Tape cassette having tape guides made of polyethylene

摘要

Tape cassette tape guides are molded from a complex material of super macromolecular weight polyethylene-based resin having a molecular weight of from 500,000 to 1,000,000 mixed with polyphenyl sulfide resin or polybutylene terephthalate resin and carbon black of 1 to 15 percent by weight in order to reduce manufacturing costs.