Cas Number: 16923-95-8
  PZH is an off-white free flowing powder, highly alkaline in nature.
Anionic zirconium species exist in the form of polymeric chains linked by hydroxyl bridges.

Application - Flame Proofing
  Typical ZrO2 content 35%

Materials containing fluorine ions are well known flame retarding agents, as are other compounds based on either Antimony or Bromine.

Zirconium forms extremely strong bonds with chemical groups such as fluorine as well as with carboxyl and protein groups. Thus zirconium is ideal for holding fluorine onto proteinacious material such as wool. Such strong bonding preserves the flame retarding fluorine through several laundering cycles.

Application - Metal Hardening
  Typical ZrO2 content 35%

Soft metals such as Magnesium and Aluminium may be hardened by the addition of Zr.
The PZH is added to the molten metal in the foundry under controlled conditions.

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