Bio-Degradable Hydraulic Oil is recommended for use in place of conventional zinc-containing hydraulic oils in applications where there is the possibility of soil or water contamination. Biodegradable Hydraulic Oils are high-quality, zinc-free, antiwear lubricants specifically developed for use in industrial and mobile equipment operating in environmentally sensitive areas.
ISO VG 68 oil has a midpoint kinematic viscosity of 68 mm2/s, also referred to as centistokes (cSt). The midpoint is derived by taking the average of both the minimum and maximum kinematic viscosities. In the case of ISO VG 68 oil, those numbers are 61.2 cSt and 74.8 cSt, respectively. These numbers refer to the standard testing mechanisms used to determine how much resistance to flow (i.e. viscosity) these oils demonstrate.
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