Browse past lab clients by general industry sectors
To evaluate possible alternatives to TCE for first supplied oil.
Eight alternative products were selected from the lab's database of testing results based on supplied client information. Products were selected based on oil removal potential and compatibility with various metal substrates. Each product was diluted to 5% in 600 ml beakers using DI water and heated to 130 F on a hot plate.
Twenty-four preweighed coupons were coated with US Oil Company US Draw 1517 (petroleum oil) using a hand held swab. Coupons were weighed a second time to determine the amount of oil added. Three coupons were cleaned in each solution for five minutes using minimal stir bar agitation. Coupons were rinsed for 15 seconds in a tap water bath at 120 F and dried using a Master Appliance Heat gun at 500 F for 30 seconds. Once dry coupons were weighed a final time and product efficiencies were calculated.
Four of the eight selected products removed over 85% of the oil from the stainless steel coupons within the five minutes of immersion cleaning. One product, Sea Wash Blue, removed over 95% of the oil. The follow table lists the amount of oil added, the amount remaining and the efficiency for each coupon cleaned.
|Cleaner||Initial wt||Final wt||% Removed|
|SC Aircraft & Metal||0.1014||0.0708||30.18|
|Surface Cleanse 930||0.3772||0.0449||88.10|
|M Aero NS||0.2269||0.0604||73.38|
|Sea Wash Blue||0.3669||0.0048||98.69|
Success Rating:Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
The four effective products will be used on the next supplied oil.