|Inspection Item||Standard||Inspection Result|
|The content of Toluene Diisocyanate%≧||99.5||99.9|
|Hydrolysis chlorine% ≤||0.01||0.0021|
|Acidity(as HCL)% ≤||0.004||0.001|
TDI commonly used in polyurethane industry is a mixture of 2,4-TDI and 2,6-TDI isomers, including three commonly used brands: TDI-80/20, TDI-100 and TDI-65/35.
The preceding figures indicate the content of 2,4-TDI in the composition.
For example, 80 in TDI-80/20 indicates that its composition is 80% 2,4-TDI and 20% 2,6-TDI; 100 in TDI-100 basically represents 2,4-TDI (about 98%) and 2,6-TDI has few isomers.
TDI is mainly used for producing flexible polyurethane foam and polyurethane elastomers, coatings, adhesives and so on
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