In total, the SSL evaluated 31 products on the six inks using manual cleaning. Ten aqueous products were ineffective on the Dykem ink and were discontinued from testing. Of the twenty-one semi-aqueous products, five had excellent removal, three were good, six were okay and the remaining products had little to no removal of the Dykem. Four products removed over 90% of the Markal, another four removed over 80%, three removed over 70% and one was ineffective. Two products were determined to be the same formulation with different names from the same vendor. This dropped the number of products down to ten possible products. On the Nu-Mark, four products removed over 90%, two over 80%, three over 70% and one under 50%. The Sharpie marker proved difficult to obtain accurate gravimetric results and effectiveness was based on visual cleanliness and time to remove the ink. The same was true for the Avery marker. The remaining ink from Sakura had six product remove over 90% and the remaining four remove under 60%. All of the selected products had VOC levels below the 2 pounds per gallon range except for one which had 2.1 pounds per gallon.
Test Objective:
To identify a HAP free, low voc cleaner for removing various types of ink.
To evaluate top products on second supplied ink using manual wiping.
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.
To evaluate selected products on fourth supplied ink using manual wiping.
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
To evaluate top ten products on fifth supplied ink
Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
To evaluate reformulated product on six supplied inks.
Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
Terms and Conditions
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Who We Are
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.
These Terms of Service (“Terms”) govern your access to and use of our services, including the TURI website, the CleanerSolutions™ online tool, the TURA Data online tool, and the P2OASys™ online tool, and our other covered services that link to these Terms (collectively and individually referred to as the “Services”), and any information submitted or uploaded by you to the Services (“User Content”). Note that “User Content” is distinguished from “Non-User Content”, wherein “Non-User Content” is defined as all other content accessible on the Services. Both “User Content” and “Non-User Content” is referred to collectively herein as “Content.” By using the Services you agree to be bound by these Terms.
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We reserve the right to remove or modify any Content in our sole discretion and without notice.
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General
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