Asahi Chemical Polyflex Ltd.

Mitsuji Ebara

Eiji Hattori

An antistatic sheet material comprises a substrate layer, an electroconductive layer, and a surface layer. The electroconductive layer is disposed on the substrate layer and contains carbon black in such a manner that the carbon black partly protrudes into the surface layer. The surface layer is a thin transparent plastic layer. The sheet material possesses decreased surface resistance and exhibits excellent antistatic properties. The sheet material permits an object held thereunder to be clearly seen therethrough and enjoys high resistance to surface friction and never deteriorates any object which is in contact therewith. Thus, the sheet material of this invention is used advantageously as containers for objects which by their nature are vulnerable to electrostatic damage.

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Ageo, Japan

Mitsuji Ebara