To evaluate aqueous cleaning products for machine oil removal from Barry Industries parts and determine the best recommended product.
Date Run:
08/06/2019
Experiment Procedure:
One pre-soiled ceramic part was used per cleaner. Dilutions and temperatures used for each cleaner were based on vendor recommendations. Coupons were immersed with a stir bar individually for 15 minutes with visual observations being recorded every five minutes. Cleaned coupons were rinsed in heated (95o F) tap water for five minutes and dried for five minutes with an air gun. All Barry Industries parts were photographed after cleaning (see Appendix A). A final cleanliness ranking was conducted comparing to clean parts provided by Barry Industries.
Overall Cleanliness Rating Table
Score
Description
1
Total removal of contaminant. No residue.
2
Partial removal of contaminant. Some residue remaining.
3
Minimal removal of contaminant. Substantial amount of residue remaining.
Trial Results:
Visual Observations
Ceramic
Cleaner
5 Mins
10 Mins
15 Mins
Rinse
1
- bubbles forming at top of dilution
- oil appearance on surface
- soil still remaining on edges
- dilution is clear
- thin rim of bubbles
- some particles still floating
- dilution is clear
- minimal bubbles
- no color change
2
- small bubbles forming
- particles floating in dilution
- dilution is clear
- thin rim of bubbles
- some particles still floating
- dilution is clear
- minimal bubbles
- no color change
3
- small bubbles floating
- bubbles swirling
- clear thin rim of bubbles
- dilution is clear
- minimal bubbles
- no color change
Overall Cleanliness Ranking
Cleaner
Ranking
1
1
2
1
3
1
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
For the ceramic substrate, all chemistries evaluated were effective.
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