Lub cev muaj zog ntawm Calcium Sulfate

Calcium sulfate yog dawb crystalline hmoov, tsis muaj ntxhiab, nrog astringent saj, ceev 2.960 g / cm3, me ntsis soluble nyob rau hauv dej thiab glycerol, insoluble nyob rau hauv ethanol. Nws yog hygroscopic, feem ntau muaj 2 crystal waters, poob 1 molecule ntawm crystal dej ntawm 128 degree, thiab poob tag nrho cov dej ntawm 163 degree, thiab muaj nyob rau hauv daim ntawv ntawm gypsum ore nyob rau hauv cov xwm. Qhov hnyav molecular yog 136.14, thiab nws yog ib qho xim tsis muaj xim monoclinic. Cov khoom ntuj yog me ntsis cyan vim suav nrog impurities. Nws kuj muaj ib qho chaw ruaj khov monoclinic, uas hloov mus rau hauv monoclinic system ntawm 1193 degree. Dissociation siab: 400 Pa ntawm 1200 ° C, 5400 Pa ntawm 1360 ° C. Refractive index: 1.570; 1:575; ib: 1,614. Lub hardness yog 2. Lub elastic modulus yog 3600 Newtons ib square millimeter, lub compressibility yog 2.