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Trial Number 433

Trial Purpose:

Laboratory evaluations of alternative cleaning products

Date Run:


Experiment 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.


All glass cleaning formulations removed over 75% of the glass soil using manual wiping.

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