2,4-Толуилендиизоцианат
Test items Index
Isocyanate ％ ≥99.0
Saponifiable chlorine ％ ≤0.01
Chlorine ％ ≤0.04
Crystallizing point℃ ％ 5.0-6.5
Chromaticity （Hazen） ≤50
Density （20℃）g/cm3 1.21-1.23
Refractive index n020 1.564-1.568
Acidity （HCI） ≤0.04
2.4-TDI Structure isomer ≤64.0
2.6-TDI Structure isomer ≤36.0
Packing:Net weight is 250kg iron drum.
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Соляная кислота | Item Index Total acidity（HCI） ≥ 31.0 Iron（Fe） ≤ 0.002 Residue on ignition ％ ≤ 0.05 Free chlorine（CI）％ ≤ 0.004 Arsenic(As)％ ≤ 0.... |
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оксид цинка | Test items Indirect method Direct method Zinc oxide(counted by dried substances )% ≥ 99.7 99.5 Metal ( Zn ) % ≤ None None Lead oxide( Pb ... |
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Триоксид мышьяка | Main content Other impurities Arsenic trioxide Iron Lead Chlorine Chromium Cadmium Water As2O3 Fe Pb Cl Cr Cd H2O ≥ ≤ ≤ ≤ ≤ &l... |
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