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Abrasives for Electronics Finishing

Glass Ferrule (2.5mm) - Diamond Sequence

Glass Ferrule 2.5mm

Connector Type: Glass Ferrule (2.5mm)
Polishing Machine: All (Diamond Polishing Sequence)

3M Technical Service Engineers recommend using the following sequences for polishing Glass Ferrule connectors using all polishing machines. These sequences provide typical starting points. Your actual process may vary depending on your polishing equipment and requirements.

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PDF 3M Fiber Optic Polishing
(PDF 883 KB)

Recommended Sequence

3M™ Lapping Film
Step Micron Grade Color Mineral Product I.D.*
Denub 9 Gray Silicon Carbide 461X
Step 1
Remove Epoxy
3 Pink Diamond 661X
Step 2 1.5 White Cerium Oxide 562X

* All abrasive discs are available with PSA (self-adhesive) backing.

Problem Possible Solution
Edge chipping 1. Decrease speed.
2. Use a finer grade of abrasive.

Polishing Tips:

  • Use deionized water as a lubricant.
  • Adjust machine pressure to accommodate for the number of connectors in your fixture.
  • If you have questions, call the 3M Fiber Optics Development Laboratory at 1-866-866-0922.

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