Preparation and Sound Insulation Performance of Superfine Metal Powder/Nitrile-Butadiene Rubber-Polyvinyl Chloride Microcellular Foaming Material
Table 1
Formulations of SFM/NBR-PVC microcellular foaming materials.
No.
NBR
PVC
DOP
SFM
Stearic acid
CZ
Sublimed sulfur
AC
1#
70
30
30
0
1.5
1.4
2
10
2#
70
30
30
10
1.5
1.4
2
10
3#
70
30
30
20
1.5
1.4
2
10
4#
70
30
30
30
1.5
1.4
2
10
5#
70
30
30
40
1.5
1.4
2
10
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