The most critical test indicators for laminate flooring are four: formaldehyde release, surface wear resistance, water absorption thickness expansion and floor geometry.
First, the determination of formaldehyde emission
Choose a large-mouth bottle with good sealing performance, saw a sample of several alternative brands of the same size, put them into different bottles, seal them for 24 hours, open the bottles, and smell them one by one, you will compare which brand of floor formaldehyde The release is small. If you are afraid of inaccuracy, you can have two people, have heard and listened.
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Second, the surface wear resistance
With the 180th sandpaper (the thickness of the sandpaper, the problem is not big), the same person, using the same strength and method, continuously rubs the same place on the floor back and forth 50 times. Floors without Al2O3 are likely to be severely damaged. 46 grams of wear-resistant paper flooring, the surface will not have serious scratches; 38 grams or less of wear-resistant paper, the surface will have different degrees of wear.
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Third, the water absorption thickness expansion rate
An alternative template for sawing size approximation, numbered, and placed in boiling water for 5-8 minutes. Take it out and compare the degree of expansion of their edges. It is best to use a micrometer to measure the thickness of the sample point of the sample and mark it. After soaking in boiling water, take out and measure the thickness, you can calculate the relative water absorption thickness expansion ratio of the floor after soaking in boiling water.
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Fourth, the geometric dimensions of the floor
This comparison test requires a comparison of the entire board:
1. Put the two floors together and touch the height difference of the joints by hand; in the model of selling the floor, you can also consciously touch and compare. The difference between brands should be obvious.
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2. Next, look at the rigor of the splicing gap. A little bit of the floor has a side bend, and the seam will not be very tight. This reflects the processing accuracy of the floor.
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