Calcined Clay Suppliers

Calcined Clays

Calcined Clay is an anhydrous aluminium silicate produced by heating a fine natural clay to around 1000 degrees C. These clays  give a high opacity and have an increased Mohs harness value of around 4-5 compared to an hydrous clay with a mohs value of about 2.5. The clays are available uncoated or coated with a range of coatings available.

Flash Calcined Kaolin

This is a high performance calcined kaolin produced by Imerys ® by a patented flash calcinations technique that creates intrinsically sealed voids within the particles resulting in a low specific gravity within the particles resulting in a low specific gravity and outstanding opacifying properties.

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