SPECTRALUX OPACIFIERS

Our Spectralux Opacifiers were introduced in 1995. Since that time, customers in sanitaryware, tile, dinnerware, and core making have enjoyed the consistency of these products.

Continental Minerals Spectralux Opacifiers are processed to our exact specifications. Custom grinds are available to meet customer's specific requirements. Spectralux has proven through the years to offer superior opacification by quality manufacturers in sanitaryware, tile, insulator, dinnerware, procelain enamel and other whiteware industries.

Our precise particle size standards and chemistry also make Spectralux the preferred opacifier for ceramic core manufacturers.


Properties of Continental Mineral Processing Spectralux Opacifier (ZrSiO₄)
Typical Chemical Analysis (in weight %)
*ZrO₂	Zirconium Oxide	65% Min.
SiO₂	Silicone Dioxide	32.5% Typ.
AI₂O₃	Aluminum Oxide	2.0% Max.
TiO₂	Titanium Dioxide	0.35% Max.
Fe₂O₃	Iron Oxide	0.15% Max.
U & Th	Uranium & Thorium	475 Max.
P₂O₅	Phosphrus Pentoxide	0.09% Typ.
*Includes 1-4% Hafnium Oxide HfO₂

Typical Physical Properties
Melting Point	Greater than 4000^o
Coefficient of Thermal Expansion	4.2 x 10^-6cm/cm/^oC
Hardness	7.5 Moh's Scale
Thermal Conductivity	14.5 BTU/sq. ft./hr./^oF/in.
Index of Refraction	2.0
Thermal Stability	no change to 3090^oF (1700^oC)

Average Particle Size
3500 Spectralux	1.95 – 2.05 Microns
4500 Spectralux	1.65 – 1.75 Microns
5500 Spectralux	1.40 – 1.5- Microns
6000 Spectralux	1.20 – 1.30 Microns
7000 Spectralux	0.95 – 1.05 Microns

PACKAGING

• Multiwall Paper

• Bulk Bags

• Pneumatic Trucks

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For more information regarding Continental Mineral Processing,
please contact us directly at 513.771.7190 or e-mail us at info@continentalmineral.com
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