3M 7000044797 Silicon Carbide Lapping Disc 5 Inch

Product Description

The 3M 7000044797 is a silicon carbide lapping disc engineered for precision polishing and finishing applications in the fiber optic and metallurgical industries. The disc features silicon carbide mineral bonded to a 3 mil polyester film backing, delivering a stable, consistent cutting surface. At 5 inches in diameter, it is sized for standard lapping fixtures and polishing machines. The tight particle distribution across the abrasive layer ensures repeatable cut rates, predictable surface finish, and extended disc life — all critical performance factors in high-tolerance polishing environments.

This disc is suited for fiber optic connector end-face polishing and metallurgical sample preparation where surface finish uniformity is essential. It is available in multiple micron grades — 5.0, 9.0, 15.0, and 30.0 micron — allowing users to select the appropriate grit for rough stock removal through final finish polishing. The polyester film backing resists tearing and maintains dimensional stability under wet or dry polishing conditions. Technicians working in fiber optic splicing labs, cable assembly operations, and materials testing facilities are the primary users of this product.

Key Features

• Silicon carbide mineral on 3 mil polyester film backing for dimensional stability
• Tight particle distribution for consistent cut rate and predictable surface finish
• Available in 5.0, 9.0, 15.0, and 30.0 micron grades
• 5 inch diameter fits standard lapping fixtures and polishing machines
• Available in disc, sheet, and roll formats
• Suited for both fiber optic end-face polishing and metallurgical sample prep

Compatibility

Designed for use in fiber optic polishing and metallurgical lapping applications requiring silicon carbide abrasive media on standard 5 inch lapping fixtures and polishing equipment.

Installation Notes

Mounting and use of lapping discs should follow the equipment manufacturer guidelines for the specific polishing fixture or machine in use. Ensure the fixture platen is clean and free of debris before applying the disc to prevent uneven seating. When polishing fiber optic connectors, follow industry cleanliness standards to avoid contamination of end-face surfaces. Spent discs should be discarded rather than reused past their effective life to maintain finish consistency.

Technical Specifications

• Abrasive Mineral: Silicon Carbide
• Backing Material: 3 mil Polyester Film
• Disc Diameter: 5 inches
• Available Micron Grades: 5.0, 9.0, 15.0, 30.0 micron
• Package Weight: 4.5 pounds
• Package Length: 13.9 inches
• Package Width: 10.98 inches
• Package Height: 4.8 inches
• Unit of Measure: Each
• Minimum Order Quantity: 500
• UPC: 051141417974

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7000044797