1. After the aluminum silicate masonry is finished, stop the surface finishing once. The uneven parts must be smoothed with a pressing plate. The ceramic fiber board tiles must be cut and trimmed at the large gaps to make the surface smooth and tight.

2. The thickness of ceramic fiber board brick lining must meet the request.

3. After measuring the length and width of the thickness, mark the nine measurement points according to the position shown in the figure, and place the disk of the needle-type thickness gauge on the sample quietly, align the hole of the disk with the measurement point, and place the cursor The tip of the needle is facing down, and carefully insert it into the hole of the disc. When the tip of the needle touches the sample, gently press the cursor to make the tip of the needle touch the glass plate after the sample and read the thickness.

4. The Al2O3 content of ceramic fiber board tiles is not less than 45%.

5. The test row should be stopped before the paving of ceramic fiber board tiles, the separation layer should be solid and the gaps are staggered.

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