| sodium benzene sulphinate photo-taking grade:Content ≥ 98.5% |
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| sodium benzene sulphinate medicine grade:Content≥ 97% |
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| sodium benzene sulphinate aqueous grade:Content≥99% |
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| sodium benzene sulphinate Photo-taking aqueous grade:≥99.0% |
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| sodium benzene sulphinate medicine aqueous grade: Content ≥99% |
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| Sodium p-toluene sulfinate plating grade:Content≥96% |
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| sinking agent F-11(sodium polystyrene
sulfonate) Sulfonic group content>2.6 (millimole/g)Sinking properties:Qualified |
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| ...more>> | ||
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