product introduction
cosmonate ph is pure monomeric mdi purified to high purity. it is a white solid at normal temperature and is pure and clear like water when liquefied. it is a monomeric mdi of 4,4-, 2,4-, 2,2-diphenylmethane diisocyanate with an organic function of 2 in a sector-shaped structure. in particular, it has strong discoloration resistance, which is the property of monomeric mdi. therefore, it is resistant to high temperature uv rays and has excellent internal discoloration stability.
product properties
|
features |
value |
unit |
test method |
|
purity |
min.99.8 |
wt% |
astm d 1638 |
|
ncocontent |
33.6 |
wt% |
astm d 1638 |
|
aphahue |
min.20.0 |
— |
astm d 1638 |
|
c/hhydrolyzable chloride |
max.0.2 |
wt% |
astm d 1638 |
|
viscosity(25℃) |
— |
— |
astm d 1638 |
|
specific gravity(25℃) |
1.20 |
— |
astm d 1638 |
|
appearance |
white solid |
|
|
|
boiling point |
314 |
℃ |
|
|
freezing point |
38.7 |
℃ |
|
|
vapor pressure(25℃) |
0.01 |
mmhg |
|
|
spontaneous ignition point |
196 |
℃ |
|
|
molecular weight |
250 |
g/mol |
|
chemical structure boiling point
314
℃
freezing point
38.7
℃
vapor pressure(25℃)
0.01
mmhg
spontaneous ignition point
196
℃
molecular weight
250
g/mol
chemical structure
application
- industrial products
- daily necessities and sporting goods
- spandex
- sole
- tpu elastomer
- artificial leather
- paints and adhesives
packaging
225kg/barrel
application
- industrial products
- daily necessities and sporting goods
- spandex
- sole
- tpu elastomer
- artificial leather
- paints and adhesives
packaging
225kg/barrel
