Kaseti ya silika ndende nigicuruzwa cyangiritse cyakozwe muri fibre ndende ya silika, ikoreshwa cyane muguhuza no gupfunyika munsi yubushyuhe bwo hejuru, gufunga, gushimangira, kubika hamwe nibindi bikorwa byakazi.
Irashobora gukoreshwa neza kuri 1000 ℃ umwanya muremure, kandi ubushyuhe bwokwirinda ako kanya burashobora gushika 1450 ℃.