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Daily Quiz (7)

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

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.


Novetas Solutions
Safer Abrasive! 100% Recycled Glass!

NO Free Silica, Beryllium or other human Toxins! Great White Metal Finish and safer than Slags!
Call us at 866-775- 6226

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.

Keep your records straight!

For use in the field, with step-by-step job-specific entry spaces for the entire coating or lining project; also available in condensed version. Get it today!

NACE International, The Corrosion Society
Advance Your Coating Inspector Career

By completing the world’s most recognized program, NACE’s CIP, you’ll be better trained and qualified on inspection of surface preparation and coatings application.

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.

N.T. Ruddock Co.

Our Abrasives Hold Up Under Pressure

N. T. Ruddock focuses on abrasive selection, equipment evaluation, equipment maintenance & reduction of abrasive consumption. Other services include Screen Analysis & Background Radiation Testing.

Atlantic Design, Inc.

what we did to this machine! Let ADI upgrade your machine, extending the life, efficiency, and value. Any make. Like new, but better! 866.Call.ADI

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

New resins from BASF will have metals loving water:

Excellent corrosion resistance, low VOC, high gloss, thin films

PreTox Products - NexTec, Inc.
GOT LEAD? Specify Pretox System products

The ONLY Lead Stabilizer Compatible with All Paint Removal Methods. Works with all Blast Media: Grits | Recyclable Abrasives | CO2 | Water | Power Tools | Etc. Call Dave Steffen at 800.338.8296.

Technology Publishing

The Technology Publishing Network

The Journal of Protective Coatings & Linings (JPCL) PaintSquare
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