Silicon Dioxide Cas: 7631-86-9
Lambar Catalog | XD92013 |
Sunan samfur | Silicon Dioxide |
CAS | 7631-86-9 |
Tsarin kwayoyin halittala | O2Si |
Nauyin Kwayoyin Halitta | 60.08 |
Bayanin Ajiya | 2-8 ° C |
Harmonized Tariff Code | 3802900090 |
Ƙayyadaddun samfur
Bayyanar | Farin foda |
Asay | 99% min |
Wurin narkewa | +1600C (lit.) |
Wurin tafasa | > 100 ° C (lit.) |
yawa | 2.2-2.6 g/mL a 25 ° C |
refractive index | 1.46 |
Fp | 2230°C |
narkewa | A zahiri maras narkewa a cikin ruwa kuma a cikin acid na ma'adinai ban da hydrofluoric acid.Yana narke a cikin maganin zafi na alkali hydroxides. |
Takamaiman Nauyi | 2.2 |
Takamaiman Nauyi | 0.97 |
Takamaiman Nauyi | 1.29 |
PH | 5-8 (100g/l, H2O, 20 ℃) (slurry) |
Ruwan Solubility | marar narkewa |
M | Hygroscopic |
Silica kuma ana kiranta da silicone dioxide.Silica yana da aikace-aikace iri-iri: don sarrafa dankowar samfur, ƙara girma, da rage bayyanan tsari.Yana kuma iya aiki a matsayin abrasive.Bugu da ƙari, yana iya zama mai ɗaukar hoto don abubuwan da ke motsa jiki, kuma ana iya amfani dashi don inganta yanayin fata na halitta.Silica Spherical yana da ƙuri'a kuma yana ɗaukar nauyi sosai, tare da ƙarfin sha kusan sau 1.5 nauyinsa.Alamar da'awar da ke da alaƙa da silica shine sarrafa mai.Ana samunsa a cikin mashinan rana, goge-goge, da sauran nau'ikan kulawar fata, kayan shafa, da shirye-shiryen kula da gashi.An yi nasarar amfani da shi a cikin magungunan hypoallergenic da gwajin-allergy.
Silica (SiO2) (RI: 1.48) ana hakowa daga ma'adinan dutse mai laushi mai kama da alli (keiselghur).Wannan rukuni ne mai mahimmanci na pigments mai tsawo, wanda aka yi amfani da shi a cikin nau'i-nau'i iri-iri.Ana amfani da su azaman wakili mai ɗorewa don rage ƙyalli masu haske da kuma ba da kaddarorin ƙwanƙwasa ƙwanƙwasawa zuwa sutura.Suna da tsada sosai.
Silicon (IV) oxide, amorphous ana amfani dashi azaman masu ɗaukar kaya, kayan aikin sarrafa kayan aiki, masu hana-caking da masu gudana kyauta a cikin abincin dabbobi.Aikace-aikacen defoamer kamar fenti, abinci, takarda, yadi da sauran aikace-aikacen masana'antu.Ana amfani da silicon dioxides na roba azaman wakili na sarrafa rheology a cikin robobi.Hakanan ana amfani dashi don kera adhesives, sealants da silicones.
Kera gilashin, gilashin ruwa, refractories, abrasives, yumbu, enamels;decolorizing da tsarkake mai, man fetur, da dai sauransu;a cikin ƙwanƙwasa- da niƙa-haɗin, ferrosilicon, gyare-gyare don simintin gyare-gyare;a matsayin anticaking da defoaming wakili.