Alumina dense (AL99-G)

99,7% Al2O3

AL99‑G is a high-purity, high-density alumina grade that is used for labo­ra­tory require­ments in the form of crucibles, anneal­ing dishes, tubes, plates and special formats. In large-scale use in the chem­i­cal and glass indus­tries, its chem­i­cal resis­tance at high temper­a­tures comes into its own. Alumina is an impor­tant mate­r­ial in medi­cine, elec­tri­cal engi­neer­ing, optics, crys­tal grow­ing and many other indus­tries.

SPECIAL PROPERTIES

  • high mechan­i­cal strength
  • high wear resis­tance
  • excel­lent antifric­tion prop­er­ties
  • high corro­sion resis­tance
  • high temper­a­ture resis­tance up to over 1700 °C
  • good ther­mal conduc­tiv­ity
  • high elec­tri­cal insu­la­tion capac­ity
  • Good to very good chem­i­cal resis­tance to: aluminium, beryl­lium, lead, chromium, iron, germa­nium, cobalt, copper, magne­sium, manganese, nickel, sili­con diox­ide, hydrochlo­ric acid (30%), vana­dium, bismuth, tin, zinc

Directional Analysis

Cast aluminium oxide
> 99,7% (dense)
Qual­ity AL99‑G
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