How to test the quality of wallpaper? The wallpaper must meet the following requirements:
1, wallpaper paste firmly, the same color surface, no air bubbles, empty drums, cracks, Alice, wrinkles and stains, no squinting glue marks.
2, the surface is smooth, no ripples. The wallpaper is closely linked to the hanging mirror, the veneer, and the baseboard, with no gaps. The yin and yang corners are vertical, with sharp corners, smooth glazing at the inside of the female corner, and no seams at the outside corners.
3, each piece of stitching should be horizontal and vertical, stitching pattern, pattern fit, not from the seam, not overlapping, 1.5 meters away from the wall at the front, no significant patchwork.
4, the surface is smooth, no ripples. The wallpaper is closely linked to the hanging mirror, the veneer, and the baseboard, with no gaps.
5, wallpaper edge straight and tidy, no paper hair, flying thorns.
6, there must be missing and delamination defects.
Floor purchase construction acceptance wallpaper
It includes many materials due to manufacturing industry related many fields. Many basic materials belong to manufacturing industry.
It is identified by purity and granule/block size, purity is the main identified method. It is used in different products as per its size.
It is basic material for many fields, such as pharma, chemical, dying, washing industry, and manufacture industry. Some are powder, some granule, some flake, some crystalline.
Raw Material Of Industry
Raw Material Of Industry,Raw Material Of Paper-Made,Raw Material For Paper
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