GB/T 18103-2022 PDF EnglishUS$260.00 · In stock · Download in 9 seconds
GB/T 18103-2022: Engineered wood flooring Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 18103: Historical versions
Similar standardsGB/T 18103-2022: Engineered wood flooring---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT18103-2022GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 79.080 CCS B 70 Replacing GB/T 18103-2013 Engineered Wood Flooring Issued on. DECEMBER 30, 2022 Implemented on. JULY 1, 2023 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of ContentsForeword... 3 1 Scope... 6 2 Normative References... 6 3 Terms and Definitions... 7 4 Classification... 9 5 Requirements... 10 5.1 Requirements for Raw Materials... 10 5.2 Requirements for Appearance Quality... 11 5.3 Specifications, Dimensions and Deviations... 13 5.4 Physical and Chemical Properties... 14 6 Inspection Methods... 15 6.1 Inspection Method for Appearance Quality of Planar Engineered Wood Flooring... 15 6.2 Inspection Methods for Specifications, Dimensions and Deviations of Planar Engineered Wood Flooring... 16 6.3 Inspection Methods for Physical and Chemical Properties of Planar Engineered Wood Flooring... 20 6.4 Inspection Method for Nonplanar Engineered Wood Flooring... 24 6.5 Inspection Method for Engineered Wood Flooring for Underfloor Heating... 24 7 Inspection Rules... 24 7.1 Classification of Inspection... 24 7.2 Sampling Method and Determination Principle... 25 7.3 Comprehensive Determination... 28 7.4 Inspection Report... 28 8 Labeling, Packaging, Transportation and Storage... 29 8.1 Product and Packaging Labeling... 29 8.2 Packaging... 29 8.3 Transportation and Storage... 29 Bibliography... 301 ScopeThis document defines the terms and definitions of engineered wood flooring, and specifies the classification, requirements, inspection methods, inspection rules, labeling, packaging, transportation and storage. This document is applicable to engineered wood flooring.2 Normative ReferencesThe contents of the following documents constitute indispensable clauses of this document through the normative references in the text. In terms of references with a specified date, only versions with a specified date are applicable to this document. In terms of references without a specified date, the latest version (including all the modifications) is applicable to this document. GB/T 2828.1-2012 Sampling Procedures for Inspection by Attributes - Part 1.Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection GB/T 4823-2013 Defects in Sawn Timber GB/T 15036.1-2018 Solid Wood Flooring - Part 1.Technical Requirements GB/T 15036.2-2018 Solid Wood Flooring - Part 2.Examination Methods GB/T 17657-2022 Test Methods of Evaluating the Properties of Wood-based Panels and Surface Decorated Wood-based Panels GB 18580 Indoor Decorating and Refurbishing Materials - Limit of Formaldehyde Emission of Wood-based Panels and Finishing Products GB/T 28999-2012 Multilaminar Decorative Veneer GB/T 39600 Formaldehyde Emission Grading for Wood-based Panel and Finishing Products GB/T 41547-2022 Wood-based Flooring for Underfloor Heating HJ 571-2010 Technical Requirement for Environmental Labeling Products - Wood Based Panels and Finishing Products3 Terms and DefinitionsWhat is defined in GB/T 4823-2013, and the following terms and definitions are applicable to this document. 3.1 engineered wood flooring Flooring made of solid wood panels or veneers (including restructured decorative veneers) as the panel, solid wood panels, veneers or plywood as the core layer or bottom layer, and laminated in different combinations. 3.2 two-layer engineered wood flooring Two-layer-structured solid wood composite flooring with solid wood panels or veneers (including restructured decorative veneers) as the panel, and solid wood panels or veneers as the bottom layer. 3.3 three-layer engineered wood flooring Three-layer-structured solid wood composite flooring with solid wood panels or veneers (including restructured decorative veneers) as the panel, and solid wood panels as the core layer and veneers as the bottom layer. 3.4 multi-layer engineered wood flooring Multi-layer (with more than 3 layers) structured solid wood composite flooring with solid wood panels or veneers (including restructured decorative veneers) as the panel, and plywood as the base material, or solid wood panels or veneers (including restructured decorative veneers) as the panel, and solid wood panels or veneers as the core layer or bottom layer. 3.5 nonplanar engineered wood flooring Solid wood composite flooring with uneven surfaces, such as. saw marks and drawings, etc. 3.6 classic tongue-and-groove joint engineered wood flooring Solid wood composite flooring with right-angled tenons and grooves on the sides and ends.4 Classification4.1 Classification in accordance with the panel material. 4.2 Classification in accordance with the structure. 4.3 Classification in accordance with the coating mode. 4.4 Classification in accordance with the surface shape. 