Desmodur N3900
Solubility/thinnability Desmodur® N 3900 is compatible with the following solvents
ethyl acetate, butyl acetate,1-methoxypropylacetate-2,
acetone, methyl ethyl ketone, methyl isobutylketone,
cyclohexanone, toluene, xylene,solvent naphtha® 100and
mixtures thereof.
Aliphatic hydrocarbons are not suitable as solvents.
Desmodur® N 3900 should not be thinned to below asolids
content of 40 % by wt. Prolonged storage of asolution
with a lower solids content may
result in turbidity and sedimentation.
Compatibility Desmodur® N 3900 can be mixed with the followingDesmodur
and Desmophen® products:Desmodur® N 75, N 100, N3200,
N 3300, N 3390, N 3400, N 3600 and Z 4470;
most polyester-based Desmophen® products such asDesmophen
670,680, VP LS 2971, VP LS 2089 and VP LS 2107;Desmophen
A products (acrylates).
It is incompatible with Desmophen® 650 and 651.
Properties/Applications Desmodur® N 3900 is used to formulatehigh-solids
systems for automotiverefinishing,transportation
coating and plastics coating.
Storage - Storage in original sealed Bayer
MaterialScience container.
- Recommended storage temperature: 0 - 30 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitiveto
moisture. Storage at higher temperatures will result
in increase of color and viscosity. Storage at
significant lower temperatures will result in
solidification. This solidification is reversible
by briefly heating the product withoutadversely
affecting the of the product.
