Burgess No 40 is a hydrous kaolin clay with a median particle size and medium brightness, specifically designed for use in trade sales coatings and adhesives. This material has an acidic pH and is known for its excellent dispersibility. It functions as an extender, filler, and pigment in various formulations. Its fine properties make it ideal for applications requiring high-quality dispersal and pigmentation, with a powder form that ensures ease of use in diverse industrial applications.

Chemical Name: Calcium Carbonate, Kaolin

Chemical Family: Calcium Salts, Carbonates, Kaolins

Pigment Type: Inorganic Pigments

Enhanced TDS

Identification & Functionality

Features & Benefits

CASE Ingredients Features

Applications & Uses

Properties

Color (Properties)
Physical Form
Chemical Properties
ValueUnitsTest Method / Conditions
Titanium Dioxide Content1.35 - 2.27%-
Iron Oxide ContentTrace%-
Alumina Content37.5 - 39.7%-
Silica Content44.8 - 45.3%-
Loss on Ignition13.7 - 14.1%-
Physical Properties
ValueUnitsTest Method / Conditions
pH Value (20% Solids)5.3--
Refractive Index1.56--
Specific Gravity2.63--
Free Moisturemax. 1.0%-
Average Particle Size1.3μ-
325 Mesh Residue0.15%-
GE Brightness85%-
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Physical FormPowder--
Boiling PointDecomposes below Boiling Point--
Burning Number1--
ColorWhite--
Decomposition Temperaturemin. 600°C-
OdorCharacteristic--
Density (at 20°C)2.6g/cm³DIN-ISO 787/10
Explosive PropertiesNot ExplosiveEU Legislation
Flammability (Solid, Gas)The product is not flammable. It will not burn--
Flash PointDoes not flash--
Insoluble inWater--
Melting Pointmin. 1.700°C-
pH (at 20°C, Concentration: 200 g/l)3.5 - 7.5-DIN-ISO 787/9

Packaging & Availability