4.5 Classification in accordance with whether it is suitable for ground radiant heating places. 4.6 Classification in accordance with whether it is locked and spliced.5 Requirements5.1 Requirements for Raw Materials 5.1.1 Panel 5.1.2 Solid wood panel 5.1.2.1 The wood species for the core layer of flooring in the same batch shall be of the same species or have similar properties. 5.1.2.2 The gap between the core-layer laths shall not be greater than 3 mm. 5.1.3 Plywood for engineered wood flooring It shall comply with the stipulations of LY/T 1738. 5.2 Requirements for Appearance Quality 5.2.1 Appearance quality of planar engineered wood flooring The appearance quality of planar engineered wood flooring shall comply with the stipulations of Table 1.Specifically speaking, the front-side appearance quality of engineered wood flooring with restructured decorative veneers as the panel shall comply with the stipulations of 5.1 in GB/T 28999-2012. 5.2.2 Appearance quality of nonplanar engineered wood flooring It shall comply with the relevant stipulations of LY/T 1859. 5.3 Specifications, Dimensions and Deviations 5.3.1 Specifications and dimensions The commonly seen specifications and dimensions of engineered wood flooring are as follows. 5.3.2 Dimensional deviations of planar engineered wood flooring They shall comply with the stipulations of Table 2. 5.3.3 Dimensional deviations of nonplanar engineered wood flooring They shall comply with the stipulations of LY/T 1859.When the floor shape is square, the surface-layer net length deviation and surface-layer net width deviation shall be agreed upon by both the supply-side and the demand-side. 5.4 Physical and Chemical Properties 5.4.1 Physical and chemical properties of planar engineered wood flooring 5.4.2 Physical and chemical properties of nonplanar engineered wood flooring 5.4.2.1 The formaldehyde release and locking strength of nonplanar engineered wood flooring shall comply with the stipulations of Table 3, and the other physical and chemical properties shall comply with the stipulations of LY/T 1859. 5.4.2.2 For the nonplanar engineered wood flooring for underfloor heating, the locking strength shall comply with the stipulations of Table 3, the heating performance and formaldehyde release shall comply with the stipulations of GB/T 41547-2022, and the other physical and chemical properties shall comply with the stipulations of LY/T 1859.6 Inspection Methods6.1 Inspection Method for Appearance Quality of Planar Engineered Wood Flooring 6.1.1 Measuring tools 6.1.2 Inspection of appearance quality of planar engineered wood flooring 6.1.2.1 Adopt visual inspection and measuring tools to inspect the appearance quality of the floor surface item by item. 6.1.2.2 When adopting visual inspection, the visual distance shall be within 700 mm ~ 1,000 mm under natural light or near natural light (for example, 40 W fluorescent lamp) with an illumination in the range of 300 lx ~ 600 lx. The inspection personnel shall have normal vision (or corrected to normal vision), without color blindness or color weakness. 6.1.2.3 Inspect the floor piece by piece, and in accordance with the stipulations of 5.3, determine its grade. When there is a dispute, three people shall jointly participate in the inspection, and the majority of the same conclusions will be the inspection result. 6.2 Inspection Methods for Specifications, Dimensions and Deviations of Planar Engineered Wood Flooring 6.2.1 Measuring tools 6.2.1.1 Steel measuring tape, with a division value of 1.0 mm; select the measuring range in accordance with the size of the test piece. 6.2.1.2 Steel ruler, with a division value of 0.5 mm; select the measuring range in accordance with the size of the test piece. 6.2.1.3 Micrometer, with a division value of 0.01 mm; select the measuring range in accordance with the size of the test piece. 6.2.1.4 Digital display vernier caliper, with a division value of0.01 mm; select the measuring range in accordance with the size of the test piece. 6.2.1.5 Feeler gauge, with a thickness of 0.01 mm ~ 1.00 mm. 6.2.1.6 Right angle square, 200 mm 300 mm, accuracy level 1. 6.2.2 Inspection of specifications, dimensions and deviations of planar engineered wood flooring 6.2.2.1 Inspection of surface-layer net length deviation The length of the floor refers to the net length (l) of the floor surface, measured with a steel measuring tape on both sides of the floor width direction and 20 mm away from the edge of the floor, accurate to 1 mm, as shown in Figure 1.Calculate the absolute value of the difference between the nominal length (ln) and each length measured value (lm), accurate to 1 mm. 6.2.2.4 Right angle (q) measurement One side of the right angle square is close to the long side of the floor. Use a feeler gauge to measure the maximum distance (qmax) between the other side of the right angle and the end of the floor, accurate to 0.01 mm, as shown in Figure 4. 