http://www.labtool.net/en/products_detail.php?cid=292&id=391 according to GB/T269-91 "Grease and petroleum grease cone penetration determination" test standard requirements in the specified test conditions, after the change of mechanical shear work to judge the mechanical stability of grease, to extend the work cone penetration or shear stability, the unit is 0.1mm. fluorescence sulfur analyzer