Preparation and Sound Insulation Performance of Superfine Metal Powder/Nitrile-Butadiene Rubber-Polyvinyl Chloride Microcellular Foaming Material

Figure 5

Pore diameter distribution of SFM/NBR-PVC microcellular foaming materials: (a) 0wt%, (b) 10 wt%, (c) 20 wt%, (d) 30 wt%, (e) 40wt%.

(a)

(b)

(c)

(d)

(e)