The product range of Masa comprises the special face mix mixer type "S 350/500". The rotating and inclined by 20° mixing trough in combination with a stationary twister distinguishes the mixer. The result: A flawless, homogeneous and agglomerate free mixing structure! The Masa concrete mixer type "S 350/500" is mad specifically for the production of face mix concrete and is equipped with the following features: • rotating trough and stationary twister as mixing tool • frequency driven mixing trough • mixer with aggregate hoist • equipment incl. scraper for cleaning the sidewall of the mixing trough • trough discharge with pneumatic controlled discharge opening • humidity probe with radar technology in the side scraper • exact water dosing by "Aquados" dosing