Fake trademark identification - Daxin board
Blockboard, also known as the big core board, is a kind of mechanical board made by sticking small wooden strips through mechanical processing, and then bonding the surface with single-layer plywood. The commonly used thickness is 18mm.16mm.15mm. According to the material of the wood core, it is divided into poplar core blockboard (white core), fir core blockboard, willow core blockboard (red heart), pine core blockboard, etc.; Divided into finger joints and connected. The blockboard has a moisture content of 14% or less.
>>> Related Links: Artificial Board Daxinban related knowledge
Since Daxinban is widely used in home decorating, some fake counterfeit boards have appeared on the market. Consumers may purchase counterfeit goods if they do not pay attention when they purchase.
Daxinban, which will bring serious hidden dangers to the quality of home decoration, here we will introduce some simple identification methods when purchasing Daxin board:
Eye sight
High-quality plate: The entire blockboard is flat, smooth and shiny
Inferior plate: The entire blockboard is sanded, dark and dark
Feel
High-quality plate: The whole blockboard feels smooth, without unevenness, heavy weight
Inferior plate: The blockboard has a rough feel, uneven and light weight.
3. Listening
High-quality plate: gently vibrate without a click when lifted by hand
Inferior plates: Vibrate with a "click" when lifted by hand
4. Intrinsic quality
High-quality panels: No gaps, seamless or gaps in national standards
Inferior plate: There is a larger leak in the hole or gap
The above four points are some of the basic identification methods when purchasing blockboards, and other things that should be noted are: General blockboards are produced using structural symmetry principles to ensure their surface flatness. If consumers cover themselves, they should follow this principle, otherwise they may cause board warpage and even cracks and tears in the adhesive layer. All sheets should be stored dry, ventilated, and protected from direct sunlight.
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The East-West glass slide is a glass slide or quartz slide that is used to place a glass slide or quartz slide when it is observed under a microscope. During production, a cell or a sample containing a certain tissue is randomly placed on the slide glass, and a cover slip is placed on it for observation a similar material that produces a phase difference.
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