Gel silika
Titha kusintha kuuma kosiyanasiyana koletsa moto, kutchinjiriza, kutsika kwambiri, kutulutsa kwakukulu, nyengo, mvula, silikoni ya ceramic, ndi silikoni wamba pazogulitsa zamakasitomala.Titha kupanga silikoni extruded ndi kuumbidwa malinga ndi njira kasitomala zida.