Plastic Ferrule does not require end face polishing.

Fujitsu Takamisawa America, Inc.    Sunnyvale, CA 94089
Jan 31, 2003 Weather-resistant product joins optical fibers to SC-type optical connectors. Walls, produced via injection molding process based on die and molding technology and proprietary plastic, are thick enough to ensure mechanical strength. Product is offered with standard OD of 2.499 ± 0.001 mm, roundness of 0.001 mm or less, coaxiality of 0.0014 mm or less, and 0.125 ± 0.0005 mm hole diameter. Optical characteristics are equivalent to Zirconia ferrule.