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Solar Wafer Cutting Fluid (PEG) Market Share, Insights by 2031 Solar Wafer Cutting Fluid (PEG): Introduction Polyethylene glycol (PEG) is a biocompatible, synthetic, hydrophilic polyether compound that is utilized in several industrial applications, largely in the medical industry PEG is non-toxic, colorless, inert, odorless and non-volatile. Moreover, it is a kind of gel that is soluble in water and organic solvents such as benzene, carbon tetrachloride, and chloroform. The solar silicon wafer cutting mortar is made by using modified wet silicon carbide sand aggregate and polyethylene glycol (PEG) as a carrier. Wet silicon carbide sand aggregate is composed of an auxiliary agent, which is also utilized in the solar wafer cutting.