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Client #215

Metal

Tool Manufacturer

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Project Number 1

Summary:

Initially, eight cleaners were selected from the laboratory's database of cleaning evaluations. Based on client input, five cleaners could be used as a cold solvent, requiring no rinsing and leaving no residue. The successful products were used to clean supplied parts. Upon review by the client, cleaning was not acceptable. Additional testing on drop-in vapor degreasers were conducted. Parts were cleaned and analyzed by the client. This time the parts were acceptable. Only obstacle is cost of drop-in solvents.

Test Objective:

Explore alternative processes and chemicals

Product Use:

various tools
Trial Number Date Run Purpose Success Rating
0 09/12/2003 To evaluate cleaners for removal of quench oil Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
1 09/15/2003 To reevaluate partially successful products under heated conditions A follow up test, usually based on company input.
2 09/15/2003 To evaluate successful cleaners from previous trials on second contaminant Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
3 09/16/2003 To retest four products utilizing longer cleaning time A follow up test, usually based on company input.
4 09/19/2003 To evaluate the eight cleaners on the final contaminant A follow up test, usually based on company input.
5 09/22/2003 Reevaluate top three cleaners on supplied varnish. A follow up test, usually based on company input.
6 01/22/2004 To evaluate effective cleaners on supplied parts. A follow up test, usually based on company input.
7 01/22/2004 To evaluate cleaners on second supplied parts using immersion cleaning A follow up test, usually based on company input.
8 01/22/2004 To evaluate ultrasonic energy for cleaning the supplied parts. A follow up test, usually based on company input.
9 01/23/2004 To evaluate selected cleaners on third supplied part A follow up test, usually based on company input.
10 01/23/2004 To evaluate cleaners from previous trial at extended cleaning times A follow up test, usually based on company input.
11 05/05/2004 To evaluate TCE drop-in replacements for vapor degreasing operation. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
12 05/06/2004 To evaluate successful products on second supplied contaminant Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
13 05/07/2004 To evaluate successful products on third supplied soil A follow up test, usually based on company input.
14 05/11/2004 To conduct a preliminary evaluation of vapor degreasing on a supplied oil Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
15 05/12/2004 To evaluate three cleaners on second contaminant using vapor degreasing Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
16 05/12/2004 To evaluate three products on varnish using vapor degreasing Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.
17 05/13/2004 To evaluate products on supplied parts Results suggest a scale-up feasible match for cleaning chemistry and equipment. Pilot plant study with actual parts recommended.

Project Number 2

Test Objective:

To explore potential alternative chemistries to replace TCE in cleaning several soils within the company's applications
Trial Number Date Run Purpose Success Rating
0 05/23/2023 To test two solvents in cleaning oil and grease from stainless steel as an alternative to TCE using unheated immersion. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
1 05/25/2023 To test two solvents in cleaning oil and grease from stainless steel as an alternative to TCE using heated immersion. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
2 05/31/2023 To test two solvents in cleaning oil and grease from stainless steel as an alternative to TCE using unheated ultrasonics. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
3 06/01/2023 To test two solvents in cleaning oil and grease from stainless steel as an alternative to TCE using heated ultrasonics. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
4 07/13/2023 To find an effective aqueous cleaner to remove varnish from provided steel coupons; Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
5 07/20/2023 To find an effective solvent to remove varnish from steel coupons Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
6 07/20/2023 To find an effective solvent or aqueous cleaner to remove varnish from steel coupons Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
7 07/20/2023 To find an effective solvent or aqueous cleaner to remove varnish from steel coupons Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
8 07/27/2023 To identify additional solvents that may be more effective in removing varnish from steel coupons than the previously identified solvents. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
9 07/31/2023 To find an effective solvent to remove varnish from steel coupons Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
10 08/14/2023 To find an effective aqueous cleaner to remove varnish from steel coupons. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
11 08/14/2023 To see if previously identified solvent/cleaner successful with unheated ultrasonics will also be successful in removing varnish from steel coupons with unheated immersion. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.