Wooden showcase discoloration causes 1. Photochemical degradation caused by wood fade, discoloration of many factors, UV light and visible light is the most important Yulin wooden showcase, wooden showcase Xianyang timber placed under the sun, its surface will be rapidly chemical degradation, leaving the wood surface color changes. Wooden showcase causing discoloration photochromic factors affecting a chemical reaction temperatures can accelerate progress temperature. Therefore, advances in temperature can make light degradation and oxidation reaction is accelerated. . Chemicals: wood surface cause a color change chemical agents mainly are: ① a transition metal (such as iron ions, etc.) and an oxidizing agent (e.g. KmnO4 etc.); ② acid, base or other chemical additives during processing. Discoloration of the chemical composition: wood color change produced the main chemical components are: tannins, flavonoids and phenolic compounds and lignin. (2) Chemicals discoloration mechanism. Wooden showcase Xi'an, Shaanxi _ _ Wooden Showcase Showcase Boha provided by Shaanxi Boha Showcase Productions Ltd. Shaanxi Boha Showcase Productions Ltd (www.xabhzg.com/) strong, credible, in Xi'an equipment exhibition industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Shaanxi Boha Showcase and you hand into the brilliant, for a better future!