The "color difference" is explained in the sea as: the difference between the two colors. The color contains three characteristics of hue, saturation and brightness, and the chromatic aberration is the difference of the three. There are generally two ways of expressing: one is subjective. The color difference is divided into several grades to make a standard sample card as a relative comparison basis. The other is measured by a colorimeter, and the data given by the manual calculation or the instrument automatically displays the comparison. Internationally, NBS (United States National Bureau of Standards) color difference units are commonly used, and the color difference of an NBS unit is difficult to detect under normal conditions. First, why is there a "color difference"? We can understand the principle of wood color difference from the cut surface of wood. In the natural growth process of trees, due to the influence of climate change and soil conditions, the color and texture of different parts of the same wood are naturally formed. The heartwood is usually dark in color and is located inside the cross-section of the trunk. The heartwood is gradually transformed from the sapwood, while the sapwood is located outside the trunk and is usually light in color. The wood color is formed by the objective factors such as various pigments, resins, gums, tannins and oils in the wood cells; the wood of the same tree species is exposed to the air due to the wet and dry, cross-sectional tree age (heart, sapwood) The time, the decay and the discoloration of the fungal infection and the height of the tree and the site are different, and the color of the material changes. Second, "color difference" is not a quality problem It is unrealistic to consistently demand the natural color difference of solid wood flooring. Solid wood flooring must have chromatic aberration, chromatic aberration is natural, and inevitable, this is determined by natural attributes. Therefore, the state does not require chromatic aberration when formulating relevant standards. Therefore, it is normal to have a slight color difference during installation. Third, how to solve the "color difference" problem In order to avoid the influence of the chromatic aberration on the overall aesthetics of the living room, we suggest that consumers should try to pick the tree species with smaller color difference when purchasing the floor. When paving, they should be on the spot and select the professional paving team. Paving, gradual transition during the paving process, laying the floor close to the color, the rest can be laid under the bed, closet and sofa to reduce the visual difference. [WeChat public number " Jiuzheng floor network ", you can view the popular article "The icon and the nature personnel Hefei exhibition fight, suspected nature personnel use "artifacts" to interfere with the iconic activity is caught now!", want to peer exchange, please Join the "Jiuzheng Floor Network Exchange Group"] Dear! Want to know the topic of this month's floor? For related content, please click: Industry Torture: Who stole the conscience of inferior flooring merchants? Flexible lift gate is a flexible soft curtain door, inside and outside the two curtains, curtains used between the aluminum beams connected with a vertically movable rail, the roof beams have levels not in the same straight line and hangar large plants in particular be applicable. Flexible lift door installation does not take up interior space in the hole inside. When the fiest move to open the door, and finally superimposed over the hole. Off event curtain rail first and then fall down until it is completely closed. Flexible Gate,Flexible Pvc Aircraft Folding Up Door,Steel Structure Fabric Flexiile Door,Exterior Automatic Flexible Door Shenzhen Hongfa Automatic Door Co., Ltd. , https://www.hfgaragedoor.com