Molykote™ L-2132 Synthetic Gear Oil - ISO VG 320
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Convert the measured viscosity to the ISO viscosity to determine the correct grade. Identify whether the oil is intended for use in crank cases or to lubricate gears. Not least among the benefits shown in work with OEMs is the ability to resist micropitting wear which can occur with some highly loaded, case-hardened gearing applications. SAE grade equivalents to ISO grades are approximate, since they are based on viscosity measurements at different temperatures.
Eurol Synmax PAO ISO-VG 320 is a so-called Mild EP oil with excellent anti-oxidation, anti-wear and anti-corrosion properties, as well as EP Extreme Pressure characteristics. Directly measure the viscosity to determine the correct ISO grade in either of these cases.
Eurol Synmax PAO ISO-VG 320 - Grades 32 through 68 are used primarily in hydraulic turbine and circulating oil systems. The high viscosity index of these oils deliver less change in viscosity with changes in temperature, enabling wider operating temperature range and improved low temperature startup.
The viscous shear stress τ is proportional to the shear rate, the dynamic viscosity η being the proportionality factor. So, thicker oils have a higher viscosity value causing relatively higher shear stresses at the same shear rate. Dynamic viscosities are usually measured under high shear conditions, for example, the or in which the viscous shear torque is measured between two cylinders. With the viscosity known at two reference temperatures the viscosity can be calculated for intermediate temperatures with specific interpolation functions those from. The physical principle of measurement is based on the rate at which a fluid flows under gravity through a capillary tube. With the viscosity known at two reference temperatures the viscosity can be calculated for intermediate temperatures using the. ISO 3448 Viscosity classification The ISO viscosity classification is recommended for industrial applications. The reference temperature of 40 °C represents the operating temperature in machinery. Each subsequent Viscosity grade VG within the classification has approximately a 50% higher viscosity, whereas the minimum en maximum values of each grade ranges ±10% from the mid point. For example, ISO VG 22 refers to a viscosity grade of 22 cSt ± 10% at 40°C. The first number 15W refers to the viscosity grade at low temperatures W from winter , whereas the second number 40 refers to the viscosity grade at high temperature. Automotive Lubricant Viscosity Grades1 Engine Oils — SAE J 300, Dec. Note that the presence of any yield stress detectable by this method constitutes a failure regardless of viscosity. This fact should be taken into consideration in any producer-consumer relationship. Comparative Viscosity Classifications ISO 3348 Industrial oils AGMA 9005-D94 Gear oils SAE J300 Engine oils SAE J306 Gear oils 1500 250 1000 8A 680 8 140 460 7 320 6 60 90 220 5 50 150 4 40 85 W 100 3 30 80W 68 2 20 75W 46 1 32 0 15W 22 10W 15 5W, 10W 10 7 3 2 ISO and AGMA are specified at 40°C. SAE 90 to 250 and 20 to 50 are specified at 100 deg C. Viscosities can be related horizontally assuming 96 VI single grade oils.
Identify whether the oil is intended for use in crank cases or to lubricate gears. These synthetic products, pioneered by our research scientists, symbolize the continuing commitment to using advanced technology to provide lubricants with excellent balanced performance. Glazelube EP-Series are engineered to provide outstanding extreme pressure lubrication even under severe heat and load conditions in enclosed gear sets, ways, bearings, sliding surfaces and related heavy-duty applications. Success stories, PDF Features and Benefits Mobil SHC Gear Series lubricants are part of the Mobil SHC line of products that are recognized and appreciated around the world for innovation and outstanding performance. Eurol Synmax PAO ISO-VG 320 has an excellent oxidation and thermal iso vg 320 so that allows prolonged drain intervals and therefore reduces maintenance costs. Fortunately, Centipoise and Centistokes have a one-to-one ratio. About the Author My expertise includes product data management software.
