2021-08-04
建筑石膏粉質(zhì)量要求: ①0.2mm篩余量:≤8% ②結(jié)晶水: 5.0%~6.0% ③半水石膏(CaSO4·1/2H2O): HH≥75% ④可溶性無(wú)水石膏(CaSO4): AⅢ≤8% ⑤二水石膏(CaSO4·2H2O): DH≤4% ⑥初凝:≥3min ⑦終凝:≤30min ⑧抗折:≥2.0MPa ⑨抗壓:≥4.0MPa
與優(yōu)質(zhì)建筑石膏粉廠商合作
與優(yōu)質(zhì)電廠合作
粵ICP備19061987號(hào)