... The motor flange should install retaining plate to prevent leakage. Usage of Colloid Mill1. Food Industry: dairy products, chocolate, ... , spices, dyes, emulsified asphalt, emulsified rubber, catalyst, paint coating etc.3. Pharmaceutical Industry: cod liver oil, athlete cream, ... working pressure, temperature, specific requirements, etc. Anticorrosion waterproof coating Vertical colloid mill of JML-120