Figure 3
From: Synergistic effects of tung oil and heat treatment on physicochemical properties of bamboo materials
(a) Images of the bamboo samples after heat treatment in tung oil and Sudan black solution in transverse section, (a1) surface, (a2) removed 1 mm from surface, (a3) removed 5 mm from surface, (a4) removed 10 mm from surface. (b) Images of bamboo in radial section, (b1) surface, (b2) removed 0.5 mm from surface, (b3) removed 1.25 mm from surface, (b4) removed 2.5 mm from surface.
