The lab found two possible cleaning solutions, Tsquare HTF 85 B and US Polychem 69 MC. Pilot scale testing of the 69 MC yielded inadequate dissolving of the coating. HTF 85 B was as effective as the NMP.
Test Objective:
To determine optimum conditions and materials to clean stainless steel surfaces contaminated with polyurethane.
Product Use:
Simulation of chemical reactor walls and mixing blades. We propose to the use of small stainless steel parts to simulate reactor walls.
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
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The Toxics Use Reduction Institute at the University of Massachusetts Lowell (“TURI”), is a state agency and public institution of higher education, formed under MGL c. 75, and the Toxics Use Reduction Act (“TURA”), MGL c. 21I.
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