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Buy bamboo flooring to see the details --- go green to yellow
The initial treatment of bamboo surfaces involves removing the outer layers, known as "zhuqing" and "zhuyellow," leaving only the central part with coarse fibers. This middle section is characterized by uneven density and coarser fiber structure, which leads to different shrinkage rates under similar humidity conditions, making it more prone to cracking. Additionally, "zhuyellow" refers to the inner wall of the bamboo culm, which contains higher levels of sugars and other nutrients, increasing its susceptibility to mold.
Process: Bamboo flooring with a thickness of 17mm offers superior bending strength compared to wood, ensuring adequate resistance to compression and impact, while also providing a comfortable walking feel. Some manufacturers, in an attempt to meet consumer preferences for thicker products, may produce bamboo flooring up to 18mm in thickness. However, this often results in weaker bonding strength and a higher risk of cracking. The quality of bamboo flooring depends on the precision of the process—both the green and yellow parts of the bamboo are planed coarsely and then finely to ensure tight adhesion. Thickness and width tolerances must be strictly controlled within 0.1mm to maintain consistency and durability.
Identification: It's important to note that not all bamboo products are fully made from bamboo. If the surface appears too yellow or lacks the natural grain, it might be a sign of inferior quality. High-quality bamboo flooring typically features a three-layer structure, with the top layer composed of good-quality bamboo, while the middle and back layers should not show signs of poor craftsmanship. To check the authenticity, turn the floor over and inspect the underside for visible bamboo fibers, as genuine products will have them.