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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, leaving only the central part with coarser fibers. This middle section, known as "Zhuqing," has uneven density and coarse fibers, which can lead to different shrinkage rates under similar humidity conditions, making it more prone to cracking. Additionally, the yellowed part of the bamboo, which is the inner wall of the bamboo tube, contains higher levels of sugars, increasing the risk of mold growth.
In terms of processing, 17mm thick bamboo flooring is often favored for its superior bending, compressive, and impact strength compared to wood, offering a comfortable feel underfoot. However, some manufacturers, in an attempt to appeal to consumer preferences for thicker products, produce bamboo flooring up to 18mm in thickness without proper adhesion techniques. These products may not be fully green or yellowed, and instead are glued together using bamboo glue, which can result in poor bonding and increased likelihood of cracks over time.
To ensure quality, the bamboo strips on both sides of the green and yellow sections are planed coarsely and then finely to achieve tight gluing. Thickness and width tolerances must be strictly controlled within 0.1mm to maintain structural integrity and appearance.
When identifying genuine bamboo flooring, it's important to note that if the surface isn't fully made of bamboo, side pressure plates cannot be used. Therefore, focus on examining the pressure plate: a true three-layer structure should have a high-quality top layer, while cheaper alternatives often use good bamboo on the surface but have substandard materials in the middle and back layers. Flipping the floor over can help check for any signs of real bamboo inside, ensuring authenticity and long-term durability.