SH0325B Grease Oxidation Stability Tester: Full Auto Test & ASTM D942 Compliance SH0325B automated lubricating grease oxidation stability tester complies with SH/T0325 standard for evaluating oxidation‑resistant performance of grease, and meets ASTM D942 specifications. It is designed to assess the oxidation resistance of lubricating grease under static storage within a sealed oxygen‑filled chamber. This unit performs pressure monitoring, data logging, oxidation period