1 St = 100 cSt or 1 cSt = 10⁻⁶ m²/s. Also, you don't have to wait until -40 C to see that the viscosity of a 5W30 is much less than a 15W40 even at say 0 degrees C. Keep in mind the units are in cSt, the same units as your viscosity at 100 C where the viscosity runs from 8 to 16 cST depending on which oil you use. However, the commonly used measure is the stokes (or stoke) where 1 St = 10⁻⁴ m²/s. Call 08048762045 87% Response Rate. Generally the viscosity of lubricants means the kinematic viscosity expressed in cSt and the viscosity expressed in units other than cSt is as follows: ① cSt (Kinematic Viscosity) Strokes refer to the kinematic viscosity expressed in C. G. S and one hundredth of it is expressed in centistroke (cSt). Manufacturer of Industrial Oil - Transformer Oil, Defoamer Oil, Chain Oil offered by D R P Silicone, Mumbai, Maharashtra. Alpha-1 Fluid's low viscosity will minimize the temperature rise associated with the retrofill. Vapour density . DMSO extractable compounds for base oil substance(s) according to IP346 Water at 20 °C has a kinematic viscosity of about 1 cSt. Explosive under the influence of a flame Not considered to be explosive. 2.3. Transformer oil or insulating oil is an oil that is stable at high temperatures and has excellent electrical insulating properties. 9.2. Table One Typical Properties of Dielectric Fluids Conventional Property Transformer Oil Beta Fluid Viscosity, cSt. The fluid of claim 3 wherein the antioxidant produces an electrically-insulating fluid having a kinematic viscosity in the range of 20-40 cSt as desired at 40° C. and the antioxidant is a free radical scavenger. Sae-5 oil 100cSt. Irving Transformer Oil . Viscosity Comparison Chart Viscosity Comparison Chart for Silicones Below is a reference for the viscosities of silicones to common fluids. The numbers are commonly assigned in ranges of 5, 10, 20, 30, 40, and 50. Silicone oil. We offer the transformer oil in barrels, flexi bags & … The viscosity is the Kinematic viscosity is measured in centistokes cSt (or mm2/s). Dahisar East, Mumbai, Maharashtra. The fluid should be tested in six months to determine if additional work is needed. 27CHDPP3712N1Z1. Check ASTM D 2161 "Standard Practice for Conversion of Kinematic Viscosity to Saybolt Universal Viscosity or to Saybolt Furol Viscosity" 2) Water at 68.4 o F (20.2 o C) has an absolute viscosity of one - 1 - centiPoise. kerosene 20cSt. You'll see the ranges for cSt compared to SAE numbers. This is why the cSt centistokes numbers more accurately show oil viscosity. Hydrotreated paraffinic base oils with viscosities from 2 cSt to 12 cSt and hydroisomerized hydrogenated paraffinic hydrocarbon ranging in viscosity from 2 cSt to 8 cSt at 100 C. Advantages. Irving Transformer Oil. Using the Kinematic Viscosity … Viscosity 9.2 cSt @ 40°C Explosive properties Not considered to be explosive. The tests results allow to make a comparison between the different mixtures proposed and to select the best. For oils with the same specific gravity, we would opt for the lower viscosity. Product Brochure. Measuring the Viscosity of Transformer and Insulation Oil. Approx. The ISO viscosity classification uses mm2/s (cSt) units and relates to viscosity at 40oC. the oil, while viscosity, flash point, specific resistance, transformer insulation, interfacial tension decrease with age. Get Best Quote. 2.1.2.2. filled with a fire resistant oil. The oil used in the transformer is a key element to check the physical condition of the unit. Enjoy. The numbers indicate to the nearest whole number, the mid points of their corresponding brackets. Adsorbent based multi cycle regeneration Machine; Adsorbent can be used for more than 200 times by In-Situ reactivation ; BEST transformer oil reclamation without Clay. The viscosity is the Dynamic viscosity and it is measured in centipoise cP. Reference Object 1 to 5cSt. 6. Typically, a transformer designed for conventional oil will run 2 - 5 oC. D R P Silicone. 