Alkali treatment of natural fibers is one of the chemical treatments used to increase the exposed cellulose content through the removal of hemicellulose and lignin on the fiber surface. This study aims to investigate the effect of alkali treatment on the physical and mechanical properties of lantung fibers. The materials used in this research consist of: lantung fiber (Artocarpus elas... https://safeersappliancers.shop/product-category/integrated-fridge-freezers/