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ISO VG 68 | Compressor Oil | Syn Diester Base
Diester is also known as Dibasic Acid Ester which has excellent resistance to debris and build-up formation. Synthetic, Diester-based Compressor Oils are specifically intended for heavy-duty reciprocating compressors. As such, these oils are not recommended for use in breathing air applications. Diester-based lubricants have an exceptional ability to decrease friction in machine components while also being able to maintain a stable weight in the presence of heat and pressure.
ISO VG 68 oils have 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 (also AGMA 2 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.