Characterization of Alkaline Treatment and Fiber Content on the Physical, Thermal, and Mechanical Properties of Ground Coffee Waste/Oxobiodegradable HDPE Biocomposites

Figure 6

Effect of treatment time on (a) tensile strength, (b) tensile modulus, (c) specific tensile strength, and (d) specific tensile modulus of composite type C.

(a)

(b)

(c)

(d)