Matumba a fiberglass ndi mtundu watsopano wa nsalu yokhala ndi kutentha kwambiri komanso kukana dzimbiri, yomwe ingagwiritsidwe ntchito popanga ma felt osiyanasiyana olimbana ndi kutentha kwambiri komanso kukana dzimbiri. Matumba a fiberglass amagwiritsidwa ntchito m'njira zosiyanasiyana, kuphatikizapo zamagetsi, zida zapakhomo, ndege, magalimoto ndi zina. Ingagwiritsidwe ntchito popanga mapaipi otenthetsera, zingwe zotenthetsera, ma clamp a mapaipi otenthetsera, ma sheath a mapaipi otenthetsera, ndi zina zotero; ingagwiritsidwe ntchito popanga ma shroud plug fumbi, ma spark plug clamp, mapaipi otenthetsera a turbocharger, mapaipi otenthetsera a dongosolo loziziritsira ndi ma shuff a mapaipi otenthetsera a turbocharger, ndi zina zotero; ndipo ingagwiritsidwe ntchito popanga ma insulators a mapaipi otenthetsera, ma sheath a mapaipi otenthetsera, ma felt otenthetsera kutentha ndi ma shroud a mapaipi otenthetsera. Kuphatikiza apo, glass fiber needle felt ingagwiritsidwe ntchito popanga ma sheath a mapaipi otenthetsera, ma heat pipe cover, ma heat pipe shroud, ma turbocharger heat pipe insulation, ma heat pipe jackets, ma heat insulation felts ndi zina zotero.