| 摘要 |
The present invention relates to a method for manufacturing a seal ring using polyphenylene sulfide. The method for manufacturing a seal ring comprises the steps of: blending polyphenylene sulfide, glass fibers and polytetrafluoroethylene to form a resin; drying the blended resin; carrying out injection molding of the dried resin with an injection mold to shape the resin into a ring shape; cooling the molded ring; and removing the cooled ring from the injection molding and carrying out heat treatment. |
