ÅngströmLap^® Aluminum Oxide Lapping Film Disc - 4 inch 30µm (micron), Hole

ÅngströmLap Aluminum Oxide Lapping Film is recommended when diamond lapping film is not needed, like in many fiber optic multimode applications. Some aluminum oxides can even be used as the final polish. The 0.5μm and 0.3μm will produce return losses of -50 dB or better, but because they cut the glass at a much quicker rate than the ceramic, undercut may occur. Aluminum Oxide 30μm lapping film is typically used as for polishing MM connectors.

The 4" film disc is the standard size for the Seikoh Giken SFP-100D, Ultra Tec UT-8808 (old), Minipol-1, Siecor SP500, Domaille FS500 and all Krell Polishing Machines.

Lapping Film Features:

• Film Color: Purple
• Tape Total Thickness: 120.0 ± 5.0μm
• Surface Roughness: 5.6 ± 2.0μm
• Particle Type: Aluminum Oxide film
• Grit Size: 30 micron (30μm)
• Base Film Material: Polyethylene terephthalate
• Base Film Thickness: 3 mil (75 µm)
• Quantity: 100 discs
• Process Parameters Type: AF
• Non-PSA Backed Film
• Product Life: Guaranteed up to 5 years from the manufactured date

A center hole is not recommended unless the polishing machine requires one. A center hole will increase the cost of the lapping film.