Chalk. Made from calcium carbonate, derived from limestone or dolomite. Whiting can come in various grades of coarseness. For painting, it is used in the making of gesso.
An inert, white, crystalline pigment composed principally of calcium carbonate.
An inert, white amorphous pigment composed principally of calcium carbonate. Used extensively for making putty, and as an extender in paints.
Finely ground calcium carbonate. Used as an extender in paints, and as a conditioner for linseed oil putty to thicken it to a less-sticky, workable consistency
is a finely powdered product produced by milling and classifying limestone (generally chalk). The nominal top size varies from 10 to 75um.
Ground calcium carbonate (chalk, marble) used in gesso and acrylic ‘gesso' and as a mild abrasive.
Calcium carbonate, used to remove flux and polish up lead lines when scrubbed.
Chalk which is purified, ground with water and dried to form an inert pigment.
Finely ground, naturally occurring calcium carbonate used as a filler.
Fine powdered chalk used to facilitate hand-wiping and to brighten highlights.
The powdered chalk pigment in paint and putty.