Isoexter 4591 by COIM is aromatic terephthalic acid-based polyester polyol. It is recommended for high- and medium-index polyisocyanurate systems or as co-polyol in polyurethane systems. Isoexter 4591 offers a maximized cost to performance ratio. It shows good compatibility with polyethers, additives and blowers.
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Isoexter 4591 properties
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| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Hydroxyl Value | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |