ABSTRACT
Figure 156 STC rating versus lead septa areal density plot for lead-mat-based layer composites [249].
Figure 157 STC rating versus lead septa areal density plot for lead-vinyl-sheetbased layer composites [249].
Figure 156 STC rating versus lead septa areal density plot for lead-mat-based layer composites [249].
Figure 157 STC rating versus lead septa areal density plot for lead-vinyl-sheetbased layer composites [249].