"Iù-hûi-á" pán-pún chi-kan bô-kāng--ê tē-hng

[[ImageFile:Nymphenburg-porzellan.jpg|thumb|[[Nymphenburg porcelain]] (about 1760-1765)]]

'''Iù-hûi-á''' (''porcelain'') sī tī chiok-koân ê un-tō· sio--chhut-lâi ê [[tô-chû]]. The̍h-lâi sio iù-hûi-á ê châi-liaū sêng-hūn chú-iàu sī [[feldspar]], silica, kap [[kaolin]], í-ki̍p khoàⁿ su-iàu chiah ka--ji̍p ê [[potash]], [[soda]], he̍k [[chio̍h-hoe]] (lime). Iù-hûi-á ê te̍k-sèng sī [[po-lê]]-hoà, thang-kng, tēng, chhoè, bē-koè-chúi, bē-koè-tiān, nāi-hoà-ha̍k-chhim-se̍k (''resistance to chemical attack''), nāi-jia̍t-chhiong-kek (''resistance to thermal shock''). I sī pe̍h-sek ê he̍k kî-thaⁿ jîn-ûi ê sek-chúi.

Iù-hûi-á hông the̍h-lâi chè-chō chàu-kha pn̄g-toh-á ê oáⁿ-poâⁿ, piān-só· e̍k-keng ê oē-seng siat-pī, phoè-kéng-phín, gē-su̍t-phín, kap [[thài-luh]]. In-ūi i bē-koè-tiān, hông the̍h-lâi chò choa̍t-iân ê hûi-á-chím kap hûi-á-oáⁿ. [[Khí-kho]] mā kā the̍h-lâi chò [[khí-lông]], [[siuⁿ-bīn]].