1 , see if there is any obvious surface Gel Rouge,6-Color Blush Paper Box,Cosmetic Blush Powder,Blusher Air Bb Powder Guangzhou Shishi Daily Chemical Co.,Ltd. , https://www.cosmeticok.com
The surface of the decorative board should be smooth , free of burrs and cutting knife marks , no penetration phenomenon and surface contamination ( such as local blackening and yellowing ) . Try to select the surface without cracks, cracks, knots, skin, resin. For the capsule and the gum road, the natural warpage of the whole board should be as small as possible to avoid the sand penetration phenomenon revealed by the substrate due to improper operation of the sanding process.
2 , recognize the difference between veneer veneer and natural wood veneer veneer
The texture of the former is basically straight texture, the texture pattern has rules ; the latter is a natural wood pattern, and the natural variability of the texture pattern is relatively large and irregular.
3 , appearance inspection
The appearance of the decorative board should have a good aesthetic appearance, the material should be fine and even, the color is clear, the wood grain is beautiful, the texture of the matching board and the parquet should be arranged according to a certain rule, the wood color is similar, and the seam is almost parallel to the edge of the board.
4 , the rubber layer structure is stable, no open glue phenomenon
It should be noted that there is no bulging or delamination between the surface veneer and the substrate and between the layers inside the substrate.
5 , choose a low formaldehyde emission of wood
Do not choose a decorative panel with a pungent taste. Because the greater the odor, the higher the amount of formaldehyde released, the more harmful the pollution, the greater the harm.
6 , the knife method to check the bonding strength
This method is the most intuitive way to check the bond strength. Use a sharp flat blade to pry open along the glue layer. If the glue layer is broken and the wood is not damaged, the glue strength is poor.