Trial Purpose:
Laboratory evaluations of alternative cleaning products
Date Run:
11/20/2007Experiment Procedure:
Basic cleaning performance testing was conducted using ASTM G122 as the bases for cleaning.
Several "do-it-yourself" home formulations were evaluated for performance on several substrates and typical soils for glass cleaning.
Cleaning: Spray cleaner on the coupons
10 secs Manual Wipe cleaning at 130 F
Contaminant: SSL Soil 2 - Glass
Substrate 2"x 4"x 0.06
Glass Coupons
Chrome Coupons
Window & Glass cleaners
Home Formulation 10 - Undiluted vinegar in a bottle
Home Formulation 11 - Equal parts vinegar and water in a bottle
Home Formulation 12 - ½ cup lemon juice and 2 cups water in a spray bottle
Home Formulation 13 - ½ cup vinegar or lemon juice, 2 cups water, ¼ tsp veg oil-based soap (Murphy’s) and put in bottle
Home Formulation 14 - ½ cup cornstarch with 2 qts warm water. Apply with sponge and wipe with absorbent towel or cloth. NOTE, do not do on a sunny day or when windows are warm. Solution will dry and cause streaking
Home Formulation 15 - NO Streak Glass Cleaning, ¼ cup white vinegar, 1tbsp corn starch and 1-quart warm water.
Home Formulation 16 - Rubbing alcohol will also clean windows and glass
Trial Results:
| Product | Substrate | Average (%) |
| Formulation 10 | Glass | 90.05 |
| Chrome Plated | 80.72 | |
| Formulation 11 | Glass | 86.61 |
| Chrome Plated | 89.1 | |
| Formulation 12 | Glass | 82.81 |
| Chrome Plated | 89 | |
| Formulation 13 | Glass | 76.63 |
| Chrome Plated | 83.4 | |
| Formulation 14 | Glass | 80.21 |
| Chrome Plated | 77.82 | |
| Formulation 15 | Glass | 80.59 |
| Chrome Plated | 87.28 | |
| Formulation 16 | Glass | 85.39 |
| Chrome Plated | 100.04 |
Success Rating:
Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.Conclusion:
All glass cleaning formulations removed over 75% of the glass soil using manual wiping.
