| 摘要 |
A surface treated calcium carbonate in which calcium carbonate is surface treated with a fatty acid surface treatment agent satisfying the following equation (a), and the surface treated calcium carbonate satisfying the following equation (b) is provided: C12+C14 85(%)  (a) and Pv 90(%),  (b) C12 is a ratio of a fatty acid surface treatment agent having an alkyl group of 12 carbon atoms, C14 is a ratio of a fatty acid surface treatment agent having an alkyl group of 14 carbon atoms, and Pv is a ratio of a volume (vol. %) precipitated in hexane. The surface treated calcium carbonate of the present invention can provide the resin compositions having slip resistance and slump resistance with a good balance between them, especially the resin compositions having an excellent slip resistance.
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