To evaluate the effectiveness of LFE Enzymatic cleaners in conjunction with Acetic acid sanitizer in cleaning and sanitizing stainless steel alloys 304 and 316.
Experiment Procedure:
Six stainless steel coupons were used, three being the 304 alloy and three being the 316 alloy. The initial weights of each coupon were taken. The coupons were then soiled with Cedar's Chocolate Hommus by wiping a thin layer, but leaving some chunky spots, and the bottom half of the substrate. The dirty weights of each coupon were then taken. Coupons were immersed in the heated cleaner LFE Enzymatic cleaner 2.5% (130 F) and put in the ultrasonics machine for 20 mins. Directly after removing the coupons from the cleaner, they were then immersed in the sanitizer Acetic acid sanitizer 0.15% at room temperature (68 F) and put in the ultrasonics machine for five minutes. The cleaned coupons were left to air dry for 8 hours. ATP levels were measured using Hygenia ATP Swabs followed by clean weights being taken for each coupon.
Trial Results:
Cleaner
Substrate
Initial wt of cont.
Final wt of cont.
%Cont Removed
% AVG
% Overall
LFE Enzymatic Cleaner
Stainless steel 304
0.2486
0.0058
97.96
98.25
98.33
0.2705
0.0049
98.19
0.2373
0.0033
98.61
LFE Enzymatic Cleaner
Stainless Steel 316
0.3617
0.0058
98.40
98.40
0.2625
0.0038
98.55
0.2450
0.0043
98.24
ATP Results
Cleaner
Substrate
ATP Level
Avg
Overall
Acetic Acid Sanitizer
Stainless Steel 304
13
8.33
13
8
4
Acetic Acid Sanitizer
Stainless Steel 316
12
17.67
35
6
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
LFE Enzymatic Cleaner 2.5% (130 F) is a highly effective cleaner for removing chocolate hummus from stainless steel alloys 304 and 316. Acetic Acid 0.15% is a reasonably effective sanitizer for stainless steel.
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