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Sand blasting was proposed as a surface modification approach on the small diameter and thin culm wall bamboo species of Neosinocalamus affinis for the fabrication of laminated bamboo composites. The results revealed that sand blasting modification could almost wipe off the wax and silicons deposited on the green and yellow surfaces by removing or damaging the suberized and siliceous cells, pith membrane, and compact arranged sclereid, resulting in the uncovering of the porous structure. Meanwhile, the surface roughness was also increased by the sand blasting modification, which provided appropriate surface characteristics for resin permeability. The weight loss after sand blasting modification was merely 4.3%, and the internal structure was mostly preserved. Average modulus of rupture, modulus of elasticity, and compressive strength of the laminated bamboo composites fabricated from …