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Trial Number 5

Trial Purpose:

To find other alternative cleaners for the cleaning of adhesives

Date Run:

04/02/1999

Experiment Procedure:

Three products were selected for the cleaning trial based on vendor information. Twenty-five milliliters of each cleaner were poured into a 30 mL vial. Approximately 0.5 gram of the contaminant was weighed and placed into each beaker. Each vial was covered with the supplied cap and shaken for 30 seconds. Observations were recorded. The shaking and observation cycle was repeated.
SUBSTRATE MATERIAL: None
CONTAMINANTS: Adhesive (neoprene with resin base with mix of toluene, hexane and MEK)

Trial Results:

Only one of the three cleaners showed any immediate signs of dissolving the adhesive.  After sitting for three nights, a second cleaner did begin to dissolve the contaminant.  Table 1 lists the results for each cleaner.

 

Table 1.  Cleaning Observations

 

Cleaner

 

SI NO 4

 

SI NO 8

 

HD 34

 

5 minutes

 

good dissolving

 

no dissolving

 

no dissolving

 

10 minutes

 

more dissolving

 

no dissolving

 

no dissolving

 

2 hours

 

Similar to Resineater Results

 

no dissolving

 

no dissolving

 

3 days

 

Similar to Resineater Results

 

Some dissolving

 

no dissolving

Success Rating:

Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.

Conclusion:

SI No 4 showed good dissolving capability of the adhesive.  It performed very similar to Fingerlakes Resineater from previous testing.  MSDS for this product has been included as well as a  contact name.

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