Insulation mai nauyi: Fadada Perlite don Aikace-aikacen Masana'antu

Perlite gilashin dutse ne mai amorphous wanda ke da babban abun ciki na ruwa, yawanci ana samuwa ta hanyar hydration na obsidian. Yana faruwa ta dabi'a kuma yana da kayan da ba a saba gani ba na faɗaɗawa sosai lokacin da aka yi zafi sosai. Yana da ma'adinai na masana'antu da samfurin kasuwanci mai amfani don ƙananan ƙarancinsa bayan sarrafawa.

Perlite yana tasowa lokacin da ya kai yanayin zafi na 850-900 ° C (1,560-1,650 °F). Ruwan da aka makale a cikin tsarin kayan yana vaporises kuma ya tsere, kuma wannan yana haifar da fadada kayan zuwa 7-16 sau na asali. Abun da aka faɗaɗa shi ne farar fata mai haske, saboda nunin kumfa da aka kama. Unexpanded ("raw") perlite yana da girma mai yawa a kusa da 1100 kg/m3 (1.1 g/cm3), yayin da na al'ada fadada perlite yana da girma yawa na kusan 30-150 kg/m3 (0.03-0.150 g/cm3).