Renfert Cobra 50um White

Renfert Cobra 50um White

Description

Cobra

This abrasive contains one of the hardest materials: aluminium oxide (Al2O3).

  • extremely sharp-edged.
  • low to very high abrasive effect dependant on size.
  • extremely pure - approx. 99.7% Al2O3.
  • less than 0.06% SiO2 impurity - according to DIN 8201 there is no danger of silicosis.
  • low dispersion of grain sizes.

Cobra 50 µm

(270 mesh)

  • gently abrasive.
  • gentle oxide removal / deflasking.
  • frame preparation (precious metals).
  • surface conditioning (porcelain / acrylic).
  • cement removal (precious and non-precious metals).
  • removing the reaction layer / conditioning prior to etching pressed porcelain.

Description Art. No.

50 µm, white 12.5 kg canister R1594-1112