SD7305 Manual Petroleum Demulsification Tester The SD7305 manual oil demulsibility tester is manufactured in accordance with China national standard GB/T7305 Determination of demulsification performance of petroleum and synthetic liquids, as well as ASTM D1401. This instrument is applicable to testing oil samples with a kinematic viscosity of 28.8~90 mm²/s at 40°C, under a test temperature of 54±1°C. It can also test oils whose kinematic viscosity exceeds 90 mm²/s at 40°C,
