| 摘要 |
The present invention relates to a composition comprising a fine powder and more particularly, though not exclusively, to a composition in which the fine powder is a colorant. Such compositions have particular use in the construction industry for colouring building materials, particularly cementitious products mortar, asphalt and tarmac. The composition comprises a fine powder and a particulate material, the fine powder being releasably bound to the particulate material with a coating agent. The invention also discloses a method of making the composition and a method of making an end product with the composition. |
