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ITEM | GB/T3185-92 | Q/NSD001--2007 | ||||
BA01-05(I) | theenterprise standard | |||||
Superior grade | A level | Superior grade | A level | |||
Zinc oxide % ≥ | 99.70 | 99.50 | 99.70 | 99.50 | ||
Metal % ≤ | No | No | No | No | ||
Lead monoxide % ≤ | 0.037 | 0.05 | 0.037 | 0.05 | ||
Manganeseoxide compound % ≤ | 0.0001 | 0.0001 | 0.0001 | 0.0001 | ||
Copper oxide % ≤ | 0.0002 | 0.0004 | 0.0002 | 0.0004 | ||
Hydrochloric acid insoluble substance % ≤ | 0.006 | 0.008 | 0.006 | 0.008 | ||
Ignition decrement % ≤ | 0.2 | 0.2 | 0.2 | 0.2 | ||
Trash(45um mesh) % ≤ | 0.10 | 0.15 | 0.10 | 0.15 | ||
Water-soluble % ≤ | 0.10 | 0.15 | 0.10 | 0.15 | ||
105°CVolatile matter % ≤ | 0.3 | 0.4 | 0.3 | 0.4 | ||
Ferric oxide % ≤ | - | - | 0.0009 | 0.0014 | ||
Total sulfur (to SO2- counts) the content % ≤ | - | - | 0.003 | 0.001 | ||
Lead content % ≤ | - | - | 0.005 | 0.003 | ||
Cadmium content % ≤ | - | - | 0.0009 | 0.00 | ||




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