Cov ntawv luv 'SS(~' yuav tsum tau siv rau 'super-sulphated cement', 3.3 Calcium Sulphate 1.1 tus qauv no suav nrog cov kev xav tau rau composttron, tsim khoom thiab kuaj cov supersulphated cement.
Txoj cai twg muaj feem cuam tshuam rau sulphate resisting cement?
4.1 \'Vhen tau sim ua raws li cov txheej txheem tau muab hauv IS: 4032-1985, sulphate resisting Port- av cement yuav tsum ua raws li cov kev cai tshuaj muaj nyob rau hauv Table J Blaine tus txheej txheem huab cua permeability raws li tau muab rau hauv IS: 4031 (Part 2)-1988t, qhov tshwj xeeb ntawm cov cement yuav tsum tsis pub tsawg dua 225 n12 / kg.
Dab tsi yog super sulphated cement?
Super-sulfated cement (SSC) yog tshiab tsim cov khoom siv tsis muaj hluav taws xob. Nws yog ib yam khoom siv rau ib puag ncig-phooj ywg cementitious vim nws lub zog txuag, carbon emission txo, thiab siv pov tseg. … Tus nqi no txawm tshaj lub zog compressive ntawm PC40 cement.
Puas yog tus lej OPC?
Rau OPC 33 qib, IS code yog IS 269 thiab cov hnab cement tau cim nrog IS 269 cim. Rau 43 qib OPC, IS code yog IS 8112. Lub hnab cement nqa IS 8112 cim tau suav tias yog 43 qib cement. Rau 53 qib cement, IS code siv los ua IS 12269.
Qhov twg zoo dua OPC lossis PPC?
PPC ua cov pob zeb uas muaj zog heev vim nws muaj dej permeability tsawg piv rau OPC. PPC muaj qhov pib qis qis zog piv rau OPC tab sis hardens nyob rau lub sijhawmnrog kev kho kom zoo. Thiab PPC tseem pheej yig dua piv rau OPC. … OPC siv tau heev uas yuav tsum tau ua kom nrawm nrawm ntawm kev tsim kho.
