Introduction to the use and classification of plywood, let's learn together

1、 Use of plywood
1. Usually, our common plywood is mainly used for the bottom plate of decorative panels, the back plate of panel furniture, as well as various wooden crafts and product packaging.
2. Generally, building plywood on the market is mainly used in outdoor conditions, such as building exterior decoration and concrete formwork, and also used in decoration projects, such as ceiling, dado, floor liner, etc.
3. Special plywood is divided into different uses according to the grade. First class plywood is mainly used for high-grade architectural decoration, high-class furniture and various electrical appliances; Second class is applicable to furniture, ordinary buildings, vehicles, ships and other decorations; The third class can be imagined to be used in low-grade building decoration and packaging materials. Specially suitable for high-grade architectural decoration, high-grade furniture and other products with special needs.
4. Plywood of different thicknesses has different uses in decoration projects. For example, plywood veneer is generally used to make door and window covers, skirting lines, wall panels, furniture and other wood surfaces; Ordinary plywood is generally used as furniture, door jambs for mixing water, window jambs and furniture surface course, as well as as the proofing template for carpentry to make a large sample, which is the main force in family decoration; The five plywood can be used to replace the three plywood as the surface layer, and the arc shape also needs to be made with the five plywood; The nine centimeter plywood is generally used as the base course of skirting line, door pocket cutting, window pocket base course, furniture base course, etc

2、 Classification of plywood
1. According to the structure of the board, plywood refers to a group of veneers that are usually glued with each other perpendicular to the grain direction of adjacent layers. Usually, the surface and inner layers are symmetrically arranged on both sides of the central layer or the board core; Sandwich plywood plywood with a core; Composite plywood core (or some layers) is composed of materials other than solid wood or veneer, and at least two layers of veneer with wood grain arranged vertically to each other shall be arranged on both sides of the core.
2. According to the adhesive property, the plywood used outside the room has the properties of weather resistance, water resistance and high humidity resistance; Plywood for indoor use. It does not have the adhesive property of enduring water immersion or excessive humidity for a long time.
3. Sanding plywood surface according to surface processing and sanding machine; The surface of the scraped plywood is scraped by the scraper; The surface of veneered plywood is covered with decorative veneer, wood grain paper, impregnated paper, plastic, resin film or metal sheet materials; The manufacturer of pre finished plywood has carried out special surface treatment, and no further decoration is required when using.
4. The untreated plywood and the treated plywood are classified according to the treatment conditions, including those treated with chemicals (such as impregnated preservatives) during or after manufacturing.
5. Planar plywood and formed plywood shall be divided according to the shape and shall be bent once or several times.
6. According to the use of ordinary plywood, that is, plywood suitable for a wide range of uses; Special plywood can meet special purpose plywood.