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ASTM D445 Kinematic Viscometer Ubbelohde Viscometer Dynamic Viscosity Meter This precision instrument complies with standards including GB265-88 Method for Determining Kinematic Viscosity of Petroleum ......
...General Rule 0633 of the Chinese Pharmacopoeia in 2025, as well as the USPviscosity Ubbelohde capillary method design and manufacturing. This method uses the relative method to measure the time required for ...