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Trial Number 0

Client Number 295

Project Number 1

Trial Purpose:

To evaluate laboratory selected products for the removal of the supplied cutting oil and compare to current cleaning solvents.

Date Run:

01/29/2008

Experiment Procedure:

Eight potential products were identified using the lab's on-line database, www.cleanersolutions.org, based on supplied client information. Two supplied products were included in testing to establish baseline. All ten products were used at full strength in 250 ml beakers at room temperature.

Thirty preweighed coupons were coated with Hangsterfer Laboratories Hard Cut 5418 cutting fluid using a handheld swab. The contaminated coupons were weighed a second time to determine the amount of soil added. Three coupons were immersed into each cleaning solution and manual raised and lowered in the cleaning solution to provide minimal mechanical agitation. After one minute of cleaning, the coupons were removed and dried for 30 seconds using compressed air at room temperature. Following air drying, the coupons were weighed a final time to determine the amount of soil remaining. Efficiency for each coupon was determined and average cleaning results for each product were calculated.

Trial Results:

Two of the ten products were very effective in removing over 95% of the cutting fluid using minimal agitation. These two products, Solsafe 245 and DS 104 were both more effective than two supplied Bio Spirits products.  Another four products removed over 80%. Two of these, Ionox HC2 and SC Actisolv, were as effective as the Bio Spirits 1000. The table lists the amount of cutting fluid added, the amount remaining and the efficiency for each coupon.

Cleaner Initial wt Final wt % Removed
Optisolv 7171 0.1120 0.0452 59.64
  0.1175 0.0449 61.79
  0.1620 0.0491 69.69
Ionox HC2 0.2804 0.0335 88.05
  0.1225 0.0335 72.65
  0.1201 0.0228 81.02
Solsafe 245 0.2684 0.0048 98.21
  0.0818 0.0099 87.90
  0.2229 0.0022 99.01
D Greeze 500 Lo 0.1831 0.0227 87.60
  0.0490 0.0235 52.04
  0.1452 0.0132 90.91
SC Supersolve 0.1206 0.0334 72.31
  0.1602 0.0380 76.28
  0.1422 0.0264 81.43
SC Actisolv 0.2199 0.0314 85.72
  0.0999 0.0324 67.57
  0.2812 0.0313 88.87
Organic C/D 0.1311 0.0419 68.04
  0.1620 0.0424 73.83
  0.2825 0.0619 78.09
DS 104 0.2068 0.0034 98.36
  0.2210 0.0041 98.14
  0.1832 0.0039 97.87
Bio Spirits 8020 0.2241 0.0139 93.80
  0.2251 0.0212 90.58
  0.2933 0.0251 91.44
Bio Spirits 1000 0.1607 0.0309 80.77
  0.2684 0.0334 87.56
  0.1939 0.0523 73.03

Success Rating:

Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.

Conclusion:

Two selected products outperformed both the supplied cleaning products. An additional two products were as effective as one of the current solvents. Follow up testing will be conducted on some of the supplied parts under similar conditions.

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