Baheramsyah, A., Wardhana, .E.M. and Pradani, N.D.F. 2025. Flashpoint and Flame Spread Analysis of Material Coconut Fiber (Cocus Nucifera) Using Chemical Treatment of Alkali NaOH as a Sound Absorber Material in Ship. International Journal of Marine Engineering Innovation and Research. 6, 1 (Jul. 2025), 36–44. DOI:https://doi.org/10.12962/j25481479.v6i1.5855.