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MOLD RELEASE AGENT FOR DIE CASTING, METHOD FOR IMPARTING MOLD RELEASABILITY TO MOLD FOR DIE CASTING AND METHOD FOR CASTING DIE-CAST PRODUCT
MOLD RELEASE AGENT FOR DIE CASTING, METHOD FOR IMPARTING MOLD RELEASABILITY TO MOLD FOR DIE CASTING AND METHOD FOR CASTING DIE-CAST PRODUCT
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机译:压铸用脱模剂,提高压铸模具对模具的可再发性的方法以及压铸产品的铸造方法
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摘要
PROBLEM TO BE SOLVED: To provide a mold release agent for die casting which can suppress the generation of the roughening of a cast skin in a die-cast product, and to provide a mold releasing method and a casting method.;SOLUTION: Disclosed is a method for imparting mold releasability to a mold for die casting characterized in that the molding face of a mold 2 for die casting is coated with a mold release agent 8 for die casting composed of a colloidal aqueous solution obtained by dispersing the nanoparticles of silicon dioxide into water without adding a dispersant, and next, the water is evaporated. Also disclosed is a method for producing a die-cast product characterized in that a molten metal is injected into the mold for die casting with the molding face coated with a colloidal aqueous solution obtained by dispersing the nanoparticles of silicon dioxide into water without the addition of a dispersant, and from which the water is evaporated.;COPYRIGHT: (C)2010,JPO&INPIT
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