Ashton Canal lock 11 at Clayton in Manchester. Below the lock is where the Stockport branch of the canal headed off to the left. In the background is the Evonik chemical plant

Evonik is a German owned speciality chemicals manufacturer. The company says that Evonik products make tires fuel-efficient, mattresses more elastic, medications more effective, and animal feeds healthier. Its website lists a large range of products including petrochemical antifoulant, gasoline octane enhancer and corrosion inhibitors.