What is the concept of plywood?
The plywood is made of three or more layers of solid wood veneer or thin plate adhesive. The plywood is divided into thickness: three plywood, five plywood, nine plywood, twelve plywood, fifteen plywood, eighteen Sheet.The specifications of the sheet are 2440mm long and 1220mm wide. The thickness of the sheet of different specifications is different, but it is usually a multiple of 3.
2. What are the advantages of plywood?
(1) Raw materials are made of solid wood
Solid wood multi-layer board, the raw materials are all made of solid wood, mainly with small diameter materials.
(2) dimensional stability
Solid wood multi-layer boards can improve the defects of wood in natural growth conditions and improve dimensional stability.
(3) Not easy to deform, no cracking
The solid wood multi-layer board is made of high-quality precious wood and then made by high temperature and high pressure. It has the characteristics of not easy to deform, no cracking, etc. It solves two major defects of deformation and cracking of solid wood panels from the aspect of internal stress.
(4) High strength and good flatness
The production process and raw material selection of solid wood multi-layer board are determined by its unique quality. It is made by several processes such as cold pressing, hot pressing and sanding, which ensures the high strength, good grip strength and high flatness.
(5) Easy to process, easy to produce
The solid wood multi-layer board is precise in thickness and close to the solid wood. It has no special requirements for processing machinery, processing saw blades, processing technology, etc. It is easy to process and easy to form.
(6) Good quality, high price ratio
The solid wood multi-layer board has good strength, good toughness, and is not easy to be deformed and cracked, and the cost performance is very high.
3. Where is the application of plywood?
Plywood is mainly used for various wood products such as the bottom plate of decorative panels and the backboard of panel furniture. Commonly used are multi-layer boards such as plywood . Multi-layer boards can improve wood utilization and are a major way to save wood. It can also be used for aircraft, ships, trains, automobiles, construction and packaging boxes.
4, How to choose plywood?
When selecting plywood, first of all, mainly look at its formaldehyde emission and bonding strength. If the gluing strength of the plywood is not good, it is easy to fall apart. Second, pay attention to the nominal thickness of the plywood matches the actual thickness. Pay attention to the following points when choosing plywood:
1 、Plywood has the difference between front and back. When selected, the plywood must be clear in wood grain, bright, clean and smooth.
2 、Plywood is not allowed to be damaged, bruised, bruised, and smashed.
3 、The glue plate is not allowed to be degummed.
4 、Some plywood is made by sticking two veneers of different textures together, so it is necessary to pay attention to the sheet joints in the selection, there should be no unevenness.
5、When selecting plywood, you should pay attention to the selection of non-dispersed plywood. If the sound is crisp when the hands are knocked on all parts of the plywood, the quality is proven to be good. If the sound is dull, it means that the plywood has been scattered.
I would like to let you know more about the major uses of the plywood. I hope this will help everyone,please feel free to click on www.yspanel.com.to discover our entire product.
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