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To evaluate alternatives for a longer cleaning time.
Five products were selected based on test results from the previous trial. Each product was diluted with DI water to vendor suggested concentration. The products were then heated to 130 F on a hot plate.
The pre-contaminated stainless steel coupons were cleaned three coupons per product for another 10 minutes (15 total) using stir bar agitation. Cleaning was followed by a 15 second rinse in a tap water bath at 120 F and air blow off for 30 seconds at room temperature. Once dry, coupons were weighed a third time and efficiencies were calculated for each product tested.
All five products improved with the additional 10 minutes. The Organic Cleaner/Degreaser removed over 80% of the oil/starch mix. The table below lists the amount of soil added, the amount remaining and the percent removed for each coupon cleaned.
|Cleaner||Initial wt||Final wt||% Removed|
|SC Oven & Grill||0.0383||0.0469||-22.45|
|VPW SC 1000||0.0799||0.0368||53.94|
Success Rating:A follow up test, usually based on company input.
All five products will be cleaned for an additional 15 minutes (30 minutes total). All other conditions will be kept the same.