Demand

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The isocyanate demand of a formulation consisting of a polyol blend can be easily calculated with the JavaScript program. 

Simple calculation

Input:

Polyol 1 Charge: Polyol 1 OH #:
Polyol 2 Charge: Polyol 2 OH #:
Polyol 3 Charge: Polyol 3 OH #:
Polyol 4 Charge: Polyol 4 OH #:
Isocyanate, NCO %:
Isocyanate index:

INDEX 100 NCO to OH 1/1

Output:
Isocyanate for polyol:

Free Isocyanate % :

Hard Segment % :
Chain extender

Last edited on:

November 14, 2006

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