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Technical Data Sheet
Parameter | Grade | ||
Standard | HG/T3688 – 2000 | UN Code | 1813 CLASS 8 PKG II |
Item | Inspection item % | Premium Grade | First Grade |
01 | KOH | ≥ 95 | ≥ 90 |
02 | K2CO3 | ≤ 0.5 | ≤ 0.5 |
03 | Chloride (Cl) | ≤ 0.005 | ≤ 0.005 |
04 | Fe | ≤ 0.0005 | ≤ 0.0005 |
05 | Sulfate (SO4) | ≤ 0.005 | ≤ 0.005 |
06 | Nitrate (N) | ≤ 0.0005 | ≤ 0.0005 |
07 | Na | ≤ 0.5 | ≤ 0.25 |
08 | Phosphate (PO4) | ≤ 0.005 | ≤ 0.005 |
09 | Silicate (SiO3) | ≤ 0.01 | ≤ 0.01 |
10 | Al | ≤ 0.002 | ≤ 0.002 |
11 | Ca | ≤ 0.005 | ≤ 0.005 |
12 | Ni | ≤ 0.0005 | ≤ 0.0005 |
13 | Heavy metal (as Pb) | ≤ 0.002 | ≤ 0.002 |
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