Aug 27, 2021 Laboratory Jaw Crusher Labcompare.com. Laboratory Jaw Crusher Laboratory Applications Laboratory Jaw Crusher is mainly used for a variety of rocks or ores with medium hardness, which is the most important laboratory equipments in metallurgy, geology, building material, chemical industry.Jaw crusher is a kind of stone crusher machine which is widely used as primary or secondary crusher in stone crushing plant. The purpose is to reduce hard stone material to a small size that it can be transported by conveyors to the next crushing stages. ≤1200mm Feed Size. 5.5-280KW Motor Power.