Polyvinyl alcohol premium brand 11/2
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Description
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Indicators |
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Appearance |
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Color |
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Mass fraction of acetate groups, % |
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Mass fraction of sodium acetate (in terms of Na2O), % , no more |
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Mass fraction of volatile substances, % , no more |
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Solubility in % , not less |
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pH |
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Dynamic viscosity of 4% - go solution at 20ºС, spz |
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Sieve residue with grid 10 - 2,0 |
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Transparency of 4% of solution, not less |
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Polyvinyl alcohol premium brand 11/2