To screen potential cleaning products for removing paint/resin from steel parts
Date Run:
10/19/2007
Experiment Procedure:
Six products from the previous trial were identified for further testing. While all 14 previous products showed potential, products were picked for more extensive testing based on performance, EH&S and possible cost considerations. 100 milliliters of each product at 100% solution were placed in a 200 ml beaker, except Micro 90, a 10 and 20 % solution were used. A small piece of cured paint/resin taken from a supplied bucket of resin and was placed in the beaker.
The paint/resin was allowed to sit in the solution to determine what effect the cleaning products would have. Observations were made at 30, 60, 120 and 180 minute intervals as well as overnight. Any signs of interaction between paint/resin and cleaner were recorded.
Trial Results:
Product
Initial Appearance and observations
Micro 90 10%
Clear, resin sinks to bottom of beaker
30 min
No Change
60 min
No Change
120 min
No Change
180 min
No Change
overnight
Resin slightly soft, piece can be pulled apart
EnviroCare Floor
Clear, resin sinks to bottom of beaker
Stripper
30 min
No Change
60 min
No Change
120 min
Resin slightly softened
180 min
No change
overnight
solution was still clear. The resin was soft and crumbled when touched
Green Solution
Clear, resin sinks to bottom of beaker
30 min
No Change
60 min
No Change
120 min
Resin slightly softened
180 min
No change
overnight
Solution light brown color so some dissolving. The resin was soft and crumbled when touched
Vertrel XP 10
Clear, resin floats
30 min
No change
60 min
No change
120 min
No change
180 min
Resin slightly softened
Overnight
Solution still clear. Resin was brittle and broke easily
OS 30
Clear, resin sinks to bottom of beaker
30 min
No change
60 min
No change
120 min
No change
180 min
Resin slightly softened
Overnight
Solution still clear. Resin was brittle and broke easily
Microcare MCA
Clear
30 min
No change
60 min
No change
120 min
No change
180 min
Resin slightly softened
Overnight
Solution still clear. Resin was brittle and broke easily
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Again, all products showed some promise, but the Rochester Midland and Spartan products showed the most and are some of the top choices in the EH&S and economic categories. These two will be tested further in heated immersion and ultrasonics testing to find the optimum time for cleaning and under what conditions.
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