NOVELTY - Manufacturing linear cutting wet silicon carbide sand material of solar silicon wafer, comprises: (a) adding nano film forming agent and silicon carbide microparticle to polyethylene glycol, stirring to obtain wet silicon carbide sand material mixture; (b) dripping dispersing agent, stirring, adding silicon carbide microparticle, stirring; (c) adding surfactant and de-foaming agent; (d) dripping metallic corrosion inhibitor, stirring to obtain wet silicon carbide sand material, stirring and detecting sand material density and adhesive; and (e) packaging the wet silicon carbide sand material.    USE - The method is useful for manufacturing linear cutting wet silicon carbide sand material of solar silicon wafer.    ADVANTAGE - The method shortens the mortar preparation time from 12 hours to 3 hours, and produces the sand automatically without powder dust problem, with good re-dispersion capacity, high suspension property and homogeneity.    DETAILED DESCRIPTION - Manufacturing linear cutting wet silicon carbide sand material of solar silicon wafer, comprises: (a) adding nano film forming agent (0.3-5 parts) and silicon carbide microparticle (48-72 parts) to polyethylene glycol (5-45 parts) alternatively according to the procedure, stirring the mixture for 180-200 minutes to obtain wet silicon carbide sand material mixture; (b) dripping dispersing agent (0.1-3.5 parts) into the wet silicon carbide sand material mixture of step (a), stirring the mixture for 80 minutes, and adding silicon carbide microparticle (12-18 parts) to the mixture, and stirring the mixture for 60 minutes; (c) adding surfactant (0.05-2 parts) and de-foaming agent (0.03-3 parts) into the mixture within 30-60 minutes; (d) dripping metallic corrosion inhibitor (0.02-1.5 parts) into the mixture, stirring the mixture for 2 hours to obtain wet silicon carbide sand material, and stirring the formed sand material for 1 hour, and detecting the sand material density and adhesive; and (e) after the sand material is qualified, packaging the wet silicon carbide sand material in a specific package bag.