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Toxics Use Reduction Institute · Surface Solutions Laboratory
 
Toxics Use Reduction Institute




Surface Solutions Laboratory

Trial Report



Trial Number 21

(Client Number 275, Project Number 1)

Trial Purpose: To evaluate supplied products for glass cleaning using manual cleaning

Date Run: 03/16/10

Experiment Procedure:
Preweighed chrome and three 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 hand held 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.

Trial Results
All three supplied products removed over 98% of the glass soap scum using manual cleaning. One product had filming and spotting levels below the
acceptable level from Green Seal. The other two products had better results than the conventional product for filming and streaking. The table lists
the amount of soil added, the amount remaining and the efficiency for each coupon cleaned.

Cleaner Initial wt   Final wt     % Removed      Film 1 Film 2 Film Ave Spot 1 Spot 2 Spot Ave
PC 101 glass                                                                                
        0.0512       -0.0010       101.95           3     3      4.8       2    2       3.5
        0.0457        0.0009        98.03           5     4                5    4        
        0.0395        0.0005        98.73           6     5                5    5        
PC 101 mirror                                                                               
        0.0678        0.0011        98.38           7     4                3    4        
        0.0527        0.0008        98.48           6     5                4    3        
        0.0601        0.0030        95.01           5     5                3    2        
PC 120 glass                                                                            
        0.0415        0.0001        99.76           2     2      3.5       4    3       3.2
        0.0345       -0.0005       101.45           3     2                4    3        
        0.0299        0.0005        98.33           2     3                2    3        
PC 120 mirror                                                                                
        0.0683        0.0012        98.24           4     3                4    3        
        0.0403        0.0009        97.77           6     5                3    2        
        0.0436        0.0003        99.31           6     4                4    3        
PC 220 glass                                                                               
        0.0188       -0.0001       100.53           2     1      2.6       1    1       2.3
        0.0205        0.0004        98.05           1     1                1    1        
        0.0270        0.0007        97.41           1     2                1    2        
PC 220 mirror                                                                                
        0.0327        0.0003        99.08           4     3                3    3        
        0.0339        0.0004        98.82           6     4                4    2        
        0.0356        0.0011        96.91           3     3                5    4        
Vision glass                                                                                
        0.0417        0.0002        99.52           6     3      5.3       2    2       3.6
        0.0335        0.0001        99.70           5     4                2    2        
        0.0291        0.0008        97.25           6     5                4    3        
Vision mirror                                                                                
        0.0511        0.0007        98.63           6     5                4    4        
        0.0333        0.0004        98.80           6     6                4    3        
        0.0383        0.0012        96.89           7     5                7    6


Success Rating
A follow up test, usually based on company input.

Conclusion
The three products had an overall average removal efficiency greater than 85% and as well as the conventional cleaning product. Only one product PC 200 had acceptable filming and streaking levels. However all three supplied products had better results than the conventional product.