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Trial Number 5

Trial Purpose:

To evaluate supplied product for DCC-17 removal from stainless steel and aluminum surfaces following TURI’s cleaning method.

Date Run:


Experiment Procedure:

The following experimental procedure is in accordance with TURI’s cleaning standard operating procedure for kitchen soil removal.

Soiling Process:

A set of pre-weighed stainless steel and aluminum coupons were contaminated with 0.5 grams of DCC-17 soil using a handheld swab onto the center of the coupon’s surfaces. DCC-17 was made with the following ingredients: Vegetable Shortening 33%, Lard 33%, Vegetable Oil 33%, and Carbon lampblack 1%. After all the stainless steel and aluminum coupons were contaminated with DCC-17 soil, the coupons were allowed to sit overnight then re-weighed to determine the amount of contaminant added.

Cleaning Process:
Three soiled substrates were placed into a Gardner Straight Line Washability unit. Two Wypall X60 reinforced wipe was attached to the cleaning sled and soaked with 1 spray of cleaning solutions. The cleaning solutions were diluted to the desired concentrations specified by the vendor and heated to a temperature of 110 oF. Each substrate was sprayed 1 time with the same cleaning solution. The solution was allowed to penetrate for 30 seconds and followed by cleaning in the SLW unit for 20 cycles (~33 seconds).

Efficacy Rating Process:

The substrates were left to dry at room temperature for an hour before weighing to determine the amount of contaminant removed.

Trial Results:

The objective of the experiment is to compare the efficacy of the sampled cleaner Vi-Jon Economy Pot & Pan with the comparative cleaner Brady Pot & Pan through gravimetric and visual efficacy evaluations.

Comparative Analysis:
Vi-Jon Economy Pot & Pan and Brady Pot & Pa were similar in performance levels, with respective efficacy ratings of 79.04% and 77.51%. On aluminum coupons, Vi-Jon Economy Pot & Pan comparable to Brady Pot & Pan; with a respective efficacy of 86.53% as compared to 90.05%. Table pertaining to the amount of contaminant added and removed using a gravimetric scale by its respective cleaning agent to measure the efficacy of the cleaners.

Cleaner Initial wt (g) Final wt (g) % Removed
Brady Pot & Pan Stainless Steel      
  0.4724 0.1749 62.98
  0.4875 0.0786 83.88
  0.4938 0.0708 85.66
Brady Pot & Pan Aluminum      
  0.4905 0.0442 90.99
  0.4923 0.0568 88.46
  0.4909 0.0457 90.69
Vi-Jon Economy Pot & Pan Stainless Steel      
  0.4869 0.113 76.79
  0.5017 0.1429 71.52
  0.47 0.0526 88.81
Vi-Jon Economy Pot & Pan Aluminum      
  0.4918 0.0564 88.53
  0.4885 0.0677 86.14
  0.497 0.075 84.91

Success Rating:

A cleanliness study, addressing only various analytical techniques.


The supplied products from Vi-Jon compared equally with the Brady brand products.

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