I. Blockboard
1. Concept: Blockboard (commonly known as Daxinban, woodworking board) is a plywood with a solid wood core. Its vertical (differentiated by core plate) bending pressure is bad, but the transverse bending strength is higher. Most of the current market is solid, rubberized, double-sided sanding, five-storey blockboard, size specifications for the 1220 mm × 2440mm.
2. Characteristics: The blockboard has good grip strength, high strength, strong quality, sound absorption, heat insulation and other characteristics, and the moisture content is not high, between 10% -13%, processing is simple, the most widely used.
Blockboards are more stable than solid wood panels, but they are afraid of moisture. Construction should be avoided in kitchens and bathrooms.
The blockboard processing technology is divided into two types, spelling and hand-punching. The manual spelling involves artificially inserting the wooden bar into the plywood. The wooden bar is subjected to poor extrusion pressure and cannot be cut and processed. It is only suitable for sub-projects that are partly decorated. , Such as hardwood floor mats, etc. The machine-fighting plate is subjected to a larger pressing force, the gap is extremely small, the splicing is smooth, the bearing weight is uniform, and the long-term use is not easily deformed. Each price of a good blockboard is between 70-140 yuan, and some are between 40-60 yuan. Blockboard core material has many kinds, such as poplar, birch, pine, paulownia, etc., of which poplar, birch as the best, dense texture, wood is not soft not hard, strong nail holding, not easy to deformation. The paulownia texture is relatively soft, absorbent, difficult to dry, made of long-term use of water evaporation plate, the plate is easy to dry deformation. The hard wood is hard, not easy to suppress, the splicing structure is not good, the nail holding power is not bad, and the deformation coefficient is also large.
3. Uses: furniture, doors and windows, covers, partitions, false walls, heating covers, curtain boxes, etc.
4. Selection: Blockboard surface should be smooth, no warping, deformation, no blistering, depression; core strips arranged evenly and neatly, the gap is small, core strips without decay, fracture, wormholes, thrift and so on. Some blockboards cut corners and cut corners, and the gap between the solid wood strips is large. If nails are used at the cracks, there is basically no nail holding power. When consumers choose to look at the sun, the gaps in the wood strips will be white. If the joinery strength of the blockboard is not good, there will be a “click†sound when the self-financing is done. If the large core plate emits a scent of fragrant wood, it means that the release of formaldehyde is less; if the smell is pungent, it means that the amount of formaldehyde released is more.
The quality of blockboards varies greatly and should be carefully checked during the purchase. First, see if the core material is dense, whether there are obvious joints and decayed wood, whether there are obvious joints and decayed wood, there may be eggs in the decayed wood, and insects will easily occur in the future; The phenomenon of filling putty, this phenomenon is generally to make up for the internal cracks or voids; then is to tap the surface of the plate with a sharp mouth appliance, to hear whether the sound is very different, if the sound changes, indicating there is a hollow inside the plate. These phenomena will weaken the overall load-bearing capacity of the plate, and the long-term non-uniform force will cause the structure of the plate to be distorted and deformed, which will affect the appearance and use effect.
Second, plywood
1. Concept: Plywood is made of three or more layers of solid wood veneer or thin sheet of about one millimeter. The common ones are plywood, five plywood, nine plywood and twelve plywood (commonly known as plywood, five plywood, 9 PCT board, 12 PCT board).
2, characteristics: structural strength, good stability. Plywood contains large amount of glue, and it must be well-sealed during construction to reduce pollution.
3. Uses: Plywood is mainly used for various wood products such as the bottom panel of decorative panels and the back panel of panel furniture.
4, choose: choose plywood mainly depends on its formaldehyde emission and bonding strength. If plywood is poorly glued, it is easy to loosen. When choosing, pay attention to whether the nominal thickness of plywood matches the actual thickness.
Select the plywood to pay attention to the following points:
1 Plywood has the difference between the front and back. When picking, the plywood should have clear wood grain, smooth and smooth front surface, and it should be smooth and smooth.
2 plywood should not be damaged, bumps, hard wounds, tangles and other defects.
3 plastic board without degumming.
4 Some plywood is made by affixing two veneers with different lines. Therefore, it should be noted that the splice joints should be tight and there should be no unevenness.
5 When picking plywood, care should be taken to choose plywood that does not loosen. If the hand taps on various parts of the plywood, the sound is brittle, which proves that the quality is good. If the sound is boring, it indicates that the plywood has been scattered.
