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Client #465

Musical Instrument Manufacturer

Brass Instrument Manufacturer

Project Number 1

Test Objective:

Find an alternative aqueous cleaner to remove oil, lubricants, grease, and buffing compounds to avoid going back to TCE vapor degreasing.

Product Use:

Instruments
Trial Number Date Run Purpose Success Rating
0 01/01/1970 To evaluate the effectiveness of aqueous-based and solvent-based cleaners at the removal of American Lapping Compound by S.E Shires using unheated immersion on copper, brass, and copper/nickel (90/10) substrates by gravimetric and visual analysis. Test showed little or no promise.
1 03/27/2020 To evaluate the effectiveness of aqueous-based and solvent-based cleaners at the removal of American Lapping Compound by S.E Shires using heated immersion on copper, brass, and copper/nickel (90/10) substrates by gravimetric and visual analysis. Test showed little or no promise.
2 01/25/2022 To evaluate the removal of oil from brass pieces provided by the company using industrial degreasers. A follow up test, usually based on company input.
3 02/15/2022 To evaluate the removal of sliding gel from brass parts provided by the company. A follow up test, usually based on company input.
4 05/24/2022 To test the effectiveness of cleaners on USP Gk-7 Lap Compound Preliminary compatibility tests on substrate coupons encouraging for at least one cleaning chemistry. More in-depth laboratory testing necessary.

Project Number 2

Test Objective:

To find a better alternative cleaner to the currently used cleaner, Metalnox M6345, within an unheated ultrasonics method. Other methods apart from unheated ultrasonics may also be considered.

Product Use:

brass instruments
Trial Number Date Run Purpose Success Rating
0 11/09/2023 To evaluate the effectiveness of aqueous cleaners in removing several soils from brass coupons. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
1 11/14/2023 To evaluate the effectiveness of aqueous and non aqueous cleaners in removing a variety of oil and grease soils from brass. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
2 12/20/2023 To evaluate the effectiveness of aqueous and non aqueous cleaners in removing a variety of oil and grease soils from brass. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
3 01/18/2024 To evaluate the effectiveness of aqueous and non aqueous cleaners in removing a variety of oil and grease soils from brass. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.
4 01/31/2023 To evaluate the effectiveness of aqueous and non aqueous cleaners in removing a variety of oil and grease soils from brass. Results successful using TACT (time, agitation, concentration, and temperature, as well as rinsing and drying) and/or other cleaning chemistries examined.