| Connect Follow us on Twitter Like us on Facebook
About | Subscribe | Advertise



Daily Quiz (13)

True or false: Etch primers are sometimes called wash primers.

Pascal Verbiest, in his recent JPCL article, “Developments in Zinc Primers for Corrosion Protection,” describes four mechanisms of corrosion resistance provided by zinc primers.

True or False? Waterborne acrylic primers for steel are often formulated with inhibitive pigments such as zinc phosphate.

True or False? Zinc oxide is used to make zinc-rich primers.

True or false? Inorganic zinc pre-construction primers for shipbuilding normally have more zinc content than inorganic zinc primers applied after fabrication.

True or false: If a zinc-rich primer has a silicate binder, it is classified as an inorganic rather than an organic zinc-rich.

In what way is a zinc-rich primer “rich?”

True or false: In multi-coat systems, it is not always the case that the higher the zinc loading in a zinc rich primer, the better the system performance will be.

What is one typical duty of an inspector prior to the application of a primer?

True or false: A universal primer has the same function as a wash primer.

True or false: It is sometimes useful to stripe coat steel edges and irregular surfaces after the full primer coat is applied.

In what way is a zinc-rich primer “rich?”

Zinc-rich primers offer what kind of protection to steel?


Graco Inc.
Graco Mortar Pump

The M680 sprays epoxy-based mortars, anti-skid coatings, cementitious and filled materials. Compact.
Easy to use.
Call 877-844-7226 or

Nationwide Overspray
Profession Overspray Removal Services

The Finest Name in Safe Overspray Removal. We specialize in removing all contaminants from any surface. Family Owned and Operated for 33 years! Fully insured. Satisfaction is guaranteed.

Modern Safety Techniques
Modern Safety Techniques

See our Low Temperature Catalyst for your CO removal needs. Help to provide your workers with safe, comfortable breathing air!

NLB Corporation
Water jet surface prep, high or low

See how quickly HydroPrep® tools do surface prep, with no containment needed. Choose automated Crawler for overhead, Vortex™ for floors, or handheld VertaJet™.

SSPC: The Society for Protective Coatings

Join SSPC and Enhance
Your Career !

Hempel (USA) Inc.

Efficient systems and high quality products to reduce your maintenance costs. Visit Hempel Protective for more information.

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.

CS Unitec
Peening Preparation Tools

CS Unitec’s hand-held scarifiers are an ideal alternative to small-area shot blasting for cleaning and preparing concrete & metal surfaces.

Industrial Vacuum Equipment Corp.
Hurricane Vacuums
& Dust Collectors

Vacuum and dust collector hose, filters and related accessories.

Armakleen Company, The
ARMEX when nondestructive cleaning is critical

Use ARMEX to clean, remove paint and degrease a wide variety of substrates including metals, plastics, composites and masonry materials like brick, concrete and natural stone.

Technology Publishing

The Technology Publishing Network

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

EXPLORE:      JPCL   |   PaintSquare News   |   Interact   |   Buying Guides   |   Webinars   |   Resources   |   Classifieds
REGISTER AND SUBSCRIBE:      Free PaintSquare Registration   |   Subscribe to JPCL   |   Subscribe to PaintSquare News
MORE:      About   |   Privacy policy   |   Terms & conditions   |   Site Map   |   Search   |   Contact Us

© Copyright 2000-2015, Technology Publishing / PaintSquare, All rights reserved
2100 Wharton Street, Suite 310, Pittsburgh PA 15203-1951; Tel 1-412-431-8300; Fax 1-412-431-5428; E-mail