Rose flower concrete is a perfumery material extracted from the fresh rose flower containing all the hydrocarbon soluble matter in it. The odorous principles present in rose flower are isolated by extraction with volatile solvent (n-Hexane). The principle of solvent extraction follows: charging of fresh flower in to specially constructed extractor & extracted systematically at a specific temperature with purified organic solvent (n-Hexane). Then solvent is fed to evaporator & concentrated at low temperature. After the solvent is completely driven off, the concentrated flower oil is obtained known as concrete. Rose concrete is a Vaseline like mass having a color of orange red to dark brown. USES: Rose Flower concrete is a product used for obtaining absolute and as a component in perfumery & cosmetic products.