320973 https://www.ultrasonics.co.nz en-nz Ultrasonics NZ 30 RUST REMOVAL This collet has been cleaned with a rust removal chemical .Simple just add your rust remover into a glass beaker and submerge the beaker into the ultrasonic cleaner . https://www.ultrasonics.co.nz/blog/ultrasonic-cleaner-rust-removal Ths Collet has been cleaned with a rust removal chemical put into a container then submerged in the ultrasonic cleaner tank. 015, 9 Apr 2013 00:00:00 +1200 https://www.ultrasonics.co.nz/blog/ultrasonic-cleaner-rust-removal Yuck this is an emission control valve from a van .To keep the vehicle running correctly these need periodic maintenance https://www.ultrasonics.co.nz/blog/ultrasonic-cleaning-car-parts This is a very good example of how well ultrasonic cleaning works .This is the same valve assembly before and after cleaning .No hard scrubbing or scraping involved 014, 5 Apr 2013 00:00:00 +1300 https://www.ultrasonics.co.nz/blog/ultrasonic-cleaning-car-parts