Correlation between Structure and Dielectric Breakdown in LDPE/HDPE/Clay Nanocomposites

Table 2

Surface roughness data of PE and its nanocomposites.

Nanocomposites	𝑅𝑎 (average surface roughness) (nm)	𝑅𝑞 (root mean squared) (nm)
PE	11.0	16.3
PE/O-MMT	13.5	25.4
PE/O-MMT/PE-MA	11.7	18.0