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GB/T 11717-2018: Pulp logs
Status: Valid GB/T 11717: Evolution and historical versions
PDF similar to GB/T 11717-2018
Basic data | Standard ID | GB/T 11717-2018 (GB/T11717-2018) | | Description (Translated English) | Pulp logs | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B68 | | Classification of International Standard | 79.040 | | Word Count Estimation | 6,662 | | Date of Issue | 2018-06-07 | | Date of Implementation | 2019-01-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 11717-2018: Pulp logs---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.
Pulp logs
ICS 79.040
B68
National Standards of People's Republic of China
Replace GB/T 11717-2009
Papermaking logs
Published on.2018-06-07
2019-01-01 implementation
State market supervision and administration
China National Standardization Administration issued
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 11717-2009 "paper for papermaking". This standard is compared with GB/T 11717-2009, the main technical changes
as follows.
--- Revised scope (see Chapter 1, Chapter 1 of the.2009 edition);
--- Revised the normative reference document (see Chapter 2, Chapter 2 of the.2009 edition);
--- Added terms and definitions (see Chapter 3);
--- Modified the tree species (see 4.1, 3.1 of the.2009 edition);
--- Increased size and tolerance (see 4.2);
--- Revised the gauge path (see 4.2.2, 3.3 of the.2009 edition);
--- Revised the allowable limit of defects (see Table 1, Table 1 of the.2009 edition);
--- Revised volume calculation (see 5.3, 4.3 edition of.2009);
--- Increased raw wood product for papermaking (see Appendix A).
This standard was proposed by the National Forestry and Grassland Bureau.
This standard is under the jurisdiction of the National Timber Standardization Technical Committee (SAC/TC41).
This standard was drafted. Heilongjiang Institute of Wood Science, Heilongjiang Academy of Forestry.
The main drafters of this standard. Zhang Dongmei, He Jincun, Xu Rui, Zhou Zhifang, Zhang Wei, Huang Zaihua, Deng Xiaohua, Li Bin, Liu Xiuyan, Gao Dandan,
Wang Hezhen, Gao Peng.
The previous versions of the standards replaced by this standard are.
---GB/T 11717-1989, GB/T 11717-2009.
Papermaking logs
1 Scope
This standard specifies the terms and definitions, requirements, sampling methods, inspection methods, volume calculations and product marks of paper logs.
This standard applies to the production, circulation and supervision and inspection of paper logs.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 144 log inspection
GB/T 155 log defect
GB/T 4814 original wood product table
GB/T 15787 Log Inspection Terminology
GB/T 17659.1 Sawmills for batch inspection and sampling - Part 1 . Methods and methods
LY/T 1511 Log Product Marking
3 Terms and definitions
The terms and definitions defined in GB/T 155 and GB/T 15787 apply to this document.
4 requirements
4.1 Tree species
All needles and broadleaf are suitable for tree species.
4.2 Dimensions and tolerances
4.2.1 Length gauge
1m~4m. It is upgraded from 0.2m to 2m, less than 2m to 0.1m, and long-term tolerance. 6-2cm.
4.2.2 gauge diameter
From 4cm or more. 4cm~13cm is upgraded by 1cm, when the size is less than 1cm, the foot is 0.5cm, and less than 0.5cm;
When the size is less than 2cm, the size is less than 2cm, and the foot is 1cm, and less than 1cm.
4.3 Limits of defects
4.3.1 Limit of defect tolerance
The allowable limits of defects shall be in accordance with Table 1.
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