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What is plywood?
- It is commonly known as plywood plywood, natural wood boiled softening, use of wood along the ring spin into large slices (veneer) in general 2.7mm thickness 20mm and above, according to the principle of symmetry, generally consists of three or more layers of a millimeter thick thin veneer, wood fiber layer adjacent to each other in the vertical blank, after drying, imposition, glue, hot pressing, glued into three or more layers (usually 3 - odd layer, 13 layer plate material). High quality product surface is smooth and smooth, without degumming, sand injury, press injury, no obvious color difference, no stains, good size processing accuracy, small thickness deviation, bonding strength 0.7Mpa, moisture content 6 - 14%. Usually used as substrates and panels, they can be used in building, interior decoration, furniture manufacturing, shipbuilding, packaging and other industrial products.Buy Plywood first, look at environmental protection. Depends on whether the release of harmful gases in line with national standards, especially the release of formaldehyde free glue is excessive. For these professional too strong things, most consumers may not clear, and can not be measured, so it is a shortcut to see whether manufacturers have environmental labeling products in china. Because to pass the certification, must be based on quality, environmental protection double standards as the premise.Next, look at the material. The price of different tree species is different. Consumers can choose different kinds of materials according to different demands. At present, the market is full of a large number of low price of Eucalyptus core plywood. In fact, this is the poplar core board made of surface coloring treatment, so the appearance of the board is basically the same, but the quality is very different. In fact, the core board, whether it is component or hardness, toughness, are higher than poplar core board, consumers should carefully identify when buying, so as not to be fooled.s
What is bamboo plywood?
- Bamboo plywood is made of bamboo material as the main structure and filling material! The main uses are: building mould, grouting, car box, box and box bottom board, large mechanical outer packing board, and various places where the board is needed! Because of the high hardness, bending resistance and compressive resistance of bamboo plywood, steel formwork has been replaced in many use areas! Because bamboo is easy to cultivate, quick forest trees, three to five years can cut the row, can replace wood, therefore, the State Forestry Department policy supports the development of wood-based panels with bamboo as the main materials, has replaced the use of wood plates in a lot of places!s
What's the difference between plywood and glue E0E1?
- According to the environmental protection grade, the glue used for plywood can be divided into E0 grade, E1 glue, E2 glue (and unqualified glue which can not reach E2 grade). E0 class is the highest environmental protection level. Plywood made of grade E1 glue can be used directly indoors.High quality urea formaldehyde adhesive / melamine adhesive / phenolic resin can be up to E0 and E1 grades, which can be used directly in the room.s
How long will it take for plywood to be free of formaldehyde?
- Plywood products emit a small amount of formaldehyde. New products produce the most formaldehyde, and the longer they use, the less they taste. But it takes years to evaporate completely.Removal of formaldehyde by ventilation:Through the circulation of indoor air, it can reduce the harmful substances in the indoor air, thus reducing the harm of such substances. In winter, people often close doors and windows, indoor and outdoor air can not flow, not only the content of formaldehyde in indoor air will increase, radon will continue to accumulate, and even reach a very high concentration.s
What's the difference between plywood and fiberboard?
- Fiber board, with slab, wood shavings, branches and other waste materials, crushing, soaking, grinding into pulp, and then by wet molding, drying and other processes.s
What is plywood
- Plywood, also known as multilayer board, is a kind of technology wood. It is made of a relatively thin wooden veneer. All of the adjacent grain veneer are perpendicular to each other, to ensure that the slab has better strength, usually plywood is odd layer, there are three commonly used plywood, plywood etc..s
What is the difference between solid wood composite board and plywood?
- Plywood is only one of many materials for making multilayer solid wood composite flooring. In addition to plywood, multilayer solid wood flooring also needs special paint, finishing panels (usually rare species), backplane and so on. Secondly, multi-layer parquet product in the precision, appearance quality, surface treatment than plywood strict, such as paint, plywood surface sealing process, GB is not required, and pay attention to the multilayer parquet surface coating adhesion and surface abrasion resistance. These differences also lead to the two in the production cost is not quite the same. In general, the manufacturing cost of plywood per square meter is only 10%-20% of the cost of solid wood composite flooring.s
What is the difference between laminated lumber (LVL) and plywood (plywood)?
- LVL is also called "forward" plywood. Generally, the wood fibers of each floor are in the opposite direction. In this case, the consequent forces are relatively large. For structural problems, there are a few layers that will be horizontal, such as the two floor.s