PaintSquare.com
Follow us on Twitter Follow us on LinkedIn Like us on Facebook Follow us on Instagram Visit the TPC Store
Search the site

 

Advertisement

Armakleen Company, The


Problem Solving Forum

| More

April 11 - April 17, 2011

How clean must the compressed-air supply be for blast cleaning, blow down and painting? How is cleanliness of the air determined?

More items for Surface Preparation


Selected Answers

From Pongpawut Onkaew of Akzo Nobel Coatings on June 16, 2011:
     Conduct a blotter test in accordance with ASTM D 4285, Acceptance criteria is no visible oil, water or other contamination  allowed.

From Aldrin Cordovez of Kuwait Oil Company on May 28, 2011:
     A compressed air free from any form of contaminants is necessary before its usage. Its cleanliness shall be checked using the blotter test method. Any traces of water, oil and foreign matters shall not be visible on the blotter test paper before it can be utilized for such purposes.

From Gary M of T & G Services on April 14, 2011:
     It is critical that the air supply is not contaminated with oil or water during all the processes you listed. To ensure that the air is dry and clean, conduct a blotter test prior to starting each work shift and at reasonable intervals throughout the day. If contaminants are evident on the blotter test, all filters and driers that should be present in the supply line must be opened and blown out until the air is clean and passes the blotter test. If you can't achieve a passing test, added filters can be used, or the air source should be replaced.

From Carl Havemann of www.corrosioneducation.co.za on April 14, 2011:
     There are two contaminants to test for, oil and moisture. Check for oil using the Drager Oil Mist 1/a tube, Ref 6733031. Acceptance criteria is that no oil is allowed. To check for moisture, blow the compressed air onto clear glass for 30-60 seconds, then check for condensation. Acceptance criteriais that no moisture allowed. [A 5-minute test is too long, in my opinion]

From Lee Edelman of Independant on April 13, 2011:
     The air supply must be free of oil, water and other contaminants. Cleanliness is checked by doing a blotter test at the air manifold. The air supply should have moisture traps in-line and a proper aftercooler system.

From remko tas of Futuro SRL on April 13, 2011:
     Expose a sheet of white paper (taped to a board) at a distance of 1 meter for 1 minute to the airflow from the compressed air supply.There should be no visible oil stains on the white paper.

From John Gascoigne of Puget Sound Coatings on April 12, 2011:
    The air needs to be clean. Test for cleanliness by blowing into a white rag or a clear glass or plastic container for 5 minutes.

Please sign in to submit your answer this question    

Tagged categories: Air abrasive blast cleaning


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

Advertisements
 
NLB Corporation
 
NLB Sure Shroud: Greater Protection and Flexibility
 
NLB’s Sure Shroud’s lighter weight and flexibility reduces operator fatigue and offers unmatched protection against high pressure hose ruptures. 10k to 40k psi rated.
 

 
Graco Inc.
 
Graco EcoQuip 2: Experience the Difference
 
While others claim their equipment is the same, none of them compare to Graco’s EcoQuip 2™ Vapor Abrasive® blasting line. Visit graco.com/ecoquip to learn more.
 

 
SAFE Systems, Inc.
 
SAFE Systems'
Blast Lights &
Deadman Switches
 
Halogen or LED blast lights available with our NEW urethane bumper. Switches available in many colors for color coding your hoses.
 

 
SABRE Autonomous Solutions
 
Productivity
 
Personnel are free to do other tasks while the ALPHA1 does the “dirty work”.
 

 
CHLOR*RID International Inc.
 
SOLUTIONS THAT WORK
 
Companies that invest in corrosion control use CHLOR RID products
  • Soluble salt removal liquid
  • Test kits to verify contamination levels
  • Surface passivation to hold the blast
INFO@CHLOR-RID.COM 800.422.3217
 

 
Mitsubishi Gas Chemical America
 
Performance Amine 1,3-BAC
 
A highly reactive cycloaliphatic diamine offering superior performance. Reasonable cost and curing efficacy makes it suitable for all types of epoxy resin applications.
 

 
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.
 

 
ABKaelin, LLC
 
ABKAELIN EH&S SERVICES
 
Programs/Training/Monitoring for Silica, Lead, Noise, Beryllium, Hexavalent Chromium, Cadmium, Hazardous Waste*PM10 & TSP-Lead Ambient Air Monitoring*SSPC C3/C5
 

 
Modern Safety Techniques
 
Modern Safety Techniques
 
With our unique LTCat, we can help to provide clean, safe breathing air to your workers. Take a look at our Breathing Air Systems, we supply at least twice as much charcoal as our competitors! Modern
 

 
ARC / A.W. Chesterton Company
 
Superior Impact & Wear Resistant Lining
 
100% solids, impact resistant, ceramic reinforced, epoxy/urethane hybrid lining for severe abrasive wear and impact resistance.
 

 
 
 

Technology Publishing Co., 1501 Reedsdale Street, Suite 2008, Pittsburgh, PA 15233

TEL 1-412-431-8300  • FAX  1-412-431-5428  •  EMAIL webmaster@paintsquare.com


The Technology Publishing Network

Durability + Design PaintSquare the Journal of Protective Coatings & Linings 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