Ƙananan gilashin gilashi, waɗanda aka fi sani da Ƙananan gilashin gilashi masu haske (HGM), wani nau'in kayan aiki ne mai sauƙi wanda aka sarrafa musamman, wanda ba ƙarfe ba ne, kuma mai aiki da yawa. An haɗa su da borosilicate kuma ana samar da su ta hanyar yin sintering mai zafi a yanayin zafi daga 700 zuwa 800℃. Tare da girman barbashi yawanci tsakanin micromita 10 zuwa 250 da kauri bango na micromita 12, waɗannan ƙananan gilashin suna da girman micron kuma suna nuna kyawawan halaye kamar nauyi, ƙarfi mai yawa, rufin zafi, da juriya ga tsatsa.

Ƙananan na'urorin gilashi suna da nau'ikan aikace-aikace iri-iri saboda keɓantattun halayensu. Sau da yawa ana amfani da su azaman abubuwan cikawa a cikin kayan kamar fiberglass, inda zasu iya rage nauyi, haɓaka tauri, ƙarfin tasiri, da ƙarfin lanƙwasawa, yayin da kuma inganta daidaiton sinadarai da sake sarrafawa. Bugu da ƙari, suna iya maye gurbin kayan resin masu tsada, rage farashin samarwa. A cikin kayan haɗin gwiwa don gyara, kamar putty, suna ba da sauƙi, manne mai ƙarfi, sauƙin amfani, ƙarancin raguwa, da kwanciyar hankali mai kyau.

Gabaɗaya, ƙananan ƙwayoyin gilashi abu ne mai amfani da amfani mai yawa tare da babban yuwuwar ci gaba da amfani a masana'antu daban-daban.