SH269 Grease Shear Tester｜GB/T269‑2023 Auto‑Count 60Times/Min Grease Mechanical Stability Test SH269 100000 times shear testing machine is used to determine the mechanical stability of lubricating grease according to the requirements of GB/T269-91 "Determination of Cone Penetration of Lubricating and Stone Greases" test standard under specified test conditions. The viscosity change after mechanical shear work is used to determine the mechanical stability of the lubricating
