Infusorial earths, siliceous fossil meals and similar siliceous earths (for example, kieselguhr, tripolite or dialomite) of an apparent density of I or less, whether or not calcined, not put up for retail sale ex 25.13
Créanna ionfúsóracha, mineanna iontaiseacha siliceacha agus créanna siliceacha dá samhail (mar shampla, kieselguhr, tripilít nó diaitimít) agus 1 nó faoina bhun de shainmheáchan dealrach iontu, cailcínithe nó gan cailcíniú, gan bheith curtha suas lena miondíol ex 25.13