GB/T 18259-2018 English PDFUS$1559.00 · In stock
Delivery: <= 10 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 18259-2018: Terminology for wood-based panels and their surface decoration Status: Valid GB/T 18259: Historical versions
Basic dataStandard ID: GB/T 18259-2018 (GB/T18259-2018)Description (Translated English): Terminology for wood-based panels and their surface decoration Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B70 Classification of International Standard: 79.060.01 Word Count Estimation: 78,744 Date of Issue: 2018-05-14 Date of Implementation: 2018-12-01 Older Standard (superseded by this standard): GB/T 18259-2009 Regulation (derived from): National Standards Announcement No. 6 of 2018 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 18259-2018: Terminology for wood-based panels and their surface decoration---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Terminology for wood-based panels and their surface decoration ICS 79.060.01 B70 National Standards of People's Republic of China Replace GB/T 18259-2009 Wood-based panels and their decorative terms Published on.2018-05-14 2018-12-01 implementation State market supervision and administration China National Standardization Administration issued ContentForeword III 1 Scope 1 2 General term 1 3 Classification term 13 3.1 Plywood 13 3.2 Fiberboard 23 3.3 Particle Board 29 3.4 Surface decoration 33 3.5 Other wood composite materials 40 Reference 47 Index 48ForewordThis standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 18259-2009 "Wood-based panels and their surface decoration terms." This standard is compared with GB/T 18259-2009. In addition to editorial changes, the main technical content changes are as follows. --- Added some terms; ---Modified some terms; --- Removed some terms. This standard was proposed by the National Forestry and Grassland Bureau. This standard is under the jurisdiction of the National Standardization Technical Committee for Wood-based Panels (SAC/TC198). This standard was drafted. Nanjing Forestry University, Zhejiang Shenghua Yunfeng New Material Co., Ltd., Guangdong Tianyuan Huibang New Materials Co., Ltd. Company, Henan Yongwei Security Co., Ltd., Yiyang City Commodity Quality Supervision and Inspection Institute, Dehua Bunny Decoration New Materials Co., Ltd. Company, Dongying Artificial Board Factory, Deqing County Yunfeng Zhonghuan Jia Technology Co., Ltd. The main drafters of this standard. Mei Changjun, Jin Juzhen, Zhou Xiaoyan, Xu Xinwu, Han Shuguang, Pan Mingzhu, Yao Yuewei, Zhang Wei, Xu Minghua, Lin Hai, Yang Yong, Zhang Jie, Li Qiang. This standard was first published in.2000 and first revised in October.2009. Wood-based panels and their decorative terms1 ScopeThis standard defines the terminology and definition of wood-based panels and their surface decoration. This standard applies to all kinds of wood-based panels and their surface decoration products with wood or non-wood plant fibers as the main raw materials.2 general terminology2.1 Wood-based panel wood-based panels Using wood or non-wood plant fiber materials as the main raw material, processing into various material units, applying (or not applying) adhesives and other additives Additives, made sheets or shaped articles. Note. mainly including plywood, particle board, fiberboard, etc. 2.2 Functional wood-based panel functionalwood-basedpanels It has wood-based panels with special properties such as flame retardant, anti-corrosion, anti-mildew, anti-bacterial, insect-proof, weather-resistant, anti-static, heat insulation and sound absorption. 2.3 Flame retardant wood-based panel fireresistantwood-basedpanels Wood-based panels with flame retardant properties. 2.4 Insect resistant wood-based panel insectresistantwood-basedpanels Wood-based panels with insect resistance. 2.5 Antibacterial wood panel fungiresistantwood-basedpanels A wood-based panel that has the ability to resist fungal attack. 2.6 Antistatic wood-based panel staticresistantwood-basedpanels Artificial board with antistatic function. 2.7 Electromagnetic shielding artificial board electromagneticshieldingwood-basedpanels Wood-based panels with electromagnetic shielding. 2.8 Formaldehyde-free added wood-based panel no-addedformaldehydewood-basedpanels A wood-based panel processed without adding any formaldehyde-containing adhesive or additive during the production process. 2.9 Structural wood-based panel structuralwood-basedpanels With high strength and durability, it can be used in construction engineering structures and wood-based panels with specified load carrying capacity. 2.10 Outdoor wood panel exteriorwood-basedpanels Artificial panels that can be used outdoors. 2.11 Reinforced wood reinforcedwood-based panels Add wood-based panels of fiberglass, carbon fiber, metal mesh or other reinforcing materials. 2.12 Multi-layer composite wood panel laminatedwood-basedpanels A multi-layer structural board composed of two or more kinds of artificial boards or a composite board mainly composed of other sheet materials. 