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The ratio of LS as a char forming agent in IFR formulations for RPU foams.
| Sample | APP (g) | MEL (g) | LS (g) | APP:MEL:LS Ratio | Density (kg/m3) |
|---|---|---|---|---|---|
| RPU/LS0.5 | 10.2 | 3.4 | 1.7 | 3:1:0.5 | 57.3 |
| RPU/LS1 | 10.2 | 3.4 | 3.4 | 3:1:1 | 57.5 |
| RPU/LS1.5 | 10.2 | 3.4 | 5.1 | 3:1:1.5 | 57.6 |
| RPU/LS2 | 10.2 | 3.4 | 6.8 | 3:1:2 | 57.8 |
| RPU/LS3 | 10.2 | 3.4 | 10.2 | 3:1:3 | 58.0 |
| RPU/LS4 | 10.2 | 3.4 | 13.6 | 3:1:4 | 58.2 |
