Tangshan Sanjiang Chemical Co., Ltd -

Tangshan Sanjiang Chemical Co., Ltd

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sodium metabisulfite tech grade
Specification: 96%
Detail: Main Content: 96%min, Water Insoluble: 0.05%max, Iron: 50ppm max, Pb: 10ppm max, As: 20ppm max, pH: 4.0-4.6


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