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OPAQUE WHITE FILM WITH EXCELLENT GLOSSINESS, WHITENESS AND OPAQUENESS
OPAQUE WHITE FILM WITH EXCELLENT GLOSSINESS, WHITENESS AND OPAQUENESS
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机译:具有出色光泽度,透明度和不透明性的不透明白色胶片
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摘要
PURPOSE: A white film is provided to ensure excellent masking property and whiteness and good operation property, to minimize the generation of air gap, to prevent the breakage generation of a film.;CONSTITUTION: A white film comprises a polyester resin and barium sulfate. The barium sulfate has an average particle diameter of 1.0~1.5 micron by original state diameter or no particles with average particle diameter of 0001-0.3 micron, no particles with average particle diameter of 5 volume% or less or 3.0~10.0 micron, and a particle size distribution of 5 volume % or less. A ratio of long diameter/ short diameter is 0.7~1.0 and refractive index is 1.6~1.7.;COPYRIGHT KIPO 2010
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