Superlon | Longcliffe
Highpurity calcium carbonate powder Longcliffes Brassington Moor quarry in Derbyshire is the home of our Superlon range of ground calcium carbonate (GCC) powders. We process highpurity carboniferous limestone at our facilities, resulting in this exceptionally highquality fine powder. Our rigorous processing operations include crushing and milling the raw stone before drying and screening