2.13 Finished wood panel decorativewood-basedpanels A panel made of wood-based panels, finished or finished with various decorative materials. 2.14 Formed wood-based panel preformedwood-basedpanels A wood-based panel with a certain curved shape. 2.15 Perforated wood panel perforatedwood-basedpanels A perforated wood-based panel with sound absorbing and decorative effects. 2.16 Embossed wood panel embossedwood-basedpanels A wood-based panel having an embossed pattern on its surface by molding or boring. 2.17 Inorganic adhesive wood-based panel inorganicadhesive-bondedwood-basedpanels A wood-based panel glued with inorganic binders such as cement, gypsum, slag, and fly ash. 2.18 Suspension speed suspendedvelocity When gas is used to transport fine materials and particles such as fibers and shavings, the material is in a suspended state and does not sink at a minimum air velocity. 2.19 Prepressing Under normal temperature conditions, the slab after the blank or the pavement is pressurized to achieve a certain degree of compactness, thickness and initial strength. Process. 2.20 Pad caul Support and transport the slab into the liner of the press. 2.21 Slab preheating matpreheating The slab is preheated before entering the hot press. 2.22 Slab glue matbonding The process of forming a slab at a certain temperature and pressure with or without the application of the slab of the adhesive. 2.23 Release agent In the process of wood-based panel production and surface decoration, in order to separate the hot-pressed sheet from the backing plate, formwork or steel strip, it is added to the tree. A material in grease or coated on a backing, stencil or steel strip. 2.24 Cold press coldpressing The slab is pressurized at room temperature and allowed to form a plate after a certain period of time. 2.25 Hot press hotpressing The process of pressing and heating the slab to form a plate after a certain period of time. 2.26 Steam injection method steaminjectionmethod A method of injecting steam into a slab to cause its center temperature to rise rapidly. 2.27 Spray-vacuum hot pressing injection-vacuumhotpressingmethod During the hot pressing process, the steam is sprayed from the vertical plate surface or the side surface into the interior of the slab, and then the vacuum is used to suck out the excess in the slab. A method of hot pressing of water. 2.28 High frequency heating method high-frequencyheatingmethod A method of heating a high frequency medium to increase the temperature of the slab. 2.29 Continuous flat pressure method continuousplaten-pressingmethod The slab enters the continuous flat press from the inlet end, and moves forward at a certain speed while heating and pressurizing, and finally from the outlet end. A hot pressing method for outputting a continuously formed strip. 2.30 Continuous rolling method continuousroler-pressingmethod The slab after paving is conveyed by the steel strip into the continuous roller press, and advances around the arc of the main pressing roller at a certain speed. During the operation, the main slab The press roll and a plurality of auxiliary press rolls pressurize and heat the slab, and finally a hot pressing method of outputting the continuously formed strip from the exit end. 2.31 Continuous extrusion method extrusionmethod The sizing shavings are quantitatively fed into the flatbed extruder, and the strips are continuously extruded under the action of punch extrusion and hot plate heating. method. Note. It is divided into vertical extrusion and horizontal extrusion. 2.32 Platen spacing daylight;opening The vertical distance between the opposite faces of the two adjacent press plates of the hot press. 2.33 No pad hot pressing hotpressingwithcaulesssystem Hot pressing without padding. 2.34 Intermittent press closing time closingtimeforbatchpress After the slab is loaded into the press, from the closing action of the press plate to the upper surface of all the slabs in the press contacting the lower surface of the hot platen time. 2.35 Simultaneous closingforbatchpress The hot plate of each layer of the multi-lamination machine realizes the process of synchronous opening and synchronous closing. 2.36 Intermittent press boost time pressureincreasingtimeforbatchpress After the press is completely closed, the slab begins to be pressurized until the pressure per unit area reaches the specified value. 2.37 Hot pressing time pressingtime The slab is in the hot press from the time when the pressure per unit area reaches a prescribed value until the time when the pressure is completely released. 2.38 Intermittent hot pressing curve hotpressingcurveforbatchpress The curve of pressure and temperature with time during slab hot pressing. 2.39 Pre-cured layer precurelayer When the slab is hot pressed, the adhesive is pre-cured to form a loose layer on the surface of the artificial board before the unit pressure reaches the specified value. 