Babban sinadarin sinadarai na beads masu iyo shine oxide na silicon da aluminum, wanda abun cikin silicon dioxide yake kusan kashi 50-65%, kuma abun cikin aluminum oxide shine kusan kashi 25-35%. Saboda wurin narkewar silica yana da girman 1725 ℃ kuma na alumina shine 2050 ℃, duk kayan hana ruwa ne masu yawa. Saboda haka, beads masu iyo suna da juriya sosai, gabaɗaya har zuwa 1600-1700 ℃, wanda hakan ya sa su zama masu juriya mai kyau. Nauyi mai sauƙi, rufin zafi. Bangon beads masu iyo siriri ne kuma mai zurfi, ramin yana da rabin injin tsabtace iska, ƙaramin adadin iskar gas ne kawai (N2, H2 da CO2, da sauransu), kuma isar da zafi yana da jinkiri sosai kuma ƙarami ne. Saboda haka, beads masu iyo ba wai kawai suna da nauyi mai sauƙi ba (nauyin girma 250-450 kg / m3), amma kuma suna da kyau a cikin rufin zafi (ƙarfin wutar lantarki 0.08-0.1 a zafin ɗaki), wanda ke shimfida harsashin su don taka muhimmiyar rawa a fannin kayan rufin zafi masu haske.

Babban tauri da ƙarfi. Saboda dutsen mai iyo jiki ne mai tauri wanda aka samar ta hanyar silica alumina mineral phase (quartz da mullite), taurinsa na iya kaiwa Mohs 6-7, ƙarfin matsin lamba mai tsauri na iya kaiwa 70-140mpa, kuma ainihin yawansa shine 2.10-2.20g/cm3, wanda yayi daidai da na dutse. Saboda haka, dutsen mai iyo yana da ƙarfi sosai. Gabaɗaya, kayan haske masu rami ko ramuka kamar perlite, dutsen tafasa, diatomite, sepiolite da vermiculite da aka faɗaɗa ba su da tauri da ƙarfi sosai. Kayayyakin kariya na zafi ko samfuran da aka yi da su suna da rashin ƙarfi na ƙarancin ƙarfi. Rashin ƙarfinsu kawai ƙarfin duwatsu masu iyo ne, don haka duwatsu masu iyo suna da fa'idodi masu gasa da amfani mai faɗi. Girman ƙwayoyin yana da kyau kuma takamaiman yankin saman yana da girma. Girman halitta na duwatsu masu iyo shine 1-250 μ M. Yankin saman takamaiman shine 300-360cm2 / g, kama da na siminti. Saboda haka, ana iya amfani da duwatsu masu iyo kai tsaye ba tare da niƙa ba.

Fineness na iya biyan buƙatun samfura daban-daban, sauran kayan kariya na zafi masu sauƙi galibi suna da girman barbashi (kamar perlite, da sauransu), idan niƙa zai ƙara ƙarfin aiki sosai, don haka rufin zafi ya ragu sosai. A wannan fanni, beads masu iyo suna da fa'idodi. Kyakkyawan rufin lantarki. Beads masu iyo kayan kariya ne masu kyau kuma ba sa tura iska. Gabaɗaya, juriyar insulator yana raguwa tare da ƙaruwar zafin jiki, amma juriyar beads masu iyo yana ƙaruwa tare da ƙaruwar zafin jiki. Wannan fa'idar ba ta da sauran kayan kariya. Saboda haka, yana iya yin samfuran kariya a ƙarƙashin yanayin zafi mai yawa.