Thermal Stability and Flame Resistance of the Coextruded Wood-Plastic Composites Containing Talc-Filled Plastic Shells

Figure 6

Photographs of the char residues on the samples subjected to the cone calorimetry: (a) core, (b) 20 wt% talc-filled shell layer, (c) core, and (d) core-shell structured composites with a HDPE shell.

(a)

(b)

(c)

(d)