To evaluate possible reformulation products for glass cleaning.
Date Run:
06/04/2010
Experiment Procedure:
The proposed formulation products were diluted using room temperature water to a concentration (96:1). A conventional product was used at full strength for glass cleaning. In addition, the supplied current formulation was used as a control to determine relative effectiveness of the proposed formulations.
Preweighed chrome, mirror and glass coupons were coated with SSL Soil 2 (Glass soap scum: Water 51.5%, Hair gel 25.6%, Toothpaste 10.4%, Shaving cream 5.3%, Hair spray 3.7% and Spray deodorant 3.5%) using a handheld swab and allowed to dry for 24 hours at room temperature. The contaminated coupons were weighed again to determine the amount of soil added.
Three coupons were placed into a Gardner Straight Line Washability unit. A Wypall X60 reinforced wipe was attached to the cleaning sled and soaked with 5-7 sprays of cleaning solutions. Each coupon was sprayed 7-10 times with the same cleaning solution. The solution was allowed to penetrate for 30 seconds followed by cleaning in the SLW unit for 5 cycles (~10 seconds). At the end of the cleaning, coupons were wiped once with a dry paper towel. Final weights were recorded and efficiencies recorded. Visual observations were made on the coupons for spotting and filming following the general guidelines set forth in the CSPA DCC 09A. Filming is best recognized as "haziness" or overall "milkiness", while streaking is best identified as dried droplets or "spotting", usually found strung together into thin white lines. Each coupon was evaluated separately for filming and streaking, (i.e., product residues without added soil), according to a scale of "1" to "7", where:
Filming Streaking
7 = high filming 7 = high streaking poor (performance) 1 = no visible filming 1 = no visible streaking (excellent performance)
Trial Results:
All four five of the formulations had higher soil removal efficiency than at the higher concentrations. The streaking and filming again showed no real difference from one formulation to the next. All of the reformulations removed more soil than the control formulation.
Cleaner
Initial wt
Final wt
% Removed
Streaking
Filming
Ave S
Ave F
Nutrisol w/ Calsoft L40 Glass
0.0279
0.0004
98.57
1
1
1.3
1.3
0.0250
0.0004
98.40
1
1
0.0217
0.0031
85.71
1
1
Nutrisol w/ Calsoft L40 Chrome
0.0658
0.0020
96.96
0.0410
0.0023
94.39
0.0471
0.0063
86.62
Nutrisol w/ Calsoft L40 Mirror
0.0596
0.0059
90.10
1
1
0.0475
0.0038
92.00
1
2
0.0281
0.0036
87.19
3
2
Nutrisol w/ Calsoft AOS40 Glass
0.0512
0.0009
98.24
3
3
2.0
2.3
0.0520
0.0059
88.65
1
2
0.0458
0.0052
88.65
2
1
Nutrisol w/ Calsoft AOS40 Chrome
0.0497
0.0013
97.38
0.0249
0.0067
73.09
0.0274
0.0009
96.72
Nutrisol w/ Calsoft AOS40 Mirror
0.0166
0.0011
93.37
1
3
0.0242
0.0006
97.52
2
3
0.0211
0.0020
90.52
3
2
Nutrisol w/ Mirataine H2CA Glass
0.0211
0.0029
86.26
2
2
1.7
1.8
0.0313
0.0054
82.75
1
1
0.0223
0.0013
94.17
1
1
Nutrisol w/ Mirataine H2CA Chrome
0.0245
0.0032
86.94
0.0378
0.0017
95.50
0.0250
0.0009
96.40
Nutrisol w/ Mirataine H2CA Mirror
0.0252
0.0026
89.68
2
1
0.0286
0.0057
80.07
2
3
0.0360
0.0011
96.94
2
3
Nutrisol w/ SugaFax D10 Glass
0.0165
0.0010
93.94
1
1
1.3
1.3
0.0276
0.0014
94.93
1
2
0.0171
0.0012
92.98
1
1
Nutrisol w/ SugaFax D10 Chrome
0.0398
0.0058
85.43
0.0239
0.0017
92.89
0.0472
0.0009
98.09
Nutrisol w/ SugaFax D10 Mirror
0.0167
0.0020
88.02
2
1
0.0315
0.0012
96.19
2
1
0.0280
0.0028
90.00
1
2
Green Bridge Control 3-1 96-1 Glass
0.0178
0.0016
91.01
2
1
2.2
1.3
0.0252
0.0005
98.02
2
1
0.0312
0.0024
92.31
1
1
Green Bridge Control 3-1 96-1 Chrome
0.0228
0.0014
93.86
0.0294
0.0007
97.62
0.0298
0.0065
78.19
Green Bridge Control 3-1 96-1 Mirror
0.0276
0.0133
51.81
3
1
0.0210
0.0051
75.71
3
2
0.0258
0.0012
95.35
2
2
Nutrisol w/ SugaNate 160 Glass
0.0542
0.0001
99.82
2
1
1.5
2.0
0.0444
-0.0012
102.70
1
1
0.0512
0.0004
99.22
1
1
Nutrisol w/ SugaNate 160 Chrome
0.0669
0.0009
98.65
2
1
0.0476
0.0081
82.98
2
3
0.0534
0.0019
96.44
1
4
Nutrisol w/ SugaNate 160 Mirror
0.0559
0.0046
91.77
2
3
0.1079
0.0097
91.01
1
3
0.0845
0.0174
79.41
2
3
Success Rating:
A follow up test, usually based on company input.
Conclusion:
The lower dilution for the glass cleaners resulted in improved soil removal with all products removing over 85% of the glass soap scum.
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