Characterization and Assessment of PEEK/Silicon Dioxide Composite

Table 2

Mean values and standard deviation for surface roughness and contact angle data of pure PEEK and SiO₂/PEEK nanocomposites.

Groups	Surface roughness (nm)		Contact angle
	Mean	std.	Mean	std.
PEEK	1.23	0.01	71.01	4.57
SiO2/PEEK	0.66	0.01	81.78	0.84
Sig (2-tailed)	≤ 0.001		≤ 0.001