Ebony certification in several South Asian countries. Ebony Ebony is a dense black hardwood, most commonly yielded by several different species in the genus "Diospyros", which also contains the persimmons. Ebony is dense enough to sink in water. It is finely-textured and has a very smooth finish when polished, making it valuable as an ornamental wood. The word "ebony" comes from the Ancient Egyptian "hbny", through the Ancient Greek ("ébenos"), into Latin and Middle English. Species of ebony include "Diospyros ebenum" (Ceylon ebony), native to southern India and Sri Lanka; "Diospyros crassiflora" (Gabon ebony), native to western Africa; and "Diospyros celebica"
Hybrid wood Hybrid wood Hybrid wood or wood hybrid systems (WHS) is a multilayer composite material, composed on the surface of a skin made of composite wood (WPC) adhering to an underneath structural core, in general aluminum. Invented in Japan in 2008, this technological evolution is based on wood composite technology which was conceived in 1972 by Sadao Nishibori and patented in 1983 to substitute threatened exotic wood species. WHS are not fibre-reinforced plastic (FRP). In truth, speaking of hybrid wood profiles only makes sense when the outer layer – the composite wood – and the core – aluminum – are adhering