Maamaa Maamaa: Kua Whakanuia te Perlite mo nga tono Ahumahi

He karaehe puia amorphous te Perlite he nui te nui o te wai, he mea hanga na te whakamakuku o te obsidian. Ka puta noa mai, a, he ahua rerekee ka nui haere ina whakamahana rawatia. He kohuke ahumahi me te hua arumoni e whai hua ana mo te iti o te kiato i muri i te tukatuka.

Ka pupuhi te perlite ka tae ki te mahana o te 850–900 °C (1,560–1,650 °F). Ko te wai e mau ana i roto i te hanganga o nga rawa ka mawhiti, ka mawhiti, na tenei ka piki ake te roanga o te rauemi ki te 7-16 nga wa o tona rahinga taketake. Ko te mea whakawhanui he ma kanapa, na te whakaata o nga mirumiru kua mau. Ko te perlite kare i whakawhanuihia ("raw") he nui te kiato o te 1100 kg/m3 (1.1 g/cm3), engari ko te peariki whakawhanui he 30–150 kg/m3 (0.03–0.150 g/cm3).