... pccking: 50kg or according customer need good quality Sodium sulphate (sodium sulfate) USES:1. Mainly used as synthetic detergent of filling ... faster, thus speeding up the cement hydration hardening speed. Sodium sulfate dosage of cement quality is generally 0.5% ~ 2 ... and dyeing and pharmaceutical industry, synthetic fiber, leather, non-ferrous metallurgy, enamel, etc can be used in the manufacture, ...