... -6 and the shape of final product is even. Jaw crushers are widely applied to crush high hardness, mid hardness ... is under 200Mpa, that is, suitable for primary crush. Jaw crushers can be used in mining, metallurgical industry, construction, road ... railway building, water conservancy, chemistry, etc.II.Jaw Crusher Working PrinciplePrimary jaw crusher is typically of the square opening design, ...