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Trial Number 0

Trial Purpose:

To evaluate three all-purpose cleaner products for Hucker’s soil removal from various surfaces.

Date Run:

09/06/2018

Experiment Procedure:

Nine pre-weighed coupons per cleaner (three Ceramic, three Plastic, and three Painted Metal) were coated with a 0.5g of Hucker’s Soil at room temperature (68 F) using a handheld swab. The contaminated coupons were air dried for two hours at room temperature and weighed again to determine the amount of soil added. Three coupons of each substrate were placed in the Straight-Line Washability (SLW) unit, and a KC Wypal reinforced paper towel was attached to the cleaning sled and treated with two sprays of cleaning solution; each coupon was sprayed twice with the same cleaning solution. The SLW unit ran for 20 cycles (equivalent of 30 seconds of cleaning). Coupons were air dried after cleaning before recording final weights.

Trial Results:

Crest All Purpose and Formula 409 left some dirty areas and contained streaks due to the brush from the manual abrasion equipment, and 7th Gen All Purpose Natural left soap residue on the coupons after cleaning.

Cleaner Substrate Initial wt of cont. Final wt of cont. %Cont Removed % Average % Overall Cleaner
Crest All Purpose Ceramic 0.1759 0.0058 96.70 91.01 92.49
0.1760 0.0164 90.68
0.1545 0.0222 85.63
Plastic 0.2334 0.0152 93.49 95.31
0.2340 0.0093 96.03
0.2696 0.0097 96.40
Painted Metal 0.1872 0.0078 95.83 91.17
0.1866 0.0287 84.62
0.2031 0.0141 93.06
7th Gen All Purpose Natural Ceramic 0.1614 0.0036 97.77 97.54 96.74
0.1654 0.0036 97.82
0.1858 0.0055 97.04
Plastic 0.3027 0.0146 95.18 95.30
0.2968 0.0081 97.27
0.2593 0.0170 93.44
Painted Metal 0.1514 0.0025 98.35 97.39
0.1458 0.0034 97.67
0.1636 0.0063 96.15
Formula 409 Ceramic 0.1611 0.0645 59.96 74.16 85.15
0.1418 0.0014 99.01
0.1471 0.0537 63.49
Plastic 0.2675 0.0088 96.71 93.81
0.2044 0.0181 91.14
0.2661 0.0171 93.57
Painted Metal 0.1526 0.0212 86.11 87.49
0.1480 0.0101 93.18
0.1450 0.0244 83.17

Success Rating:

A cleanliness study, addressing only various analytical techniques.

Conclusion:

Crest All Purpose was as effective as 7th Generation All Purpose Natural and Formula 409 when it came to removing Hucker’s soil on ceramic, plastic, and painted metal.

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