Hope That the company could stick to the enterprise spirit ofwel Quality, Efficiency, Innovation and Integrity, it will be better and better in the future. Middel color will be restored back to white after organic binder combustion. Product should be heat treated first before use in a smoke-prohibitive environment. Great https://vuf.minagricultura.gov.co/Lists/Informacin%20Servicios%20Web/DispForm.aspx?ID=9641532