物理性質及形態:1:工業硅酸鈉技術指標類別指標名稱技術指標液體二氧化硅（%)≥26.0≥29.2≥25.7氧化鈉（%）≥8.2≥12.8≥10.2波美度39.0-41.050.0-52.044.0-46.0水不溶物（%）≤0.10≤0.10≤0.10鐵（%）≤0.03≤0.03≤0.03模數3.1-3.42.2-2.52.6-2.9固體可溶固體（%）≥99≥99≥99鐵（%）≤0.036≤0.025≤0.021模數3.1-3.42.6-2.92.2-2.5粉狀速溶硅酸鈉質量指標：規格指標名稱IIIIIIIV模數2.00-2.202.30-2.502.80-3.003.10-3.30二氧化硅SiO2%49.0-53.052.0-56.057.0-61.059.0-63.0氧化鈉Na2O%24.0-27.022.0-25.020.0-23.018.0-21.0溶解速度秒