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LY/T 1318-2022: (Insulation Cork Bricks)
Status: Valid LY/T 1318: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| LY/T 1318-2022 | English | 279 |
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3 days [Need to translate]
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(Insulation Cork Bricks)
| Valid |
LY/T 1318-2022
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| LY/T 1318-1999 | English | 169 |
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2 days [Need to translate]
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Cork board (Forlow-temperature thermal insulation)
| Obsolete |
LY/T 1318-1999
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PDF similar to LY/T 1318-2022
Basic data | Standard ID | LY/T 1318-2022 (LY/T1318-2022) | | Description (Translated English) | (Insulation Cork Bricks) | | Sector / Industry | Forestry Industry Standard (Recommended) | | Classification of Chinese Standard | B72 | | Classification of International Standard | 79.100 | | Word Count Estimation | 11,156 | | Date of Issue | 2022-09-07 | | Date of Implementation | 2023-01-01 | | Issuing agency(ies) | State Forestry and Grassland Administration | LY/T 1318-2022: (Insulation Cork Bricks)---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 79.100
CCSB69
Forestry Industry Standard of the People's Republic of China
Replacing LY/T 1318-1999, LY/T 1319-1999
Insulation cork board
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 1318-1999 "Cork Bricks (For Low Temperature Heat Insulation)" and LY/T 1319-1999 "Cork Bricks Test Method", and
Compared to LY/T 1318-1999 and LY/T 1319-1999, except for structural adjustment and editorial changes, the main technical changes are as follows.
--- Changed the dimensional deviation and appearance quality requirements (see Table 1, Table 2, Table 1 of LY/T 1318-1999);
---Changed the density index of special grade products (see Table 3, Table 2 of LY/T 1318-1999);
--- Changed the flexural strength index (see Table 3, Table 2 of LY/T 1318-1999);
--- Changed the moisture content index (see Table 3, Table 2 of LY/T 1318-1999);
--- Added dimensional stability testing requirements (see Table 3);
--- Increased combustion performance classification testing requirements (see Table 3).
This document was drafted with reference to ISO 2219.2010 "Parameters of Prefabricated Expanded Cork Board (ICB) for Building Thermal Insulation Products", and the degree of consistency is non-standard.
equivalent.
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 Forestry Biomass Materials Standardization Technical Committee (SAC/TC416).
This document was drafted by. National Forestry and Grassland Bureau Paulownia Research and Development Center (Chinese Academy of Forestry Economic Forest Research and Development Center
Center), Henan Academy of Forestry Sciences, Wood Industry Research Institute of Chinese Academy of Forestry Sciences, Northwest Agriculture and Forestry University, Xi'an Oriental Cork
Co., Ltd., Shaanxi Qinba Baobao Cork Technology Co., Ltd., Beijing Weiji Cork New Material Co., Ltd., Shaanxi Wanlin Co., Ltd.
The main drafters of this document. Chang Delong, Sun Xiaowei, Zhang Ran, Huang Wenhao, Hu Weihua, Zhang Yunling, Xu Yaya, Sun Shuyan, Wang Xiaofeng, Zhang Xionghui,
Zheng Linyi, Qian Shijiang, Zhu Jingle, Luo Ying, Liu Fei, Jin Yu, Yu Lei, Ji Xiaodi, Mi Bingbing.
The release status of previous versions of this document and the documents it replaces are as follows.
---LY/T 1318, first released as GB 7639-1987 in 1987, first revised as LY/T 1318-1999 in.1999;
---LY/T 1319, first published in 1987 as GB 7640-1987, first revised in.1999 as LY/T 1319-1999.
Insulation cork board
1 Scope
This document specifies the requirements, inspection methods, inspection rules, packaging, marking, transportation and storage of thermal insulation cork boards.
This document applies to cork boards for thermal insulation without surface decorations made of compressed and baked cork particles without 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 8624-2012 Classification of combustion behavior of building materials and products
GB/T 10295-2008 Determination of steady-state thermal resistance and related properties of thermal insulation materials by heat flow meter method
GB/T 17657-2013 Test methods for physical and chemical properties of wood-based panels and veneered wood-based panels
GB/T 19367-2009 Determination of dimensions of wood-based panels
GB/T 30806-2014 Test method for dimensional stability of building thermal insulation products under specified temperature and humidity conditions
LY/T 3149-2019 Terminology for cork products
3 Terms and Definitions
LY/T 3149-2019 and the following terms and definitions apply to this document.
3.1
Cork products for thermal insulation without surface decorations made of cork particles without adhesives by molding and baking.
3.2
baking baking
The process of making cork self-expanding, coalescing, dehydrating, drying and hardening by means of heating under the ignition point.
3.3
sandwich surface-cooked
During the baking process, the internal cork particles are not completely expanded and coalesced, which reduces the strength of the heat-insulating cork board and deteriorates the heat-insulating performance.
3.3
Density
In the detection of physical performance indicators, after a single insulating cork board sample is divided into partial test pieces, the value of the mass of the test piece divided by the volume. for
Evaluate the uniformity and stability of mass distribution in different parts.
3.4
hole hole
Depressions or tiny pits formed on the surface of insulating cork boards due to falling cork particles.
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