Anticaking agent

A particulate composition comprising a calcium carbonate-based anticaking composition and a base component,

• wherein the calcium carbonate-based anticaking composition comprises a first component being a natural ground calcium carbonate or a precipitated calcium carbonate, and a second component being a surface-reacted calcium carbonate, wherein the surface-reacted calcium carbonate is a reaction product of natural ground calcium carbonate or precipitated calcium carbonate with carbon dioxide and at least one H3O+ ion donor, wherein the carbon dioxide is formed in situ by the at least one H3O+ ion donor treatment and/or is supplied from an external source,
• wherein the particulate composition comprises the calcium carbonate-based anticaking composition in an amount of from 0.1 to 50 wt. %, preferably in an amount from 0.1 to 20 wt. %, more preferably in an amount from 0.1 to 10 wt. %, even more preferably in an amount from 0.2 to 5 wt. %, and most preferably in an amount from 0.3 to 2.5 wt. %, based on the total weight of the particulate composition.

A method for the production of a particulate composition,

• the method comprising the step of mixing a calcium carbonate-based anticaking composition with a base component,
• wherein the calcium carbonate-based anticaking composition comprises a first component being a natural ground calcium carbonate or a precipitated calcium carbonate, and a second component being a surface-reacted calcium carbonate, wherein the surface-reacted calcium carbonate is a reaction product of natural ground calcium carbonate or precipitated calcium carbonate with carbon dioxide and at least one H3O+ ion donor, wherein the carbon dioxide is formed in situ by the at least one H3O+ ion donor treatment and/or is supplied from an external source, and
• wherein the calcium carbonate-based anticaking composition is admixed into the base component in an amount of from 0.1 to 50 wt. %, preferably in an amount from 0.1 to 20 wt. %, more preferably in an amount from 0.1 to 10 wt. %, even more preferably in an amount from 0.2 to 5 wt. %, and most preferably in an amount from 0.3 to 2.5 wt. %, based on the total weight of the particulate composition.