To overcome these problems, first the fibers were
chemically treated with sodium hydroxide and silane. The
tensile and flexural properties of chemically (alkali and
silane) modified Tamarind fiber reinforced epoxy
composites, as a function of fiber loading are presented in
Table 1 and 2 the corresponding line graphs shown in Fig. 1
and 2.The tensile and flexural of the alkali treated fiber
composites were found to be higher than those for the
matrix and untreated fiber composites. Due to the alkali
treatment can remove hemicellulose and surface (wax and
pectin) substances create a rough surface topography and
also alkali treatment leads to fiber fibrillation, i.e. breaking
down the fiber bundle into smaller fibers