Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Basic formulation of the flexible polyether foam.
| Component | Pbw a |
|---|---|
| Reference polyol (Voranol 3322) | 70–100 |
| Repolyol | 0–30 |
| Water | 4.50 |
| Niax Silicone L-895 | 1.00 |
| Niax Stannous Octoate | 0.16 |
| Amine Catalyst(s) b | 0.06–0.30 |
| Isocyanate index c (TDI 80/20) | 108 |
Notes: a pbw, parts by weight. b The catalyst amount was optimized for each set of experiments, to enable similar reactivity profile. c The amount of isocyanate used in the reaction, in relation to the theoretical equivalent amount.
