LY/T 1156-2022 English PDF

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LY/T 1156-2022: (wood veneer)
Status: Valid

LY/T 1156: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
LY/T 1156-2022	129	Add to Cart	3 days	(wood veneer)	Valid
LY/T 1156-2012	239	Add to Cart	2 days	Wood slab	Obsolete
LY/T 1156-1994	199	Add to Cart	2 days	Chain saw - rubber grip	Obsolete

Similar standards

GB/T 18107   LY/T 1184   LY/T 1650   LY/T 1317   LY/T 3358   LY/T 1069   

Basic data

Standard ID: LY/T 1156-2022 (LY/T1156-2022)
Description (Translated English): (wood veneer)
Sector / Industry: Forestry Industry Standard (Recommended)
Classification of Chinese Standard: B69
Classification of International Standard: 79.040
Word Count Estimation: 5,580
Date of Issue: 2022-09-07
Date of Implementation: 2023-01-01
Issuing agency(ies): State Forestry and Grassland Administration

LY/T 1156-2022: (wood veneer)

---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 79.040 CCSB69 Forestry Industry Standard of the People's Republic of China Replace LY/T 1156-2012 wood veneer Woodslab 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 1156-2012 "Wooden Skin". Compared with LY/T 1156-2012, except for structural adjustments and editorial changes In addition, the main technical changes are as follows. --- Changed the "scope" (see Chapter 1, Chapter 1 of the.2012 edition); --- Added "terms and definitions" (see Chapter 3); --- Changed the "requirements" (see Chapter 4, 2.1 of the.2012 edition); --- Changed the "tree species" (see 4.1, 2.1 of the.2012 edition); --- Deleted "size" (see 2.2 of the.2012 edition); ---Changed the expression of "defect allowable limit" (see 4.2, Chapter 3, Table 1 of the.2012 edition); --- Changed the "measurement method" (see Chapter 5, Chapter 4 of the.2012 edition); --- Added "transportation and storage" (see Chapter 6). 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 Timber Standardization Technical Committee (SAC/TC41). This document was drafted by. Heilongjiang Wood Science Research Institute, Shandong Tranlin Group Co., Ltd., Yunnan Hongta Lanying Paper Co., Ltd., Zhejiang Anfengju Home Furnishing Co., Ltd., Hengfeng Paper Group, Jilin Academy of Forestry Sciences, National Forestry and Grassland Bureau Forest Industry Planning and Design Institute of Design, Heilongjiang Vocational and Technical College of Architecture, and Institute of Wood Industry, Chinese Academy of Forestry Sciences. The main drafters of this document. Zhao Xiu, Shi Lancui, Wang Chunming, Qin Li, Zhai Fenghui, Zhang Yan, Chen Ling, Meng Xiangpeng, Jia Xiaoran, Wang Chunxia, Zhao Liyuan, Li Chenqi, Wang Shuanglong, Li Chuntao, Lu Hongchang, Guan Shuai, Huang Haibing, Liu Xiuyan. The release status of previous versions of this document and the documents it replaces are as follows. ---In.1994, it was first published as LY/T 1156-1994 "Paperboard Skin"; --- In the first revision in.2012, the name of the standard was changed to "Wood veneer"; --- This is the second revision. wood veneer

1 Scope

This document specifies the requirements, methods of measurement, transportation and storage of wood veneers. This document is applicable to the production and distribution of wood veneer for paper and fiber using wood as raw material.

2 Normative references

The content in the following documents constitutes 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 4823 Defects in sawn timber GB/T 11917 Lumber Technology Terminology

3 Terms and Definitions

The terms and definitions defined in GB/T 4823 and GB/T 11917 apply to this document.

4 requirements

4.1 Tree species 4.1.1 Board for papermaking Suitable tree species for needles and broad leaves. 4.1.2 Wood veneer for fibers All needle and broadleaf species. 4.2 Allowable Limits for Defects The allowable limit of defects shall comply with the provisions in Table 1.Non-woody impurities such as sand, stone, metal, plastic, nylon, etc. are not allowed. No birch bark allowed. Table 1 Allowable Limits of Defects use allowable limit Bark Content Mass Ratio Decay Content Mass Ratio Wood veneer for papermaking< 3% ≤2% Wood veneer for fibers < 3% ≤1.5% ......

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