Your Polymer Engineering Partner for Smarter, More Efficient Solutions : O-Ring Product Name : Door PackingFunction : Seal of Ink Container in PrinterKey product competency : -O-ring parting line 30 degree above the OD, providing zero leakage of printer ink.High precision tooling and molding control “S.K. Polymer is a specialist in polymer research, development, and manufacturing, with over 40 years of engineering experience. ״ S.K. Polymer Co.,Ltd. Previous articleEngineering Design & Testing : Platform Gap FillerNext article Your Polymer Engineering Partner : Motor Rubber Gromet