Research Article
Preparation and Sound Insulation Performance of Superfine Metal Powder/Nitrile-Butadiene Rubber-Polyvinyl Chloride Microcellular Foaming Material
Table 2
Surface density, average diameter, and foaming capacity of SFM/NBR-PVC microcellular foaming materials.
| Content of SFM (wt%) | Thickness (cm) | Surface density (g⋅cm−2) | Average diameter ±Standard deviation (um) | foaming capacity (%) |
| 0 | 0.6 | 0.156 | 70.35±19.51 | 76.5 | 10 | 0.6 | 0.228 | 64.03±17.14 | 73.6 | 20 | 0.6 | 0.276 | 48.75±12.19 | 61.7 | 30 | 0.6 | 0.360 | 28.10±5.23 | 52.8 | 40 | 0.6 | 0.336 | 41.59±7.47 | 62.7 |
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