2.40 Trimming trimming The process of cutting a wood-based panel into a finished panel of a certain size. 2.41 Sanding sanding Grinding method to make the wood-based panel to the specified thickness and thickness tolerance, and to make the surface smooth and smooth. 2.42 Post-processing finishing Cooling, trimming, sanding, quenching and tempering of cold-pressed or hot-pressed wood-based panels. 2.43 Wood-based panel defects defectsofwood-basedpanels A general term for the appearance and processing defects that affect the quality and grade of wood-based panels. 2.44 Layered delamination Separation of the bonding surface of the artificial board due to lack of glue or poor glue. 2.45 Bubbling blow, blister A defect in which holes are formed in the plate and locally protruded on the surface due to failure of the gluing. 2.46 Corner defect edgesandcornerbreakage Loss or damage to the four corners or edges of the panel due to improper mechanical or human manipulation. 2.47 Corner soft softedgeandcorner The structure of the edge and corner of the board is rough and soft. 2.48 Indentation imprint Local indentations on the surface of the panel due to external factors. 2.49 Stain stain A substance that is formed on the surface of a wood-based panel by grease, oil, or an adhesive, and which has a difference in color from the surface of the board. 2.50 Striped streak Tiger skin The color of the panel appears on the surface of the panel. 2.51 Charring charcoalization During hot pressing or heat treatment, the surface of the artificial board is carbonized due to excessive temperature, which causes a defect of brownish black on the surface of the board. 2.52 Missing sand unsandedareasonfinishedboardsurfaces Defects caused by the partial surface of the wood-based panel not being sanded. 2.53 Sand marks sandingtracesonfinishedboardsurfaces Defects formed by the appearance of strips or strips on the surface of the artificial board after sanding. 2.54 Dry state dryconditions Indoor environment or outdoor environment with protective measures, the moisture content of the material in this state is equivalent to its temperature at 20 ° C, relative humidity is not Moisture content achieved in an environment above 65% (or relative humidity of more than 65% in a few weeks of the year). 2.55 Wet state - temperate humidconditions-temperate Indoor environment or outdoor environment with protective measures, the moisture content of the material in this state is equivalent to its temperature at 20 ° C, high relative humidity Moisture content achieved in an environment of 65% but not more than 85% (or a relative humidity of more than 85% in a few weeks of the year). 2.56 Wet state - tropical humidconditions-tropical Indoor environment or outdoor environment with protective measures. The moisture content of the material in this state is equivalent to its temperature at 30 ° C and high relative humidity. Moisture content achieved in an environment of 65% but not more than 85% (or a relative humidity of more than 85% in a few weeks of the year). 2.57 High-humidity condition Indoor environment or outdoor environment with protective measures, the moisture content of the material in this state is equivalent to its relative humidity at temperatures above 30 ° C The moisture content achieved in an environment with a degree greater than 85% or occasionally in contact with water (other than water or watering). 2.58 Outdoor state exteriorconditions The state of the environment in outdoor natural weather conditions. 2.59 Outdoor exposure test exteriorexposuretest The artificial board is exposed to outdoor natural weather conditions, and the test of the change of physical and mechanical properties is periodically observed and measured. 2.60 Weatherability test weatheringtest Using equipment that simulates various outdoor climatic conditions, the wood-based panels are subjected to certain conditions such as temperature and humidity changes and timed illumination to accelerate After aging, tests for changes in physical and mechanical properties were tested. 2.61 Falling ball impact test faling-balimpacttest A steel ball of a certain diameter and mass falls freely from the specified height on the surface of the material, depending on whether the surface of the material is cracked or indented. Diameter is a test method for measuring the impact resistance of a material surface. 2.62 Dip peel test dippeeltest After the test piece was immersed in water at a certain temperature and dried, the test of the peeling and peeling degree of the adhesive layer was observed and measured. 2.63 Moisture content The percentage of the moisture content of the material and the absolute dry mass of the material. 2.64 Surface roughness surfaceroughness Microscopic unevenness The degree to which the surface of the material is uneven. 2.65 Dimensional stability The ability of a material to retain its original size and shape as the environmental conditions change. 2.66 Durability Long-term resistance to damage by organisms (fungi, insects, etc.) or external environmental factors (high temperature, light, humidity, etc.). 