| 摘要 |
A jacket for a floppy disk comprising 1) an exterior layer of an antistatic material which is selected from a styrene base resin (I) layer externally coated with an antistatic agent, and (I) in admixture with at least one of antistatic agents, conductive carbons and conductive metals ; (I) being selected from high impact strength styrene resins, mixts. of a styrene resin for general use with at least 20wt.% high impact strength styrene resin ; and 2) an interior nonwoven cloth layer, pref. selected from polyester, rayon, aromatic polyamide and rock wool and laminated internally of layer (I).
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