Desmodur®N 3300

CAS No.	28182-81-2

Characterization	Aliphatic polyisocyanate (HDI trimer).
Form supplied	As the hardener component for lightfast polyurethane coating systems. solvent-free
Specification
Property	Value	Unit of measurement	Method
NCO content	21.8±0.3	%	DIN EN ISO 11909
Viscosity at 23℃	3,000±750	mPa · s	DIN EN ISO 3219/A.3
Color value(Hazen)	≤40		DIN EN 1557
Monomeric HDI	<0.15	%	DIN EN ISO 10283
Other data*
Property	Value	Unit of measurement	Method
Viscosity at 25℃	approx.2,500	mPa · s	DIN EN ISO 3219/A.3
Equivalent weight	approx.193
Flash point	approx.228	℃	DIN 22719
Density at 20℃	approx.1.16	g/ml	DIN EN ISO 2811
*These values provide general information and are not part of the product specification.

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