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Trial Number 3

Trial Purpose:

To identify additional cleaning products for PVC removal.

Date Run:

12/11/2008

Experiment Procedure:

Nine additional products were selected from the lab's on-line database, www.cleanersolutions.org, based on client supplied information and past testing results. All products were used at full strength. The supplied PVC tubing was cut into one inch pieces and immersed into each solution at room temperature. Observations were made at 10, 30, 60, 120, 240 and 480 minutes. Successful products were determined by touching/squeezing the tubing after each interval. If there was any surface change, the product was considered to be successful.

Trial Results:

Observations for each product at each interval are listed below using the following key:

NS - no sign of change
NC - no change from previous observation
SS - some softening
LS - little softening
MS - more softening
TC - texture change

Time Interval Observations

  10 30 60 120 240 480
Canola Gold NS NS NA NS SS NC
Soy Gold NS NS SS SS SS NC
Shopmaster RC NS SS TC MS MS MS
Bean-e-doo NS NS NS SS SS NC
Solsafe 245 NS NS NS TC LS LS
Harvest Gold NS NS NS NS NS NS
SC Soyester NS NS NS SS SS NC
Graffiti Remover NS NS SS LS NC NC
Soyclear 1500 NS NS NS NS NS NS

Success Rating:

A follow up test, usually based on company input.

Conclusion:

The Shopmaster RC had results that were similar to the DBE 6 previously tested. The four products that showed the most signs of softening the PVC tubing will be retested at an elevated temperature.

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