Vegetable and fruit washing plastic roller brush is installed on food processing machine. The applications can be polishing/waxing/cleaning/washing/peeling... Our roller brushes are suitable for fruit and vegetable such as apple/carrot/strawberry/pepper/egg and so on. All materials we use are food grade including the filament and core. The fimalent we alyway use is nylon, which is high elastic and durable. Meanwhile nylon do less damage to fruit and vegetable than other material. If we have to use steel for these brush, stainless steel is necessary as brush work condition for fruit and vegetable washing is high acid.