Polyisocyanate Hardener Curing Agent |

Polyisocyanate Hardener Curing Agent

Short Description:

Product Description

Desmodur N 75 MPA

Solubility /thinnability Desmodur N 75 MPA can be thinned with esters,ketones and aromatic hydrocarbona such as ethyl acetate,butyl acetate ,methoxypropylacetate,acetone,methyl ethyl ketone,methyl isobutyl ketone,cyclohexanone,toluene,xylene,solvent naphtha 100 and mixtures thereof.Generally speaking ,it has good compatibility with the solvents listed .However,the solutions formed must be tested for their storage stability.Only PU grade solvents should be used(max.0.05% water ,absence of reactive groups such as hydroxyl or amino groups ).Aliphatic hydrocarbons are unsuitable as solvents.

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Physical Property

characterization	Aliphatic Polyisocyanate (HDI biuret)
NCO content	16.5±0.3%
Non-volatile content	75±1%
Viscosity at 23 ℃	250±75 mPa.s
Color value (Hazen)	≤40
Monomeric HDI	<0.38%
Viscosity at 25℃	Approx.230mPa.s
Equivalent weight	Approx.255
Flash point	Approx.54℃
Density at 20℃	Approx.1.07g/ml