Third, the decorative panel
1. Concept: Decorative veneer veneer plywood (decorative panel, veneer) is a precision veneer of solid wood that is cut to a thickness of 0.2 mm or more. It is made of plywood as a base material and has been manufactured through an adhesive process. Decorative plate for decorative effect.
2, features: decorative panels are generally used for oil decoration. The surface layer is thin and the board is a precious wood species, with natural and colorful texture. The substrate is generally plywood, and the performance is stable and reliable.
3. Usage: Decorative panels are commonly used decorative materials for home decoration.
4, choose: There are unscrupulous businesses to make a fuss on the surface layer board, the surface layer is too thin, the thickness is only about 0.1, in order to prevent the floor color, first in the floor brush with a layer of paint and the surface layer of the same color, then paste the surface panel, Due to the poor adhesion between the paint and the glue, the surface panel has poor bonding strength and is easy to bulge. The consumer chooses to use a blade to scratch the surface, and most of the surface layer thickness is not up to standard.
Good quality decorative panels will make the room sparkling. After a poor quality decorative panel is used for a period of time, the surface will bulge and crack. First purchase decorative panel should pay attention to the following points:
1 recognize the difference between artificial veneer veneer and natural wood veneer veneer. The texture of the former is basically a straight texture, and the texture pattern is regular; while the latter is a natural wood pattern, the natural variability of the texture pattern is relatively large and there is no rule.
2 The decoration is better. The appearance of the decorative panel should have a good aesthetic feeling, the material should be detailed and uniform, the color is clear, and the wood grain is beautiful. The texture of the matching board and the parquet should be arranged according to a certain rule. The colors are similar, and the patchwork is almost parallel to the edge of the board.
3 The surface should have no obvious flaws. The surface of the decorative board selected should be smooth, free of burr groove marks and planer marks; there should be no phenomenon of glue penetration and board surface contamination (such as local yellowing or blackening); surface cracks, cracks, and knots should be selected as far as possible. The skin, resin and gum path; the natural warpage of the entire board should be as small as possible to avoid sand penetration phenomenon caused by improper sanding process.
4 no open plastic phenomenon. It should be noted that bulging and delamination cannot occur between the surface veneer and the substrate and between the internal layers of the substrate.
The 5 knife blade method is the most intuitive method to test the bonding strength. It is split along the glue layer with a sharp flat blade. If the glue layer is destroyed and the wood is not damaged, it indicates that the glue strength is poor.
6 to choose low formaldehyde release sheet. When selecting, decorative plates with pungent odors should be avoided.
7 Choose a good product with a clear production company. The vast majority of products have a clear factory name, site, and trademark, and their performance is good.
Fourth, MDF
1. Concept: The density board is divided into medium density fiberboard (middle density board) and hard fiberboard (high density board). The density is 450-800kg/m3 is medium density fiberboard, and the density is above 800kg/m3. It is hard fiberboard. The density board is made of plant wood fiber as the main raw material, and is made by processes such as hot grinding, paving and hot pressing.
2. Characteristics: The surface of the density board is smooth and smooth, the material is fine, the performance is stable, the edges are firm, and the decorative surface of the board is good. However, the moisture resistance of the MDF is poor. In contrast, the nail holding force of the MDF is worse than that of the chipboard. If loosening occurs after the screw is tightened, it is difficult to fix the MDF because the strength of the MDF is not high.
3ã€Uses: Mainly used to strengthen wood floors, door panels, partition walls, furniture and so on. MDF is mainly used for the surface treatment of the oil mixing process in home furnishings.
4. Selection: The MDF mainly detects formaldehyde emission and structural strength. The MDF is divided into E1 grade and E2 grade according to formaldehyde emission, and formaldehyde emission exceeds 30mg/100g. In general, most of the MDFs on scales used in production scales are qualified. Most of the MDFs on the market are E2 and E1 is less.
Fifth, Glulam
1, the concept: Glulam is a new solid wood material, the use of large diameter logs, deep processing and imaging as the staggered splicing of wood panels.
2, characteristics: due to different processes, this board's excellent environmental performance, the price of about 200 yuan each, slightly more expensive than high-grade blockboard. Laminated wood can be painted and brushed directly, saving more than a blockboard process.
3, use: Glulam is not easy to deformation, mainly used for wood doors, high-grade furniture.
