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1 See the price of low and high gypsum line products are 1/3 to 1/2 cheaper. Although this low price is attractive to users, it often reveals defects (such as yellowing and cracks) after installation and use, causing regret. 
2 Look at the product Thickness gypsum line products must have a corresponding thickness in order to ensure the best degree of affinity between the molecules, thus ensuring a certain period of use and complete and safe in the use period. If the gypsum line decoration product is too thin, it will not only have a short service life, but also affect safety. 
3 Look at the depth of the pattern The general pattern of the plaster line decoration product pattern should be 10mm or more, and the production of fine. In this way, after the installation is completed, after the surface brushing treatment, can still maintain a three-dimensional sense, reflecting the decorative effect. If the decorative pattern of plaster line products is shallow, only about 5 to 9mm, the effect will be much worse. 
4 see the smooth surface Because of the decorative pattern of the plaster line decoration products, when the brush is installed, it can no longer be frosted and other treatment, so the surface finish is more demanding. 
5 percussion can use the finger to tap the plaster line gently, if the sound is boring mostly poor plaster line, if the sound of the tap is brittle, and even a ceramic-like sound, then the quality of the plaster line is good Authentic. Check the elasticity of the gypsum board and tap it with your hand to make a very solid sound. The gypsum board is strong and durable. A very empty sound indicates that there is empty drum inside the board and the texture is not good. The amount of hand rub can also be used to measure the quality of the plasterboard. Understand this knowledge, I believe that you have a preliminary understanding of the plaster line, that when it comes to purchase, remember to use it to learn.
Inconspicuous plaster line, there are also universities to buy
In home decoration, the selection of plaster line materials will have a certain degree of impact on the effect of house decoration. How to buy plaster line? The following Xiao Bian will bring you the gypsum line purchase points for your reference when purchasing.