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washing material by a manufacturing process of the precise electronic devices, semiconductor and hard disk and so on.PVA sponge with flexible projections of the same softness on the surface as the base type of the roll shape and sheet shape. Widely used as a cleaning material for precision electronic components. The lineup includes an SCL grade of high cleaning power for meeting the growing needs of the electronics industry.(For a long time, They are used as a cleaning material for precision electronic components. The lineup includes an SCL grade of high cleaning power for meeting the growing needs of the electronics industry.)Washing:silicon wafers, semiconductor devices, photomasks,Hard disks, pva brush pva brush, pva, brush