Seven cleaners were selected from the laboratories database of past testing based on supplied data from client. All products were used at full strength also in 250 ml beakers. All products were also used at room temperature. Twenty-one preweighed ceramic coupons were coated with client supplied wax, Zopher Mills Inc No 1563 Wax (mixture of waxes and resins). The wax was first melted using a Master Appliance heat gun in a beaker and applied directly to the coupon surface. The coupons were allowed to cool to room temperature before weighing a second time. Three coupons were cleaned in each solution for 30 minutes using stir-bar agitation. Coupons were rinsed in tap water for 15 seconds at 120 F, followed by air blow off at room temperature. Once dry, coupons were weighed a final time and efficiencies for each cleaner were calculated.
Trial Results:
Three products removed over half of the wax within the 30 minutes. Of these the Citrus Pure removed over 85% of the wax. The table below lists the amount of wax added and the amount remaining after cleaning.
Cleaner
Initial wt
Final wt
% Removed
Bio T 300 B
0.3040
0.0494
83.75
0.3166
0.0828
73.85
0.5694
0.2018
64.56
D-Limonene
0.4505
0.2704
39.98
0.4144
0.1521
63.30
0.3475
0.1142
67.14
SC Supersolve
0.4816
0.4814
0.04
0.4326
0.4273
1.23
0.2456
0.2427
1.18
3-D Degreaser
0.3359
0.3305
1.61
0.2341
0.2039
12.90
0.3788
0.3736
1.37
Citrus-Pure Remover
0.3000
0.0241
91.97
0.3655
0.0991
72.89
0.2170
0.0181
91.66
SoySolv II
0.4546
0.4211
7.37
0.3020
0.2797
7.38
0.4335
0.4047
6.64
DBD 6
0.5307
0.5213
1.77
0.3592
0.3546
1.28
0.3567
0.3375
5.38
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
The successful products from both trials may be more effective at a higher temperature, however some of these products have a flash point below 140 F. Ultrasonics may also improve the removal of the wax.
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