To evaluate client requested products on supplied parts
Date Run:
11/12/2002
Experiment Procedure:
Two products were selected based on client request for cleaning supplied parts. Both was diluted to 5% using DI water in 1500 ml beakers and heated to 130 F on a hot plate. Each solution was degassed for 5 minutes in a Crest 40 kHz ultrasonic tank. OSEE readings for six supplied parts were recorded using a PET SQM 100. Multiple readings were made for each of the parts. Three parts were cleaned in each solution for 6 minutes using ultrasonic energy. Parts were rinsed in DI water at 120 F for 15 seconds followed by drying with a Master Appliance Heat Gun at 500 F for 30 seconds. Once dry parts were dry, OSEE readings were recorded. The parts were then visibly inspected and wiped with a white towel soaked with Acetone to determine cleanliness.
Contaminant: Milacron Marketing Company CIMTECH® 310 metal working fluid concentrate (102-71-6, 78-96-6, 26896-20-8)
Trial Results:
The parts cleaned during this trial did not show any signs of the black residue after wiping with acetone soaked towels and swabs. OSEE readings showed that Det O Jet performed slightly better than the Liquinox. Table 1 below lists the OSEE readings for all six parts cleaned.
Table 1. OSEE Measurements
Det O Jet
Liquinox
Dirty OSEE
Clean OSEE
Dirty OSEE
Clean OSEE
Elbow 1 body
157
471
Elbow 4 body
202
257
154
440
184
228
146
331
247
209
162
377
211
272
151
291
191
278
137
236
188
209
151
358
204
242
Elbow 1 ring
260
573
Elbow 4 ring
225
288
272
531
293
314
246
493
244
327
323
521
314
314
271
707
339
375
445
444
365
281
Average
303
545
Average
297
317
Tee 1
154
276
Tee 2
35
273
136
321
199
268
118
315
206
243
154
288
158
288
147
311
223
268
171
268
157
239
153
248
171
201
109
305
188
321
144
383
203
288
113
354
161
272
Average
140
307
Average
170
266
Elbow 2 body
175
213
Tee 3
171
331
275
207
249
274
208
212
276
329
234
215
192
400
136
251
183
301
79
260
197
254
Average
185
226
131
233
Elbow 2 ring
181
244
164
257
170
230
262
277
213
223
198
312
185
208
Average
202
297
154
214
173
212
Average
179
222
When comparing the results from this trial with the two products evaluated previously, the Daraclean product resulted in the cleanest parts based on OSEE readings, followed by Det O Jet. Citranox and Liquinox resulted in similar cleaning effectiveness. Table 2 lists the results from both this trial and the trial conducted for Daraclean and Citranox.
Table 2. Project Cleaning Comparison
Trial 5
Trial 7
Dirty
Dirty
T
E
E Ring
T
E
E Ring
Overall
151
152
203
Overall
171
219
229
Clean
Clean
T
E
E Ring
T
E
E Ring
Citranox
275
254
330
Det O Jet
307
292
383
Daraclean
425
427
420
Liquinox
281
242
317
Acetone
165
245
288
308
298
Success Rating:
A follow up test, usually based on company input.
Conclusion:
Both products tested in this trial did remove the black coating that has been a problem for the client. Det-O-Jet was more effective than the Liquinox. When compared to the previous trial, Daraclean 282 was the most effective product evaluated thus far.
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