SPECIFICATIONPM-200 is liquefied in normal temperature and easily handled and stored down to -20ºC. It is solvent-free form with 2.7 average organic function and maximum of 125 cps (25ºC) viscosity which is mixed with monomer MDI of 4,4 -diphenylmethane diisocyanate and its oligome......
Item | Value |
NCO content | 30.0∼32.0 |
Viscosity (25ºC) | 150∼230 |
H.C content | Max.0.3 |
Acid content | Max.0.1 |
Specific gravity (25ºC) | 1.23∼1.25 |
Boiling point | 200∼208 |
Freezing point | below -20 |
Evaporation pressure (25ºC) | ignorable level |
Ignition point | 177∼218 |
Molecular weight | 350∼400 |
Usage of chemical TDI 80/20 DIISOCYANATE:
1.It is widely used in the production of polyester-based soft foam,high-bearing sponges,
semi-rigid ester foam,high resilience,slow rebound,paint and other industries.
2.It is used in the synthesis of fiber, foamed plastic and rubber.
3.It is also used as bonding agent