CleanerSolutions Database
Toxics Use Reduction Institute · Surface Solutions Laboratory
 
Toxics Use Reduction Institute




Surface Solutions Laboratory

Trial Report



Trial Number 2

(Client Number 280, Project Number 1)

Trial Purpose: To evaluate alternative cleaners on second supplied contaminant.

Date Run: 05/16/07

Experiment Procedure:
Six products from the previous trial were selected and used at full strength. The cleaning solutions were all heated to 130 F on a hot plate.
Eighteen preweighed alloy coupons were coated with the second supplied lubricant and weighed a second time to determine the amount of contaminant added to each coupon. Three coupons were immersed into each solution and cleaned for 5 minutes using stir-bar agitation. Coupons were rinsed in room temperature tap water for 15 seconds and air dried using compressed dry air for 30 seconds. A final weight was recorded and efficiencies were calculated for each coupon cleaned.

Trial Results
Five of the six products removed over 95% of the lubricant. Three of these removed over 99%. The table below lists the amount of soil added, the
amount remaining and the efficiency for each coupon cleaned.

Cleaner               Initial wt      Final wt       % Removed
Soy Gold 1100          1.4978          0.0286          98.09
                       1.5557          0.0541          96.52
                       1.5184          0.0291          98.08
Solsafe 245            1.9557          0.0186          99.05
                       1.9062          0.0077          99.60
                       2.1998          0.0053          99.76
Shopmaster RC          2.1195          0.0117          99.45
                       1.8953          0.0095          99.50
                       1.2542          0.0080          99.36
DS 108                 2.2218          0.0181          99.19
                       1.7480          0.0167          99.04
                       1.3172          0.0106          99.20
D Greeze 500 LO        2.1602          0.1368          93.67
                       1.5610          0.0311          98.01
                       2.0320          0.0392          98.07
SC Supersolve          1.8005          0.5534          69.26
                       2.2033          0.4855          77.96
                       1.8246          0.5985          67.20


Success Rating
Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.

Conclusion
The five products that removed over 95% will be tested on the third supplied contaminant under the same conditions.