3M 7010299763 Fiber Optic Polishing Disc 4.125 in

Product Description

The 3M 7010299763 is a precision-coated lapping disc designed for the final polishing step in fiber optic connector finishing. A silica abrasive coating is applied to a polyester film substrate, producing a controlled, uniform cutting action that minimizes surface defects. At 4.125 inches in diameter, this disc is sized for standard fiber optic polishing fixtures. It is used by fiber optic technicians and telecommunications installers who require repeatable, low-loss connector end-face geometry on both single-mode and multimode connectors.

This disc is intended for the final polishing stage of fiber optic connector preparation, where surface quality directly affects insertion loss and back reflection performance. It is suited for use in production environments and field installation settings where consistent protrusion values and low defect rates are required across high volumes of connectors. The disc is rated for multiple uses, supporting higher throughput and lower per-connector cost in production workflows.

Key Features

• Silica abrasive on polyester film substrate for controlled final-stage polishing
• Multiple-use construction supports high-yield, high-throughput polishing operations
• Consistent protrusion values reduce rework and improve first-pass yield
• Low insertion loss and low back reflection results on finished connectors
• Low defect rate on polished end faces
• Available in disc, sheet, and roll formats to suit different polishing equipment

Compatibility

Designed for use as a final-step polishing disc in fiber optic connector polishing systems that accept 4.125-inch diameter lapping film discs.

Installation Notes

This disc is installed and used by fiber optic technicians following established connector polishing procedures. Ensure the polishing fixture and puck are clean and free of debris before mounting the disc. Follow the connector manufacturer's polishing sequence; this disc is intended for the final step only and should not be substituted for earlier coarser lapping stages. Inspect the disc surface between uses and discard when abrasive loading or surface damage is observed.

Technical Specifications

• Diameter: 4.125 inches
• Substrate: Polyester film
• Abrasive: Precision-coated silica
• Weight: 0.01 pounds
• Unit of Measure: Each
• UPC: 00051111900192

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7010299763