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8. Surface resistance to cigarette burning. 9. Surface impact resistance (mm): The smaller the value, indicating that the product the stronger the impact resistance. How to measure the density of the floor? Inside the floor, the floor quality is not in the thickness of the thickness. Take a few pieces of the rules of the floor to weigh the sample,
with the scale of the floor of the sample length and width, and then multiplied by the thickness of the floor sample is the volume, divided by the volume is the density of this product, less than 0.85g ~ 0.9 G / cm3 range of products is usually unreliable performance, if a few pieces of product density is inconsistent (the greater the difference, the more unstable product performance),
consumers must carefully choose to avoid pavement after the quality problems. Warm tips flooring accessories can not be ignored As the saying goes, three points to install seven points, a word, enough to see the importance of floor installation. If you choose some small brand floor, you will find that these products are usually not only delivery,
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