GB/T 21140-2017 English PDF

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GB/T 21140-2017: Non-structural finger jointed lumber
Status: Valid

GB/T 21140: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21140-2017	239	Add to Cart	3 days	Non-structural finger jointed lumber	Valid
GB/T 21140-2007	439	Add to Cart	3 days	Finger-jointed lumber -- Non-structural	Obsolete

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Basic data

Standard ID: GB/T 21140-2017 (GB/T21140-2017)
Description (Translated English): Non-structural finger jointed lumber
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B69
Classification of International Standard: 79.080
Word Count Estimation: 12,132
Date of Issue: 2017-11-01
Date of Implementation: 2018-05-01
Older Standard (superseded by this standard): GB/T 21140-2007
Regulation (derived from): National Standard Announcement 2017 No. 29
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 21140-2017: Non-structural finger jointed lumber

---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.
Non-structural finger jointed lumber ICS 79.080 B69 National Standards of People's Republic of China Replacing GB/T 21140-2007 Non-structural finger-joined material Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is GB/T 21140-2007 "Finger-jointed non-structural" amendment. This standard compared with GB/T 21140-2007, the main technical changes as follows. --- Modify the standard name (see cover); --- Modify and delete some terms and definitions (see Chapter 3); --- Modify the classification (see 4.1); --- refers to the mortise and tenon structure Appendix A (see Appendix A); --- Remove the finger tenon size series (original Chapter 6); --- Modify the finger-joined materials (see 6.1); --- Increased size, deviation and warpage (see 6.3); --- Modify the appearance of quality (see 6.4); --- Modify the bending strength index (see 6.5); --- Increased formaldehyde emission indicators (see 6.5); --- Modify the bending strength calculation method (see 7.3.4). This standard proposed by the State Forestry Administration. This standard by the National Panel Standardization Technical Committee (SAC/TC198) centralized. This standard was drafted unit. Heilongjiang Institute of Timber Science and Technology, Heilongjiang Provincial Forest Industry Administration, Germany and China Bunny decorative new material shares Co., Ltd., Pu'er City Quality and Technical Supervision Comprehensive Testing Center, Zhejiang Shenghua Yunfeng New Material Co., Ltd., Yiyang City, product quality supervision Inspection Institute. The main drafters of this standard.Wang Hongdi, Sun Liren, Bi Kexin, Mao Lei, Bai Xue, Zhao Simiao, Li Chenqi, Zhou Zhifang, Chen Linmei, Baiyunqi, Yang Yong, Shen Jian, Tang Yuanming, Lu Rongjin, Song Yanchun. This standard replaces the standards previously issued as. --- GB/T 21140-2007. Non-structural finger-joined material

1 Scope

This standard specifies the terms and definitions, classification, requirements, test methods, inspection rules and signs, non-structural finger-joinedders, packaging, transport and Storage. This standard applies to the definition of non-structural 3.1 with finger-joined material.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Determination of moisture content of wood GB/T 1931-2009 GB/T 2828.1-2012 Sampling procedures for inspection - Part 1 - Batch-by-lot inspection by acceptance quality limit (AQL) plan Testing methods of physical and chemical properties of wood - based panels and veneer wood - based panels GB 18580 interior decoration materials and panels of formaldehyde emission limit

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 The wood or square timber along the length of the direction, the finger-bonded long, for furniture, decoration and other non-load-bearing materials. 3.2 Finger mortise fingertenon Machining of the formed finger tenon at the end of the wood using a cutting method.

4 categories

4.1 by water resistance points. a) Class I weather resistant non-structural finger-joined material; b) Class II moisture-resistant non-structural finger-joined material; c) Type III non-wetting wet non-structural finger-joined material. 4.2 Press the tenon visible material surface points. a) horizontal type (H type) see Figure 1; b) vertical type (V type) See Figure 2. ......

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