Allegran/Largan

Quick preparation

Aka-Allegran and Aka-Largan applies a unique system for material removal. Integrated abrasive is released while applying abrasive in the form of diamond suspension or diamond spray to Aka-Allegran and Aka-Largan. The result is high removal, long life and perfect planeness.
Any material with hardness above 150 HV can be prepared using Aka-Allegran. For materials with hardness from 50 to 400 HV use Aka-Largan

Aka-Allegran-9 introduces one-step-grinding
  • Aka-Allegran-9 replaces a number of grinding steps, typically P320 - P1200 with one single step.
  • After being prepared on Aka-Allegran-9, the samples are ready for polishing. Preparation on Aka-Allegran-9 typically can be limited to 3 - 5 min, and the samples only need to be plane grinded at P80 to P220, to be ready for Aka-Allegran-9.
  • If the previous preparation step was Aka-Piatto the Aka-Allegran-9 preparation can typically be reduced further in time, due to the high flatness generated by Aka-Piatto.

Aka-Allegran-3 replaces polishing cloths on 3 µm
  • Aka-Allegran-3 replaces the typical 3 µm polishing step on textile based cloths with a unique ridgid disc polishing step.
  • Due to its low flexibillity all phases in your specimen is prepared intact. This means your inclusions will still be in place, your coatings will be in the same level as the base material even mineralogy samples with multiple phases are prepared easily with Aka-Allegran-3.
  • Aka-Allegran-3 uses much lower force than usually and requires almost no lubrication. Just use Aka-Mono or Aka-Poly suspensions or the new DiaMaxx if you prepare large samples which require a little lubrication.

Aka-Allegran-1 replaces the final polishing step result ing in outstanding flatness regarless of how many phases your specimen may contain

Some examples of polishing with Allegran


Aka-Largan-9 introduces one-step-grinding for soft material from 50 to 400 HV
  • Aka-Largan-9 replaces a number of grinding steps, typically P320 - P1200 with one single step.
  • After being prepared on Aka-Largan-9, the samples are ready for polishing. Preparation on Aka-Largan-9 typically can be limited to 3 - 5 min, and the samples only need to be plane grinded at P80 to P220, to be ready for Aka-Largan-9.

Some examples of polishing with Largan