Voluntary standards: GB/T1707-1995
Packing: 25kg/500kg/1000kg per bag .25MT/20’Fcl
Characteristics: White pigment, zinc sulfate content is 28%. Hiding power is stronger than zinc oxide,lower than titanium dioxide,good heat endurance.
Range of application: Coating, paint producing, printing ink, plastic,rubber, paper making, enamel etc..
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Specification
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Sumtotal of zinc(base on zinc sulfate and barium sulfate (m/m)
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99% min
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Total zinc amount(base on zinc sulfate) (m/m)
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28% min
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Zinc oxide(m/m)
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0.6% max
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105°C volatile(m/m)
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0.3% max
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After Soluble in water%(m/m)
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0.4% max
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Residue on sieve (63um sieve pore) (m/m)
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0.1% max
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Oil absorption, g/100g
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14max
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Reducing power(compare with standard sample)
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105% min
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