Kaolyne.
Extra white no-fire self-hardening clay with mother of pearl powder.
Kaolyne® Pearly white self-hardening extra fine porcelain paste - KAONB1 Made from selected kaolins and silky talc. In paste for modelling or sculpture. In liquid KAONB1L / KAONB3L for plaster moulds. Does not require firing. Dries in about 48 hours.