2.67 Strong weight ratio strengthweightratio The ratio of the strength and density of the material. 2.68 Section density distribution verticaldensityprofile Profile density distribution The density distribution in the thickness direction of the artificial board is expressed by the section density curve. 2.69 Water absorption thickness expansion rate thicknesssweling The percentage of the increase in thickness of the test piece after immersion in water of a certain temperature for a specified period of time. 2.70 Water absorption rate The percentage of the mass increase and the original mass of the test piece after being immersed in water of a certain temperature for a specified period of time. 2.71 Boiling water resistance boilingwaterresistance Measure the ability of a material to resist damp heat. 2.72 Creep creep Under certain environmental conditions, when the material is subjected to a constant external force, its deformation gradually increases with time. 2.73 Formaldehyde release;formaldehydeemission A wood-based panel pressed with a formaldehyde-based adhesive such as urea-formaldehyde resin, which continuously emits formaldehyde gas to the outside during manufacturing, stacking, and use. The phenomenon. 2.74 Glue grade bondclassification The grading of the ability of the structural type wood-based panel to resist the action of moisture. Note. The gluing grade is mainly divided into two grades of grade I and outdoor grade, which determines the environment in which the panel is used. 2.75 Expose level I exposureI A glue grade for wood-based panels that can be temporarily exposed to outdoor environments. Note. This glue grade wood-based panel can resist the influence of moisture on its performance due to construction delays or rain. 2.76 Outdoor level exterior A glue grade for wood-based panels that can be exposed to outdoor environments for extended periods of time. Note. This glue grade wood-based panel can resist the effects of dry-wet alternation caused by outdoor climate change or other similar conditions on its performance. 2.77 Loading rate loadingspeed When detecting the mechanical properties of the test piece, the amount of increase in the load or the amount of deformation of the test piece changes with time. 2.78 Hardness The artificial board partially resists the ability of the hard object to press into its surface. 2.79 Screw force screwholdingcapability Use the specified type of wood screw, screw it into the board to a certain depth and pull it out for the maximum pulling force required. Note. It is divided into the surface holding screw force and the board side holding screw force. 2.80 Glue strength bondingstrength The ratio of the maximum load required to cause damage to the interface between the adhesive and the adherend in the bonded sample and the bonded area. 2.81 Static bending strength moduleofrupture The ratio of the bending moment to the flexural section modulus of the material under the action of the maximum static load. 2.82 Modulus of elasticity The ratio of stress to strain due to load in the elastic limit range. 2.83 Inner bond strength internalbondstrength The ratio of the maximum load to the loaded area when the specimen is broken under the tensile load of the vertical plate surface. 2.84 Surface bond strength surfacebondstrength The ratio of the maximum load at the specified depth of the test piece to the load-bearing area of the test piece under the tensile load of the vertical plate surface. 2.85 Tensile strength tensilestrength The ratio of the maximum tensile load of the test piece to the load-bearing area of the test piece. 2.86 Compressive strength compressionstrength The ratio of the maximum compressive load of the test piece to the loaded area of the test piece. 2.87 Shear strength shearstrength The ratio of the maximum shear load of the test piece to the sheared area of the test piece. 2.88 Rolling shear damages racingshearfailure Shear damage caused by shear stress on a plane perpendicular to the wood grain. 2.89 Impact toughness impactbending Under the impact load, the ratio of the energy consumed by the test piece to the load-bearing area of the test piece is generated. 2.90 Adhesive adhesive A material that binds adherends by physical or chemical action. 2.91 Bonding adhesion Adhesion A state in which a solid surface is bonded to each other by means of an adhesive or the like by means of physical force, chemical force, or both. 2.92 Gluing bonding Gluing The process of joining the surfaces of the adherends with an adhesive. 2.93 Wood adhesive woodadhesive An adhesive that can bond different forms of wood (or wood and other materials) under certain conditions. 2.94 Sticker binder In the adhesive, a component that plays a major role in bonding the surfaces of the two adherends together. 2.95 Natural polymer adhesive naturalglue An adhesive made of a natural polymer compound as a binder. 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