Sixth, particle board
1, the concept: Particleboard is a natural wood crushed into particles after the material, and then by the adhesive repression, because of its profile similar to the honeycomb, so called particleboard.
2, characteristics: particleboard insulation, sound absorption, because of the system is easy, the quality is very different, not easy to distinguish, bending and tensile strength is poor, the density is loose and loose.
3, Uses: mainly used for heat insulation, sound absorption or ceiling, making ordinary furniture. At present, many manufacturers produce furniture using particle board, which is also the main material of cabinets. The surface of the particle board is usually double-laminated with a tri-hydrin-based veneer. After the edge-sealing treatment, the surface of the particle board is the same as the appearance of the medium-density board. The connector is assembled with a special connector and is detachable.
Seven, fire board
1. Concept: The fire board is made of siliceous material or calcium material as the main raw material. It is mixed with a certain proportion of fiber materials, lightweight aggregates, adhesives and chemical additives. The decorative sheet made of autoclave technology has a general thickness. 0.6-1.2mm.
2. Characteristics: The fireproof board is more economical than the efficiency, and has high strength, fire resistance and moisture resistance.
3, Uses: fire board is mainly used for cabinets, showcases and so on. The construction of the fire board is required for sticking the glue. It is necessary to grasp the thickness and dry time of the glue and paste it one time.
Eight, gypsum board
1. Concept: It is made by adding plaster and fiber as the main raw material. Gypsum board and light steel keel (pressed by galvanized sheet steel) combined to form a light steel keel gypsum board. Light steel keel gypsum board ceilings come in a variety of types, including gypsum board, decorative gypsum board, fiber gypsum boards, and hollow gypsum board strips, and come in a variety of sizes.
2, features: with light weight, thermal insulation, sound absorption, non-combustible and sawn and other properties.
3, use: home decoration in the living room of the pool, the restaurant's local shape are mostly made of gypsum board, gypsum board is light, low price, easy construction, but poor moisture resistance.
Nine, PVC board
1. Concept: PVC board is made of PVC as raw material with honeycomb cross-section mesh structure. Most of them are mainly plain, but they also have imitation patterns and imitation marble patterns.
2, characteristics: waterproof, moisture-proof, anti-mite. Contains flame-retardant ingredients for safe use.
3, use: PVC board is mainly used in the bathroom and kitchen, the price is cheaper.
4. Choices: There are processing and forming holes on both sides of the PVC plate, which are completely straight and flat, with no undulation and height difference.
Ten, aluminum buckle board
1. Concept: The aluminum buckle plate is an aluminum product, and the installation method is called the aluminum buckle plate because it is buckled on the keel. Aluminum buckle plate is generally 0.4mm-0.8mm thick, with a bar, square, diamond and so on.
2. Usage: There are generally two places to consider when installing aluminum fasteners. One is the bathroom and the other is the kitchen. The ceiling of the bathroom is to choose a hollow pattern. The flower plate in the kitchen should be flat type.
3. Select: When purchasing the aluminum buckle plate, be careful to use stainless steel to fake it. You can use the magnet to verify.
Eleven, aluminum plastic board
1. Concept: Aluminium-plastic panel is composed of thin aluminum layer and plastic layer, divided into single-sided aluminum-plastic plate and double-sided aluminum-plastic plate, and the thickness is generally about 3-5mm.
2. Usage: Aluminum-plastic panel is good for decoration, used for image wall, showcase, kitchen and ceiling.
3, choose: When buying the aluminum plastic board to apply vernier calipers to measure whether the thickness meets the requirements, and then prepare the magnet to check whether it is iron or aluminum.
Panels Buy Decorative Formaldehyde Furniture Painted Doors Price Plasterboard Ceilings Price Decorating Living Room Decoration Partition Kitchens Integrated Ceilings Kitchen Doors Kitchen Ceilings Partition Cabinets Wall Plates Furniture Cabinets Doors Kitchen Doors Doors Marble Cabinets Upscale Curtains Bathroom Doors Bathroom Ceiling Material Bathroom Doors Size Toilet Waterproof Price Toilet Size Toilet partition Toilet Ceiling Overall Toilet Bathroom Waterproof Restaurant Furniture Home Furnishing Restaurant Ceiling Decoration Home
Time-delay Faucet(Zinc)
Flush Valve,Toilet Tank,Toilet Tank Parts,Time Delay Toilet Flush Valve
dgsdfhfgj , http://www.nbelastic.com