Item Index Appearance White solid with strong moisture-absorbing performance colorless transparent liquid Moisture, %, ≤ 1.0HCOOK content, %, ≥ 96.00 74.0 KOH content, %,≤ 1.00 0.5 K2CO3 content, %, ≤ 2.00 1.0 KCL content, %, ≤ 1.00 0.5 Specific weight (g/cm3)30oC, ≤ \