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Daily Quiz (6)

True or false: According to a recent JPCL article, planing is more effective than shotblasting in removing asphalt, latex, adhesives and other materials that are thicker than 2 mm from concrete floors.

Why is crystalline silica sand more likely to cause silicosis when it is used for abrasive blasting, as opposed to when it blows around on a beach?

What is the typical pressure range for water jetting when it is used to remove coatings and corrosion from structural steel?

True or false: Ultra-high-pressure water jetting at 30,000 psi typically produces a lower volume of water in removing coatings from a masonry substrate than does pressure washing at 5,000 psi.

To totally remove coatings from brick and at the same time to minimize substrate damage and avoid generation of airborne dust, which of the following surface preparation methods makes the most sense?

True or false: In preservation work on historic structures, abrasive blasting is normally recommended by conservators for coating removal from brick substrates.


SSPC: The Society for Protective Coatings
SSPC 2016 Register Now!

SSPC2016 is earlier this year, don't forget to book your plane tickets and hotel. See you soon. For more information visit

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.

Atlantic Design, Inc.

to see what we did to this dust collector! ADI can increase the efficiency and life of your equipment! Any brand, for less than new! 866.Call.ADI

Clemco Industries Corp.
Powerful Protection in a Small Package

Mounts inside blast helmet, alerts operator to dangerous breathing-air condition by audible, visual, and vibratory alarms. Easily calibrated, battery operated.

Abrasives Inc.
Check our Prices for Blast Abrasives

Faced with higher abrasive costs? We invite you to call & check our rates on Black Magic® coal slag and other quality blast materials. Abrasives Inc. 800-584-7524

Carboline Company
Fireproofing Solutions

Pyroclad® X1 Thermo-Lag® Pyrocrete® – protecting against hydrocarbon and jet fires, explosions, and cryogenic spills.

Avalotis Corporation
Choose experience. Choose quality. Choose safety.

Avalotis Corporation has been meeting and exceeding clients’ specifications and expectations for almost 50 years. The first name in painting and protective coatings: Avalotis.

Ethox Chemicals LLC
Ethoflex® ER instantly upgrades your epoxy!

The only epoxy additive that improves flexibility, corrosion resistance, toughness, and adhesion, without hurting pot life, cure time, or increasing VOCs.

Absolute Equipment/Grand Rental Station
Portable Power from Absolute Equipment

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Call 1-866-931-6655
Over a century of
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The Journal of Protective Coatings & Linings (JPCL) PaintSquare
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