· 1. Jaw crushers are mainly used as primary crushers, it can crush hard material, such as granite, basalt. 2. Impact crusher is usually used as a mediumfine hardness crusher, such as limestone, concrete, it has good crushing efficiency of some brittle material. It mainly crushes the small material discharge from the jaw crusher.
Jaw crushers are widely used in the primary crushing stage and, sometimes, even in the secondary for many appliions, including the processing of metallic, nonmetallic, energetic, and industrial minerals, as well as in the processing of construction and demolition waste.