01 Ngaio Ngaio-Mahinga Nui Refractories Hollow Microsphere Cenosphere
Ko nga Cenospheres e kiia ana ko te microspheres, he koretake, he kowhaowhao me te whakakii maramara. A he iti to ratou kiato, kore paitini, waikura-aukati, waiariki pūmau, teitei kaha wāhanga, pai te kiriweti, oro taratahi, iti wai absorpti...