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PVPK

PVPK

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PVPK

  • Water No more than 5.0
  • pH(5% in water) 3.0-5.0
  • K-value 27-32.4
  • Vinylpyrrolidone No more than 0.2%
  • Aldehydes No more than 500ppm
  • Nitrogen content 11 .5-12.8%
  • Sulfated ash/residue on ignition No more than 0.1%
  • Heavy metals(lead) No more than 10ppm
  • Hydrazine No more than 1ppm
  • Peroxides No more than 400ppm