PaintSquare.com
      | Connect Follow us on Twitter Like us on Facebook
About | Subscribe | Advertise
  

 

Get Paint BidTracker's Bridge Painting Opportunities of 2015

Problem Solving Forum

| More

September 15 - September 19, 2014

The literature indicates that UHP waterjetting produces a profile on steel, although of a micro nature. Is this sufficient roughness for good adhesion of thin-film primers?



More items for Surface Preparation


Selected Answers

From OM PRAKASH JAT of KAEFER SAUDI ARABIA on November 20, 2014:
Yes, the profile produced by UHP waterjetting is sufficient for good adhesion of thin-film primers, in the range of  25-40 microns DFT.

From Lydia Frenzel of Advisory Council on October 18, 2014:
Yes, it is good for coatings. However, the major profile which you see after UHP waterjetting (Hydroblasting) is the profile left by the original abrasive blasting. Visualize the removal of slivers of steel or embedded abrasive particles, or the washing away of residual sand dust. In the normal course of events, pressure washing, high pressure water blasting, and UHP waterjetting reveal the profile that is under the coating or corrosion. It removes the old paint. If that profile is suitable for the paint, then paint over it. When the water jetting pressure is above theshhold pressure limit, then it can profile the metal. See VanKuiken, US patents for Aluminum. The coatings wet and adhere much better than over solid abrasive profiles. The companies who make profiles on small metal parts with only use water with robotic control to keep the profile consistent.

From robert turner of Newport News Shipbuilding on October 10, 2014:
Coating thickness does play a role. For instance, if it is heat- resistant aluminum paint applied at much less than 1 mil, it may be appropriate. But if it is an epoxy coating that goes on at 4-6 mils, then no. There are a lot of other factors that go into this, such as service environment (hot/cold/ambient, immersion, weathering, etc.) and the coating applied. In short, one must evaluate a myriad of factors.

From gilbert urma of HHIC-phil on October 7, 2014:
The profile produced by UHP water jetting is the best for thin-film coatings because the substrate's peak will be coated.

From Francis Goss of Rienecker Projektmanagement on October 2, 2014:
It depends on the product. It is best to consult the manufacturer of the paint you plan to use.

From ramon mccloskey of realisticlondonltd on September 25, 2014:
Yes.

From Warren Brand of Chicago Coatings Group on September 19, 2014:
Short and sweet (I hope I'm right.): no.

Please sign in to submit your answer this question    

Tagged categories: Coating / Film thickness; Surface preparation; Surface profile; UHP waterjetting


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

Axxiom Manufacturing
Schmidt Introduces
the New miniBRS

Reduced in size, it is incredibly easy to maneuver and operate! The perfect alternative to larger blast & recovery units when project space is limited.
Call 1-800-231-2085


Harsco
Find BLACK BEAUTY® Abrasives

Use our online tool to search by address, city or zip code to find where you can buy BLACK BEAUTY® abrasives. Or call us toll free: 1-888-733-3646


NLB Corporation
VacLance cleans up as you do surface preparation

Add vacuum recovery to any NLB rotating water jet lance with a VacLance attachment and vacuum source. Model DM32283 works vertically, horizontally and in corners.


Minerals Research & Recovery

HIGH PERFORMANCE ABRASIVES


“Made in the USA!”

Why recycle waste from other countries? Go FASTER, CLEANER, at 1/3 THE COST with MR&R “All-American” Sharpshot®HP!!

WATCH THE VIDEO


Novatek Corporation
Dustless Coatings Removal

Strip it, clean it, and profile it,
all dust free! High production
rates and Blast like finishes.
Comply with new lead
standards.


CHLOR*RID International Inc.
Free Webinar

Learn about soluble salts, along with a discussion on allowable levels.
More information at
www.chlor-rid.com,

800-422-3217


Advanced Recycling Systems
ADVANCED RECYCLING SYSTEMS (ARS)

Recycling Machines, Dust Collectors, Rapid Deployment units are time-tested and approved for the rugged industrial environment. Contact ARS today!
(330)536-8210


Absolute Equipment/Grand Rental Station
Portable Power from Absolute Equipment

•Compressors
•Lighting Systems
•Generators
•Light Compaction
Sales • Rental • Service
Call 1-866-931-6655
Over a century of
providing excellence.


Atlantic Design, Inc.
POWER ON WITH ADI!

The most air flow possible… In the smallest package imaginable… For a price you won’t believe! 866.Call.ADI

 
 
 
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 PaintSquare.com   |   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 webmaster@paintsquare.com