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English version / PRODUCTION / On stiffener types / Complex calcium greases / Unirol-2M Unirol-2M
The specification statement : In knots of a friction of the mountain-concentrating and metallurgical equipment with systems of the centralised delivering of lubricant, and also for smearing of the dodges working at high unit loads. It is efficient in the range of temperatures from-15 °С to +150 °С, it is transient - to +200 °С.
The basic physical and chemical properties :
Penetration at 25°С : 330-380
Drop temperature, °С, not less than : 215
Viscosity at temperature (°С) and velocity gradient of deformation of 10с-1,Pa*s, no more than : 300 (0 °С) 2000 (-30 °С)
Ultimate strength on shear at temperature (°С), Pa, no more than : 150-600(+50°С)150-700(+80°С)
Colloidal stability, % of the precipitated out oil, no more than : 17,0
Mass fraction of water, %, no more than : 0,1
Mass fraction of free organic acids, mg КOH on 1 g of greases no more than : 0,2
Mass fraction of mechanical impurities, no more than : 0,1
Vaporability at temperature (°С), %, no more than : n/o
Doping properties on the four-ball test at (20±5) °С, not less than : Welding together offloading, Н : 2195
Ultimate load, Н : 1098
EP index (Scratch subscipt) : 40
Packaging : Flanks a volume of 200 litres, net weight of 175 kg.; Flanks with the removable bottom a volume 200 litres, net weight of 175 kg.
Storage guaranty period : 3 years
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