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Effect of crosslinking agent content on the cellular structure of SRF.
| Cellular Structures | a | b | c | d | e |
|---|---|---|---|---|---|
| Cell average size (μm) | 143 | 236 | 237 | 291 | 229 |
| Cell density (cells/cm3) | 5.41 × 109 | 1.69 × 109 | 2.29 × 109 | 1.26 × 109 | 3.03 × 109 |
| Foaming density (g/cm3) | 0.765 | 0.637 | 0.567 | 0.494 | 0.437 |
| Porosity (%) | 47 | 56 | 61 | 66 | 70 |
