks to Pasquick®, one layer of coating is saved – resulting in faster workflows and earlier project finishing. Learn more.


WINOA Group
W Abrasives - Surf Prep Pack

Experts in surface preparation are not working only on greens. To discover the SURF PREP PACK dedicated to experts. Visit our website, www.wabrasives.com.

 
 
 
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