COLORING FLUID-CONTAINING MARKING DEVICE MADE OF BIODEGRADABLE PLASTIC RESIN

摘要

A coloring fluid-containing marking device which sufficiently withstand practical use and, after use, its molded members can be biologically degraded in soil. The marking device comprises a coloring fluid container molded from an aliphatic polyester resin, and a coloring fluid containing a solvent mainly comprising an aliphatic hydrocarbon and/or an alicyclic hydrocarbon.