Manufactures Directory, Taiwan Suppliers & China Manufactures

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  Sodium Cyanide

  Test items Index
  Shape Lump
  Sodium cyanide (NaCN) %  ≥98.0
  Sodiun hydroxide (NaOH) %  ≤0.5
  Sodium carbonate (Na2CO3) %  ≤0.5
  Water (H2O) % ...

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  Potassium Cyanide

  Test items Index
  Shape Lump
  Potassium cyanide (KCN) % ≥99.0
  Potassium hydroxide(KOH) % ≤0.3
  Potassium carbonate(K2CO3)% ≤0.4
  Potassium formate (KOOCH)% ≤0.9
  Chloride ...

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  Toluene-2,4-diisocyanate

  Test items Index
  Isocyanate % ≥99.0
  Saponifiable chlorine % ≤0.01
  Chlorine % ≤0.04
  Crystallizing point℃ % 5.0-6.5
  Chromaticity (Ha...

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  Arsenic Trioxide

  Main content Other impurities
  Arsenic trioxide Iron Lead Chlorine Chromium Cadmium Water
  As2O3 Fe Pb Cl Cr Cd H2O
  ≥ ≤ ≤ ≤ ≤ ≤ ≤
  99.90% 0.01% 0.01% 0.00% 0.00% 0.00% 0.05%

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  Polyether Polyol

  Model Hydroxyl value Water content Acid value pH value Potassium Chromaticity Viscosity Degree of unsaturation
  mgKOH/g % mgKOH/g mg/Kg APHA mPa.s/25℃ mol/Kg
  GEP-560S 54.0-58.0 ≤0.08 ≤0.05 ...

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  Sodium Sulphide

  Class 1 Class 2 Class 3
  Test items Superior grade A first-rate product Acceptable product A first-rate product Acceptable product
  Sodium Sulphide (Na2S) % ≥ 60 60 60 60 60 65...

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  Sodium Metabisulfite

  Test items Refined High-purity grade Food-grade Industrial-grade
  Sodium metabisulfite % ≥ 98.5 98 97.5 97.0
  Iron Fe % ≤ 0.0005 0.001 0.0015 0.002
  Water insoluble matt...

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  Anhydrous Sodium Sulfite

  Test items Food-grade High-purity grade Industrial-grade
  Sodium sulfite (Na2SO3) % ≥ 97 98 97
  Iron Fe % ≤ 0.001 0.001 0.003
  Free Alkali (Na2CO3) % ≤ 0.4 0.05 0.1 ...