Zircopax Plus

Oxide	Analysis	Formula
HfO2	1.30%	1.09
TiO2	0.10%	0.22
ZrO2	64.80%	92.48
Al2O3	0.58%	1.00
SiO2	32.50%	95.10
Fe2O3	0.02%	0.02
Oxide Weight		17,463.10
Formula Weight		17,463.10

Notes

The designation 'Plus' refers to the particle size, it is a finer grained version zirconium silicate (see notes Zircopax). Formerly known as Superpax.

Related Information

My first zircopax kiln shelf passed with flying colors

It is 5 mm thick (compared to the 17mm of the cordierite one). It weighs 650 grams (vs. 1700 grams). It will perform at any temperature that any kiln that I have will generate and far in excess of that. It is made from a plastic body having the recipe 80% Zircopax Plus, 16.5% 60-80 Molochite grog and 3.5% Veegum T. The body is plastic and easy to roll and had 4.2% drying shrinkage at 15.3% water. The shelf warped slightly during drying, so care is needed. First-firing at cone 4 yielded a firing shrinkage of 1%). Notice that cone on the shelf: It is not stuck so no kiln wash is needed! Zircopax is super refractory! It is held together by sinter bonding, so the higher the temperature you can fire to the stronger it will be.

Ultrox Original Container Bag

These bags actually contain Zircopax Plus since Trebol is the new owner of the company.

Links

Materials	Superpax
Materials	Zircosil
Materials	Zircon
Materials	Tin Oxide
Materials	Zircopax
Materials	Magnesium Zirconium Silicate
Suppliers	Endeka Ceramics
Suppliers	Johnson Matthey, Colors and Coatings
Typecodes	Opacifier Opacifiers are powders that turn transparent glazes opaque by various chemical and physical mechanisms (and combinations of mechanisms).

Data

Density (Specific Gravity)	2550

Mechanisms

Glaze Opacifier	Superpax is a very fine grade zirconium silicate opacifier and will produce a whiter result than less expensive grades. See Zircopax.

By Tony Hansen