Aug 22, 2019 Aug 22, 2019 Moreover, the feed port size of PE-600 900 jaw crusher is 600 mm 900 mm, and the maximum feed size is 500 mm which can fully satisfy the silica inlet because the common silica raw material size is 200-400 mm. Owing to the large market demands of silica, silica sand and silicon powder, the production line requirements are relatively large which cause a small jaw crusher