This paper presents results of a study on the mechanical characteristics of impregnated Jabon wood (Anthocephalus cadamba) using Merbau extractives (ME) and two types of polymerised Merbau extractives (PME). i. e PME22 and PME33. A set of tests on hardness. https://ashleyshomestores.shop/product-category/king-metal-hdbd-ftbd-rails/