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Trial Number 3
Trial Purpose:
Efficacy testing of Case Medical cleaner against SC Actisolv Safety Solvent at removing autoclave tape adhesive residue from aluminum, plastic, glass, and stainless steel
Date Run:
08/02/2023
Experiment Procedure:
Twelve coupons per cleaner, three of each substrate (aluminum, plastic, glass, stainless steel), had initial weights recorded before soiling. Each coupon then had a piece of autoclave tape placed on them. Each coupon with autoclave tape were then placed in an oven for 30 minutes at 250F to mimic the conditions of an autoclave. The tape was removed from each coupon with adhesive residue left behind as the soil. Dirty weights were then recorded. Each coupon was individually placed onto the Gardner-scrub Abrasion Tester machine (SLW). Microfiber towels were attached to the cleaning block used for the test. Each Wypall cloth and all coupons received three sprays of the cleaner (Three sprays=2.5ml), and the Gardner-scrub Abrasion Tester was run for 20 cycles (Equivalent to 30 seconds of cleaning). After air drying for 24 hours, final weights were taken.
Trial Results:
Barely any visual difference in any of the coupons
Cleaner
Soil
Substrate
Initial wt of cont.
Final wt of cont.
%Cont Removed
% AVG
% Overall
Case Medical Ink Remover 100%
Autoclave Tape Adhesive Residue
Aluminum
0.0029
0.0020
31.03
35.34
10.25
0.0004
0.0003
25.00
0.0012
0.0006
50.00
Glass
0.0039
0.0024
38.46
23.93
0.0009
0.0006
33.33
0.0043
0.0043
0.00
Plastic
0.0017
0.0017
0.00
0.00
0.0007
0.0007
0.00
0.0078
0.0078
0.00
Stainless Steel
0.0048
0.0040
16.67
20.50
0.0158
0.0114
27.85
0.0100
0.0083
17.00
SC Actisolv Safety Solvent 100%
Aluminum
0.0040
0.0040
0.00
11.46
2.87
0.0027
0.0019
29.63
0.0042
0.0040
4.76
Glass
0.0070
0.0070
0.00
0.00
0.0052
0.0052
0.00
0.0037
0.0037
0.00
Plastic
0.0011
0.0011
0.00
0.00
0.0078
0.0078
0.00
0.0038
0.0038
0.00
Stainless Steel
0.0081
0.0081
0.00
0.00
0.0089
0.0089
0.00
0.0059
0.0059
0.00
Success Rating:
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Conclusion:
Neither the Case Medical Ink remover or the comparative product are effective in removing autoclave tape adhesive residue from any coupons, however the Case Medical Ink Remover performed slightly better than the comparative product.
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