BRASS MUSICAL INSTRUMENT CLEANING

Cleaning prior to lacquering

1. Ultrasonic clean 130° F,  2 to 3 minutes,   38 to 40 kHz sweep, 300 Hz SR

Chemistry, Ultra-power 444,  1 to 4 ounces per gallon of water

2. Spray rinse with de-ionized water to remove gross detergent

3. Immersion rinse in flowing warm de-ionized water  (30 seconds)

4. Spray rinse with de-ionized water (final rinse)

5. Blow dry with very clean compressed air or dry nitrogen

Cleaning to remove calcium buildup (replaces “chem-clean”)

1. Ultrasonic clean <110° F,  2 to 3 minutes,   38 to 40 kHz sweep, 300 Hz SR

      Chemistry, Ultra-power 132,  1 to 1½ ounces per gallon of water

2. Spray rinse with de-ionized water to remove gross detergent

3. Immersion rinse in flowing warm de-ionized water  (30 seconds)

4. Spray rinse with de-ionized water (final rinse)

5. Blow dry with very clean compressed air or dry nitrogen

(minimum process use only steps 1 and 2)

clean tap water can be substituted if you have good quality water