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BURGESS NO. 50 - Technical Data Sheet
BURGESS NO. 50
CALCINED ALUMINUM SILICATE
BURGESS NO. 50 is a high brightness, fine particle size calcined kaolin that is an excellent extender of TiO2 in coatings or polymeric systems. BURGESS NO. 50 facilitates reduction of prime pigment while maintaining opacity, whiteness, and tint strength of coatings and retention of physical properties in filled polymeric systems.
BURGESS NO. 50 is also suitable for use in polishes or other end uses in which excellent dispersion and low 325 mesh residue are required.
Typical Physical Properties
GE Brightness % 93.0
325 Mesh Residue % 0.002
Average Particle Size Sedigraph 0.75 μ
Free Moisture % Max 0.5
Specific Gravity 2.63
Refractive Index 1.62
pH (20% Solids) 5.5
Typical Chemical Properties
Silica (SiO2) % 51.0 – 52.4
Alumina (Al2O3) % 42.1 – 44.3
Iron Oxide (Fe2O3) % Trace
Titanium Dioxide (TiO2) % 1.56 – 2.50
Issue Date: CD00F
The suggestions and data contained in this bulletin are based on data which are believed to be reliable. They are offered in good faith, to be applied according to the user’s own best judgment. Since operating conditions in the processor’s plant are beyond our control, Burgess Pigment Company cannot assume responsibility for any risks or liabilities which may result from the use of its products. Likewise, no liability is assumed for any claimed patent infringement occurring by reason of any method or manner of use, or any product made by a consumer. While the Burgess Pigment Company guarantees the quality of its products, it cannot give any warranty regarding the results obtained by the use thereof.