Fa'atau oloa si'isi'i lanu oneone vali vasega lanu oneone / oneone lanu fa'akomepiuta, oneone quartz mo fale gaosi oloa
Ua vaevaeina le oneone lanu i le oneone lanu masani, oneone lanu sintered, ma le oneone lanu vali.O ona uiga e: lanu susulu, faʻamaʻi ma alkali tetee, tetee UV, ma leai se mataʻutia.
Ituaiga: oneone lanu masani, oneone lanu.
tele: 10-20.20-40.40-80.80-120.120-180.200mesh.
Tusi lau savali iinei ma lafo mai ia i matou
