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Figure 5 | SpringerPlus

Figure 5

From: Natural weathering studies of oil palm trunk lumber (OPTL) green polymer composites enhanced with oil palm shell (OPS) nanoparticles

Figure 5

SEM micrographs of OPTL at different weathering conditions. (a) dried OPTL before weathering, (b) dried OPTL after 6 months weathering, (c) dried OPTL after 12 months weathering, (d) PF-impregnated OPTL before weathering, (e) PF-impregnated OPTL after 6 months weathering, and (f) PF-impregnated OPTL after 12 months weathering (500× magnification).

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