... SALT high purity saltspecial saltiodized saltrefined salt Sodium Chloride≥99.6%≥99.9%≥99.6%≥99.6% ≥99.6%Moisture≤0.1%≤0.1%≤0.15%≤0.30 ... sodium carbonate,sodium hydrate,sodium metal, glauber salt, synthetic hydrochloric acid, ,syntheticrubber ,plastic,fibre,pesticide, melting snow,medicine. 8. ... stack up against the rain, not mixed with the acid-base storage, stack end to laying wood to moisture, ...