6.2.2.5 Measurement of edge straightness (s) Along the length direction of the floor, use a steel ruler close to the two adjacent corners of the floor, and use a feeler gauge or steel ruler to measure the maximum chord height (smax) between the edge of the panel and the steel ruler, accurate to 0.01 mm, as shown in Figure 5.The ratio of the maximum chord height (smax) to the measured floor length (l) is the lengthwise edge straightness (s), accurate to 0.01 mm/m. 6.2.2.6 Measurement of warp degree (f) 6.3 Inspection Methods for Physical and Chemical Properties of Planar Engineered Wood Flooring 6.3.1 Requirements for preparation, dimensions and quantity of test pieces 6.3.1.1 The sample shall be taken from products stored for more than 24 hours after production. 6.3.1.2 Randomly select no less than 2 floorboards from the sample as specimens. The preparation position (except for the locking strength, all are prepared from the specimens after removing the tongue and groove), dimensions, specifications and quantity of the test piece shall comply with the requirements of Figure 9 and Table 4.When sawing the test piece, defects shall be avoided. 6.3.2 Determination of impregnation stripping 6.3.2.1 Principle Determine whether the glue layer is stripped after the test piece is impregnated and dried, and the degree of stripping. 6.3.2.2 Instruments and measuring tools7 Inspection Rules7.1 Classification of Inspection 7.1.1 Product inspection is divided into exit-factory inspection and type inspection. 7.1.2 The inspection items of exit-factory inspection are determined in accordance with the product type (such as. planar engineered wood flooring, nonplanar engineered wood flooring and engineered wood flooring for underfloor heating). 7.1.3 Type inspection includes all relevant inspection items in Chapter 5.During normal production, type inspection shall be carried out no less than once a year. Under one of the following circumstances, type inspection shall be carried out. 7.2 Sampling Method and Determination Principle 7.2.1 Principle of group batch Products of the same batch, same specifications and same category are considered as one batch. 7.2.2 Sampling method and determination principle of planar engineered wood flooring and nonplanar engineered wood flooring 7.2.2.1 Sampling method and determination principle of appearance quality 7.2.2.1.2 On a floorboard, when there are multiple defects at the same time, determine in accordance with the defect that affects the product grade the most. 7.2.2.2 Sampling method and determination principle of specifications, dimensions and deviations 7.2.2.3 Sampling method and determination principle of physical and chemical properties 7.2.3 Sampling method and determination principle of engineered wood flooring for underfloor heating In accordance with the stipulations of 7.3 in GB/T 41547-2022. 7.3 Comprehensive Determination When the inspection results of appearance quality, specifications, dimensions, deviations, physical and chemical properties and underfloor heating performance (if applicable) satisfy the requirements in the standards for labeled products, the batch of products shall be determined as qualified, otherwise, the batch of products shall be determined as disqualified. 7.4 Inspection Report The content of the inspection report shall include.8 Labeling, Packaging, Transportation and Storage8.1 Product and Packaging Labeling Before entering the warehouse, the name and address of the manufacturer, product name, the standard being implemented, production date / batch No., trademark, specifications and model, panel tree species (except the engineered wood flooring with parquet and restructured decorative veneers as the panel), panel thickness, level of formaldehyde release, category and quantity, etc. shall be marked on the appropriate parts, or packaging or label of the product. The product barcode and QR code can be marked on the product labeling. 8.2 Packaging When products are exiting the factory, they shall be respectively packed in accordance with the product category, specifications and levels. The certificate of conformity, Chinese installation and instruction manuals shall be provided. The packaging shall prevent the products from collision, scratches and stains. 8.3 Transportation and Storage The products shall be flat stacked in the process of transportation and storage to prevent stains, and shall be prevented from moisture, rain or exposure to the sun. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 18103-2022 be delivered?Answer: The full copy PDF of English version of GB/T 18103-2022 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 18103-2022_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 18103-2022_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 18103-2022 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.Question 5: Should I purchase the latest version GB/T 18103-2022?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 18103-2022 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of GB/T 18103-2022?A step-by-step guide to download PDF of GB/T 18103-2022_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 18103-2022". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
