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BIHOL (HETG)

BIHOL is readily biodegradable rapeseed oil based hydraulic lubricants offering an excellent level of lubrication and an improved operating temperature range. Developed to replace the usual mineral oil based hydraulic lubricants to reduce an environmental footprint.

Areas of Application

Designed for the lubrication of hydrostatic and hydrodynamic machine mechanisms, particularly suitable for lubricating of hydraulic quick valves in power plants. Produced at a range of viscosity classes ISO VG 32/46/68.

Parameters

ISO-VG viscosity classification	ISO VG 46
Kin. viscosity at 40 °C	The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress. 42-48 cSt
Kin. viscosity at 100 °C	7-8,5 cSt
Viscosity index	The viscosity index (VI) indicates the change in kinematic viscosity of oils with temperature. A higher VI means less change in viscosity with temperature. BIONA bio-oils with a VI of up to 220. Min. 180
Density at 15 °C	918,2 kg/m3
Flash point	The lowest temperature at which enough vapor escapes from a heated sample above its surface into the air that the resulting mixture of vapor and air ignites when an auxiliary flame is brought close to it and then extinguishes again. 220 °C
Pour Point	The pour point of a liquid is the temperature below which the liquid loses its flow characteristics. -10 °C
Biodegradability in 28 days	Biologically sufficiently rapid decomposition of oil without effect on fauna and flora. Biological decomposition monitored by dissolved oxygen analysis over 28 days. >60