Rheological Behavior of Renewable Polyethylene (HDPE) Composites and Sponge Gourd (Luffa cylindrica) Residue

Figure 7

SEM micrographs of fracture surfaces for the following samples: sponge gourd residue with particle size <0.15 mm (a), renewable HDPE (b), and renewable HDPE/cellulosic filler composites: (c) 90/10%wt/wt, (d) 80/20%wt/wt, (e) 70/30%wt/wt, and (f) 60/40%wt/wt.

(a)

(b)

(c)

(d)

(e)

(f)