Direct supply transformer oil 25, 45 transformer oil factory sales welcome inquiries

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Direct supply transformer oil 25, 45 transformer oil factory sales welcome inquiries

transformer oilPhysical properties include appearance color, transparency, density, viscosity, flash point, pour point, interfacial tension, moisture, mechanical impurities, etc. 1. The appearance color, transparency, and density are mainly judged by the naked eye to determine the depth of the oil color and the transparency of the oil quality. Transformer oil is generally pale yellow or colorless. The lighter the color, the better its refinement level. The darker the color of the oil, the more non alkyl compounds it contains. The mass of oil per unit volume is called oil density. The density of oil is related to temperature, and it will change at different temperatures; When oil is heated, its volume expands and its density decreases, so the density measured at high temperatures is smaller than that measured at low temperatures. For the purpose of comparison, the density of general oil products is often expressed as the density at a specified temperature. In China, the standard density is defined as the density of petroleum and petroleum products at a standard temperature of 20 ℃.

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