| 摘要 |
A multi-region detergent tablet of compressed particulate composition is provided comprising a detergent active compound, a detergency builder, particles which contain sodium tripolyphosphate with a content of the Phase I form which is more than 40% by weight of the sodium tripolyphosphate in the said particles, at least one salt other than said sodium tripolyphosphate which can be further hydrated and optionally other detergent ingredients, where in one or more of the regions which contains the particles which conta in sodium tripolyphosphate there is less than 10% by weight of that region of further hydratable salts, and there is at least one region containing at lea st 10% by weight of that region of further hydratable salts.
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