Blockboard, commonly known as large core board, is a kind of board composed of core board, two layers of solid wood veneer and two layers of solid wood panel, which is suitable for home decoration.
And MDF and particleboard are more suitable for furniture field.
Compared with density board and particleboard, joinery board has the advantages of smooth appearance, convenient use, better moisture-proof performance and better nail holding power.
After the decorative board or thin density board is pasted on the surface, it can be varnished or mixed with oil.
However, there are obvious shortcomings of the large core board, such as insufficient dimensional accuracy and stability of the board, low threshold of enterprises producing large core boards and uneven quality, which leads to the confusion of the price of large core boards, with the unit price ranging from 50 yuan/Span to 140 yuan/Zhang.
Poplar is used as the raw material of plywood in the north, and Chinese fir is used as the raw material in the south.
* * * Five-layer structure, the middle layer is spliced with wood squares, the upper and lower layers are poplar veneers, and the outermost two layers are panels.
There are three, five and nine.
, 12mm and other specifications, the quality is uneven, and brand home improvement companies have used pine boards instead of plywood.
Oriented particleboard is commonly known as European pine board or OSB particleboard.
Wood raw materials are grown into 40mm, 70mm, 5mm and 20mm wide and 0.3mm and 0.7mm thick by special equipment. After drying, sizing and special equipment, the surface layer and core layer are laid crosswise and directionally, and then hot-pressed into artificial board.
This kind of board can be used as the base material of ceiling, cabinet and so on, and can also be directly painted with varnish.
If you need to choose your own plate, you can choose a good plate by looking, smelling and weighing it.
The flat end face of the joinery board shows that the material is good and smells of formaldehyde.
The core material of particleboard should be clean, and the closer the color is to white, the less bark, miscellaneous wood or recycled materials are sandwiched in the middle; Particles should not be too fine; There is no smell of formaldehyde, but it smells of natural wood.
Good oriented structure particleboard should be pine chips, neatly paved, without big gaps, and without the irritating smell of formaldehyde and natural wood.
If consumers go to the market by themselves, the quality of products with high prices is relatively good.
"Look at the appearance, joinery board and pine board can be diagonally adjusted. If there is no creaking sound, the quality will be better.
"National Owner Decoration Exchange Group 573032 185"