Silicon Dioxide Cas: 7631-86-9
Nomoro ea lethathamo | XD92013 |
Lebitso la Sehlahiswa | Silicon dioxide |
CAS | 7631-86-9 |
Foromo ea molek'hulela | O2Si |
Boima ba Molek'hule | 60.08 |
Lintlha tsa polokelo | 2-8°C |
Khoutu ea Lekhetho e Kopantsoeng | 3802900090 |
Tlhaloso ea Sehlahisoa
Ponahalo | Phofo e tšoeu |
Assay | 99% mets |
Sebaka se qhibilihang | >1600 °C(hote.) |
Ntho e belang | >100 °C(hote.) |
tekano | 2.2-2.6 g/mL ka 25 °C |
index ea refractive | 1.46 |
Fp | 2230°C |
ho qhibiliha | Ha e khone ho qhibiliha ka metsing le ka liminerale acid ntle le hydrofluoric acid.E qhibiliha ka litharollo tse chesang tsa alkali hydroxides. |
Matla a Khoheli a khethehileng | 2.2 |
Matla a Khoheli a khethehileng | 0.97 |
Matla a Khoheli a khethehileng | 1.29 |
PH | 5-8 (100g/l, H2O, 20℃)(slurry) |
Ho qhibiliha ha Metsi | e sa qhibidihang |
E hloahloa | Hygroscopic |
Silika e boetse e tsejoa e le silicone dioxide.Silika e na le mefuta e fapaneng ea lisebelisoa: ho laola viscosity ea sehlahisoa, ho eketsa bongata, le ho fokotsa ponaletso ea tlhahiso.E ka boela ea sebetsa joalo ka abrasive.Ho feta moo, e ka sebetsa joalo ka sejari sa li-emollients, 'me e ka sebelisoa ho ntlafatsa letlalo la letlalo.Silika e chitja e na le masoba 'me e monya haholo, e khona ho monya hoo e ka bang boima ba eona ka makhetlo a 1.5.Tlhaloso e tloaelehileng e amanang le silica ke taolo ea oli.E fumanoa litlolo tse sireletsang letsatsi, li-scrubs, le mefuta e mengata e mengata ea tlhokomelo ea letlalo, litlolo le litokisetso tsa tlhokomelo ea moriri.E 'nile ea sebelisoa ka katleho ho lihlahisoa tsa hypoallergenic le tse lekiloeng ka ho kula.
Silica (SiO2) (RI: 1.48) e rafshoa ho tloha ho li-deposit tsa lejoe le bonolo la diatomaceous tjhoko (keiselghur).Ena ke sehlopha sa bohlokoa sa li-pigment tse extender, tse sebelisoang ka boholo bo fapaneng ba likaroloana.Li sebelisoa e le sesebelisoa se bataletseng ho fokotsa ho benya ha lirafshoa tse hlakileng le ho fana ka thepa ea ho phalla ha moriri o mosesaane ho litlolo.Li batla li bitsa chelete e ngata.
Silicon(IV) oxide, amorphous e sebelisoa e le bajari, lisebelisoa tsa ho sebetsa, li-anti-caking le lisebelisoa tsa mahala tsa phallo lijong tsa liphoofolo.Lisebelisoa tsa defoamer tse kang pente, lijo, pampiri, masela le lisebelisoa tse ling tsa indasteri.Li-silicon dioxide tsa maiketsetso li sebelisoa e le moemeli oa taolo ea rheology ka lipolasetiki.E boetse e sebelisetsoa ho etsa li-adhesives, sealants le silicones.
Ho etsa likhalase, likhalase tsa metsi, li-refractories, abrasives, ceramics, enamels;ho hloekisa le ho hloekisa oli, lihlahisoa tsa peterole, joalo-joalo;ka scouriing- le sila-compounds, ferrosilicon, hlobo bakeng sa castings;joalo ka anticaking le defoaming agent.