1200PP
Polyurethane Prepolymer
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Product Description
1200PP is a polyfunctional, medium molecular
weight, MDI based polyurethane prepolymer with terminal
isocyanate groups.
Uses
1200PP shows a particular advantage when used
as an adhesive for wood or similar substrates, other
applications include primers of various coating systems
and sealers for other porous substrates. Isothane 1200PP
is used in a wide variety of applications, mainly in
one component products.
Storage, Handling And Personal Protection
The recommendations in our Safety Data Sheet for this
product must be followed at all times. More general
information is included in our publication “A Guide
to the Safe Handling of Polyurethane Resins”.
Characteristics
As supplied the product has the following typical characteristics:
-
| Appearance |
Brown Coloured Liquid |
| Viscosity cps @ 25°C |
600-1000 |
| Density @ 20°C |
1.12 ± 0.02 |
| NCO Content % |
13 - 14 |
| Solids Content % |
84 - 86 |
| Flash Point ° C (Abel Closed Cup) |
> 80 |
| Vapour Density (Air = 1) |
> 1 |
| Evaporation Rate(BuAc = 1) |
< 0.1 |
| Solubility |
Good in most common PU grade solvents* |
*Polyurethane grade solvents by definition must have
a low content of active hydrogens, therefore alcohols
and amines etc are not suitable along with other solvents
containing > 0.05% water.
Notes.
The above system is also available on special order
in different solvents and in varying
concentrations.
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