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Poly B


Product Description

The honey-colored Poly B, an isocyanate, is mixed with Poly A, a dark-colored polyol, to create a polyurethane foam.  This is a chemical reaction that produces a change in color and state, emits an odor, and releases heat.  The two liquids produce a colloidal foam that expands 15-20 times its original volume.

LL Demos & Labs: Foam Gnomes

Click here to download the Poly B MSDS

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