Lithopone 301/311

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Item B301 B311 Superior quality First-class products Quality products Superior quality First-class products Quality products Sum of total zinc and barium sulfatein terms of zinc sulphide % (m/m)≥ 99 99 Total zinc amount(in terms of zinc sulphide)%(m/m)≥ 28 30 zinc oxide, %(m/m)≤ 0.6 0.8 1 0.3 0.3 0.5 105º C volatile matter %(m/m)≤ 0.3 0.4 0.5 0.3 0.3 0.5 Water soluble matter %(m/m)≤ 0.4 0.4 0.5 0.3 0.4 0.5 Screen tailings(63um sieve pore %(m/m)≤ 0.1 0.1 0.1 0.1 0.1 0.1 Color(Compared with standard sample) Better Similar General Better Similar General Alkalinity of Water extraction liquid General Oil absorption, g/100g 14 12 Tint reducing power(Compared with standard sample), %≥ 105 100 95 105 100 95 Covering power(contrast ratio) Not lower than 5% standard sample

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Beijing Longbangxing International Imp&Exp CO.,

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