LY/T 1984-2022 English PDF

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LY/T 1984-2022: (restructured wood floors)
Status: Valid

LY/T 1984: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1984-2022	299	Add to Cart	3 days	(restructured wood floors)	Valid
LY/T 1984-2011	439	Add to Cart	3 days	Reconstitued wood flooring	Obsolete

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Basic data

Standard ID: LY/T 1984-2022 (LY/T1984-2022)
Description (Translated English): (restructured wood floors)
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B70
Classification of International Standard: 79.080
Word Count Estimation: 12,198
Date of Issue: 2022-09-07
Date of Implementation: 2023-01-01
Issuing agency(ies): State Forestry and Grassland Administration

LY/T 1984-2022: (restructured wood floors)

---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.
ICS 79.080 CCSB70 Forestry Industry Standard of the People's Republic of China Replace LY/T 1984-2011 restructured wood floors Released on 2022-09-07 2023-01-01 Implementation Released by the State Forestry and Grassland Administration

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. This document replaces LY/T 1984-2011 "Recombined Wood Flooring". Compared with LY/T 1984-2011, except for structural adjustments and editorial changes In addition to the dynamics, the main technical changes are as follows. a) The definition of "recombined wood" has been changed (see 3.1, 3.1 of the.2011 edition); b) Delete the definition of "composite and restructured wood flooring" (see 3.3 of the.2011 edition); c) Deleted the classification (see Chapter 4 of the.2011 edition); d) Delete the grading and appearance quality requirements for first-class products (see 4.1, 4.3, 5.1, 5.3.1 of the.2011 edition); e) Changed the defect requirements for tongue defects, pollution, wrinkled skin and paint leakage in qualified products (see 4.3, 5.3.1 of the.2011 edition); f) Change the wear resistance requirements of the surface paint film (see 4.4, 5.4 of the.2011 edition); g) Change the expression and inspection method of surface paint film adhesion index results (see 4.4, 5.3.10, 5.4, 6.3.11 of the.2011 edition); h) Added the performance requirements and inspection methods for the release rate of total volatile organic compounds (72h) (see 4.4, 5.3.13); i) Changed the inspection method of specifications and dimensions (see 5.1, 6.1 of the.2011 edition); j) Increased density, 24h water absorption thickness expansion rate, static bending strength, and internal bond strength test pieces do not need to be balanced (see 5.3.3, 5.3.4, 5.3.5, 5.3.6, 6.3.4, 6.3.5, 6.3.6, 6.3.7 of the.2011 edition); k) Delete the heat conduction efficiency index and inspection method (see 5.4, 6.3.15 of the.2011 edition); l) The test methods for surface stain resistance and color fastness to light have been changed (see 6.3.10, 6.3.14, 5.3.9, 5.3.14 of the.2011 edition); m) Changed the sampling quantity of physical and chemical properties (see 6.2.3.1, 7.3.3.1 of the.2011 edition). Please note that some contents of this document may refer to patents. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed and managed by the National Wood-based Panel Standardization Technical Committee (SAC/TC198). This document was drafted by. Zhejiang Academy of Forestry Sciences, Dehua Group Holdings Co., Ltd., Zhejiang Shenghua Yunfeng New Materials Co., Ltd. Co., Ltd., Jiusheng Flooring Co., Ltd., Zhejiang Shiqiang Bamboo Industry Co., Ltd., Quzhou Fangyuanlin Product Inspection and Testing Co., Ltd., Shandong Bomu Base Materials Co., Ltd., Ruitong Polymer Technology (Zhejiang) Co., Ltd., Zhejiang Institute of Standardization, Zhejiang Forest Resources Monitoring Center, Security Ji County Quality and Technology Supervision and Testing Center. The main drafters of this document. Fang Chongrong, Xu Manping, Guo Feiyan, Tang Rongqiang, Song Jianping, Zhan Xianxu, Yu Haixia, Ding Xuwei, Qiu Zhangzhong, Pang Xiaoren, Sun Longxiang, Gan Meijiao, Jia Xiujuan, Chen Lin, Wan Xiujuan, Qi Dongqiang, Chunhua. The release status of previous versions of this document and the documents it replaces are as follows. ---First published as LY/T 1984-2011 in.2011; --- This is the first revision. restructured wood floors

1 Scope

This document specifies the requirements, inspection methods, inspection rules, marking, packaging, transportation and storage of reconstituted wood flooring. This document applies to floors made of reconstituted wood.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 2828.1-2012 Counting sampling inspection procedure Part 1.Batch-by-batch inspection sampling retrieved by acceptance quality limit (AQL) plan GB/T 15036.1-2018 Solid wood flooring Part 1.Technical requirements GB/T 15036.2-2018 Solid wood flooring Part 2.Inspection methods GB/T 17657-2013 Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels GB/T 18103-2013 Solid wood composite flooring GB 18580 Limits of formaldehyde release in wood-based panels and their products for interior decoration and refurbishment GB/T 28998-2012 Recombined decorative materials GB/T 29899-2013 Test method for release of volatile organic compounds in wood-based panels and their products Small release chamber method

3 Terms and Definitions

The following terms and definitions defined in GB/T 15036.1-2018 and GB/T 28998-2012 apply to this document. 3.1 reconstitutedwood reconstitutedwood Fast-growing wood or small-diameter wood, branch wood, etc., which are made by rotary cutting, thinning or rolling, sizing, and forming billets along the grain, and pressurized. 3.2 A floor made of reconstituted wood.

4 requirements

4.1 Grading According to the appearance quality, the products are divided into two grades. superior products and qualified products. 4.2 Dimensions and their deviations 4.2.1 Specifications and dimensions The specifications and dimensions of the restructured wooden floor are as follows. ......

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