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Trial Number 2

Client Number 218

Project Number 1

Trial Purpose:

To evaluate successful cleaners using elevated temperatures

Date Run:

02/11/2004

Experiment Procedure:

Four cleaners were selected from the past trials for this wax. All products were used at full strength also in 250 ml beakers. All products were heated to 100 F on a hot plate. Twelve preweighed ceramic coupons were coated with client supplied wax, Zopher Mills Inc No 1563 Wax (mixture of waxes and resins). The wax was first melted using a Master Appliance heat gun in a beaker and applied directly to the coupon surface. The coupons were allowed to cool to room temperature before weighing a second time. Three coupons were cleaned in each solution for 30 minutes using stir-bar agitation. Coupons were rinsed in tap water for 15 seconds at 120 F, followed by air blow off at room temperature.
Once dry, coupons were weighed a final time and efficiencies for each cleaner were calculated.

Trial Results:

All four products removed over 75% of the wax within 30 minutes. Two products, Uni Clear and Bio T 300 B, removed over 90% of the soil. The table lists the amount of soil applied and remaining after cleaning.

Cleaner Initial wt Final wt % Removed
Uni Clear 0.4814 0.0282 94.14
  0.4273 0.0356 91.67
  0.2427 0.0021 99.13
Bio T 300 B 0.3305 0.0168 94.92
  0.2039 0.0031 98.48
  0.3736 0.0712 80.94
D Limonene 0.4211 0.0934 77.82
  0.2797 0.0769 72.51
  0.4047 0.0899 77.79
Citrus Pure 0.5213 0.1064 79.59
  0.3546 0.0032 99.10
  0.3142 0.0631 79.92

Success Rating:

A follow up test, usually based on company input.

Conclusion:

All four products will be tested at room temperature using ultrasonic energy.

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