Diisocyanate DI

Korea Kumho Mitsui Cosmonate PH Pure MDI

Product introduction
Cosmonate PH is pure monomeric MDI purified to high purity. It is a white solid at normal temperature, pure and clear as water when liquefied. It is a monomeric MDI of 4,4-, 2,4-, 2,2-diphenylmethane diisocyanate with an organic function of 2 with a fan-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

Property	Value	Unit of measurement	Method
purity	Min.99.8	wt%	ASTM D 1638
NCO content	33.6	wt%	ASTM D 1638
APHA shades	Min.20.0	—	ASTM D 1638
C/H hydrolyzable chlorides	Max.0.2	wt%	ASTM D 1638
Viscosity (25℃)	—	—	ASTM D 1638
Specific gravity (25℃)	1.20	—	ASTM D 1638
Exterior	white solid
boiling point	314	℃
Freezing point	38.7	℃
Vapor pressure (25℃)	0.01	mmHg
Spontaneous ignition point	196	℃
molecular weight	250	g/mol