- Techspray's SMT Oven Cleaner cleans reflow ovens and wave soldering systems, removing all types of flux residues. This innovative cleaner is designed to work with the heat of the oven, resulting in decreased down time for production lines. Techspray's New Static Sensitive Brushes have a surface resistivity of 106 - 108 ohms. Each brush is made with a revolutionary static dissipative material to ...www.techspray.com