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LY/T 1860-2022: (Formaldehyde-free thermoplastic resin plywood)
Status: Valid LY/T 1860: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1860-2022 | English | 229 |
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(Formaldehyde-free thermoplastic resin plywood)
| Valid |
LY/T 1860-2022
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| LY/T 1860-2009 | English | 239 |
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Non-formaldehyde thermoplastic resin plywood
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LY/T 1860-2009
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PDF similar to LY/T 1860-2022
Basic data | Standard ID | LY/T 1860-2022 (LY/T1860-2022) | | Description (Translated English) | (Formaldehyde-free thermoplastic resin plywood) | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B70 | | Classification of International Standard | 79.060.10 | | Word Count Estimation | 9,965 | | Date of Issue | 2022-09-07 | | Date of Implementation | 2023-01-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 1860-2022: (Formaldehyde-free thermoplastic resin plywood)---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 79.060.10
CCSB70
Forestry Industry Standard of the People's Republic of China
Replace LY/T 1860-2009
Non-formaldehyde thermoplastic resin plywood
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 1860-2009 "Non-formaldehyde thermoplastic resin plywood". Compared with LY/T 1860-2009, except for editing
In addition to permanent modifications, the main technical changes are as follows.
a) Added classification by surface finish (see 4.2);
b) Delete the requirements of "plate structure" and "category" (see 5.2 and 5.4 of the.2009 edition);
c) Added requirements for "panel splicing" and "patching" (see 5.2.3 and 5.2.4);
d) Added the requirements for immersion peeling, elastic modulus and static bending strength in "Physical and Chemical Properties" (see 5.3.3 and 5.3.4);
e) Changed the inspection method and performance index of formaldehyde emission (see 5.3.5, 6.3.6, 5.5.3, 6.3.5 of the.2009 edition);
f) Changed the requirements of the "judgment rules" (see 7.3, Chapter 7 of the.2009 edition);
g) Delete the "label" requirement (see 8.2 of the.2009 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 is drafted by. Institute of Wood Industry, Chinese Academy of Forestry Sciences, Guangxi Huawei Wood Industry Co., Ltd., Fujian Qingxin Technology Co., Ltd.
Co., Ltd., Dehua Rabbit Baby Decoration New Material Co., Ltd., Zhejiang Shenghua Yunfeng New Material Co., Ltd., Guangzhou Best Victory Home Furnishing Co., Ltd.
Division, Jinmen Oil Press Manufacturing Co., Ltd., Datian County, Fujian Province, Jiangsu Chengpin Environmental Protection Technology Co., Ltd., Shouguang Luli Wood Industry Co., Ltd.
Division, CRRC Tangshan Locomotive and Rolling Stock Co., Ltd., Nanjing Forestry University.
The main drafters of this document. Chang Liang, Gao Li, Chen Wenjun, Guo Wenjing, Huang Hong, Yang Li, Shen Jianping, Zhao Jianzhong, Liu Shuxiong, Huang Chengcun,
Lu Weijian, Guo Zhiwu, Chen Yongping, Ren Yiping, Tang Qiheng, Luo Shupin, Wang Yuanwu, Fang Lu.
The release status of previous versions of this document and the documents it replaces are as follows.
---First published as LY/T 1860-2009 in.2009;
--- This is the first revision.
Non-formaldehyde thermoplastic resin plywood
1 Scope
This document specifies the classification, requirements, inspection methods, inspection rules, marking, packaging, and transportation of non-formaldehyde thermoplastic resin plywood.
and storage etc.
This document applies to ordinary wood plywood prepared with non-formaldehyde thermoplastic resins such as polyethylene and polypropylene as adhesives.
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 9846-2015 Ordinary plywood
GB/T 17657-2013 Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels
GB/T 18259-2018 Wood-based panels and their surface decoration terms
GB/T 19367-2009 Determination of dimensions of wood-based panels
GB/T 39600-2021 Formaldehyde emission classification of wood-based panels and their products
3 Terms and Definitions
The following terms and definitions defined in GB/T 18259-2018 apply to this document.
3.1
Thermoplastic resin thermoplastic resin
A polymer with a linear or branched chain structure that can be repeatedly softened and hardened by heating and cooling.
3.2
It is a common plywood made of wood veneer as raw material and non-formaldehyde thermoplastic resin such as polyethylene and polypropylene as adhesive.
4 categories
4.1 According to the use environment.
a) Use under wet conditions. Type II plywood;
b) Use under dry conditions. Type III plywood.
4.2 According to the surface processing condition, it is divided into.
a) Unsanded panels;
b) Sanding board.
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