# SH129 Lubricating Grease Roll‑Stability Tester **Compliant with ASTM D1831 & SH/T 0122** ## Product Description The SH129 Lubricating Grease Roll‑Stability Tester is built in accordance with ASTM D1831 and SH/T 0122 standards. A prescribed amount of grease sample is loaded into the test drum and subjected to a 2‑hour test run at ambient temperature. The worked cone penetration of the lubricating grease is measured before and after the test procedure. This instrument
