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Trial Number 4

Client Number 259

Project Number 1

Trial Purpose:

To evaluate selected products on cleaning supplied parts.

Date Run:

05/08/2006

Experiment Procedure:

Three selected products were diluted to 5% using DI water and one was used at full strength in 600 ml beakers. The cleaning solutions were heated to 130 F in an ultrasonic tank.

The supplied parts were coated with RPM Wood Finishes Group paint mixtures. One end of spindle was immersed into a cleaning product and cleaned for 30 minutes using a 40 kHz ultrasonic tank. Visual observations were made at 5, 10, 20 and 30 minutes. After the cleaning, the part was rinsed in a tap water spray for 15 seconds at 120 F and air dried for 30 seconds at room temperature. The parts were then rubbed with a gloved hand to determine how easily the paint could be removed.

Due to the number of supplied parts with this paint type, one spindle was cleaned in two products, one per each end. The cleaning solution that worked the best was then used to re-clean the opposite end so that the supplied part was eventually cleaned by one product.

Trial Results:

Each of the four products removed some of the paint from the supplied parts. The observations made for each product are listed in the table below.

Cleaner Time End Observations
Solsafe 245 5 1-Points Started to dissolve paint, became cloudy
  10   Paint "bubbling" from surface
  20   Paint was peelable
  30   Paint could be brushed off
Inproclean 4000 T 5 1-Base Removed oil and some of the paint
  10   Paint removed from base
  20   Paint removed from middle plate
  30   Nearly clean
A 2000 XS 5 2-Points Started dissolving paint
  10   Some peeling
  20   Paint smeared when wiped
  30   Could be brushed off
Surface Cleanse 5 2-Base Some oil removal
  10   Could wipe paint off
  20   Good paint removal - less than 4000 T
  30   Some paint remaining
       
Re-Cleaned      
Inproclean 4000 T 5 1-Points Brush off paint
  10   Peel paint off
  20   Area with thick paint still coated
  30   Scrape off paint - Most effective
Surface Cleanse 5 2-Points Some removal
  10   Brush paint off
  20   Still paint remaining
  30   Areas with thick paint still coated

Success Rating:

A follow up test, usually based on company input.

Conclusion:

Inproclean 4000 T had the most success followed by Surface Cleanse 930. Photos of before and after have also been included on the following page.

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