1) The Saybolt Universal SUS viscosity equivalent (SSU or SUS) to a given kinematic viscosity varies with the temperature at which the determination is made. Sae-10 motor oil 350cSt. TrustSEAL Verified. These fluids are used as Release agent & Lubricant in variety of applications. Explosive properties . Oils with a high VI In India, transformer oil is tested on the basis of IS 335. A representative sample of the oil shall be examined in 100 mm thick layer at 27°C The oil shall be clear and transparent & free from suspended matter or sediment Transparent, clear and light: Density @ 29.5°C: IS : 1448 (P-16)-0.89: 0.840 g/cm 3: Kinematic Viscosity @ 27°C, cSt: IS : 1448 (P-25)-27: 12.4 cSt Not applicable . Kinematic (40°C): 0,096cm²/s (9,6 cSt) Evaporation rate . These properties are physical, electrical, and chemical properties. The viscosity is typically reported in centistokes (cSt), equivalent to mm2/s in SI units, and is calculated from the time it takes oil to flow from the starting point to the stopping point using a calibration constant supplied for each tube. It is shown that the degradation rate of oils represented by kinematic viscosity is changed according to ester rate under thermal stress. Download PDF Copy; Request Quote; Written by AZoM Sep 20 2016. The fluid of claim 1 wherein the oleic acid content of the oil is about 30% or greater. The respective increase or decrease are detrimental to the transformer GST No. Name Method Units Insulating Oil Product Code 33165 Viscosity @ -15°C ISO 3104 cSt 400 Viscosity @ 40°C ISO 3104 cSt 9 Closed Flash Point ISO 2719 °C 140 Pour Point ISO 3016 °C -57 Density @ 20°C ISO 3675 g/ml 0.879 Neutralisation value IEC 62021-1 mgKOH/g … It consists of a series of 18 viscosity brackets between 1.98 mm2/s and 1650 mm2/s, each of which is defined by a number. SEND EMAIL. None . Why one should use Transformer Oil IEC 60296 21011 Specifications. warmer after being retrofilled with Alpha-1 Fluid. Physical properties • Viscosity. Last modified: 2012/06/03 by dmitri_kopeliovich Except where otherwise noted, this work is licensed under a Creative Commons Attribution-Noncommercial-Share … Irving Transformer Oil These oils have desirable aquatic toxicity and carcinogenicity characteristics. Low viscosity of the transformer oil is an advantage for heat dissipation. Transformer oil that leaches from the paper and wood in the unit will mix with the Beta Fluid, possibly lowering the fire point. In the last five decades in India, there is a drastic change in production technology. : 3.0 12.0 Pour Point, oC. Residual Transformer Oil: A successful retrofill job depends on removing as much of the original fill fluid as possible. New oils Sae-20 motor oil 500cSt. Oxidising properties . Transformer Oil Polishing Unit-TPU. Oil has three different basic properties that identify the suitability of the oil for the purpose of insulation and cooling. In the SI the unit is m²/s. The stability study of thermal aging is an essential tool to estimate the lifetime of insulating oil and therefore for the transformer. A gear lubricant and an engine oil having the same viscosity will have widely different SAE grade designation as defined in the two classifications. Absolute, Dynamic and Kinematic Viscosity - Dynamic, absolute and kinematic viscosities - convert between CentiStokes (cSt), centipoises (cP), Saybolt Universal Seconds (SSU) and degree Engler Crude oil viscosity as function of gravity - Viscosity at 20°C/68°F and 50°C/122°F for more than 120 crudes is shown as function of specific gravity@15°C/60°F AD03 looks like sand after complete life as it would be volatile hydrocarbon free. water 10cSt. Viscosity of insulating liquid affects the ability to transfer heat by conduction. To confirm these properties, the tests performed on the transformer oil can also be divided into three different categories. Description. The table at the right, SAE Viscosity Chart (High Temp), shows the equivalents for cSt and SAE viscosity numbers. Not applicable . Oil with a viscosity that does not change much between 40°C and100°C will have a higher VI than an oil with a greater change in viscosity. Price: Rs 150 / Kilogram Get Latest Price. In engineering, centistokes (cSt) are usually used. An oil that is 9.2 cSt will be nearly the same viscosity as an oil that is 9.3 cSt, yet one is an SAE 20 and the other is an SAE 30. The mineral-based oil like transformer oil is frequently used in different types of transformers for its dielectric strength as well as electrical properties. High Temp ), shows the equivalents for cSt and SAE viscosity numbers 21011 Specifications is... 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