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LY/T 1612-2023 English PDF

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LY/T 1612-2023: The technique specification of the 1-cubic-meter chamber for determining formaldehyde emissions
Status: Valid

LY/T 1612: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
LY/T 1612-2023English179 Add to Cart 3 days [Need to translate] The technique specification of the 1-cubic-meter chamber for determining formaldehyde emissions Valid LY/T 1612-2023
LY/T 1612-2004English319 Add to Cart 3 days [Need to translate] The climate chamber for determination of formaldehyde emission Obsolete LY/T 1612-2004

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Basic data

Standard ID LY/T 1612-2023 (LY/T1612-2023)
Description (Translated English) The technique specification of the 1-cubic-meter chamber for determining formaldehyde emissions
Sector / Industry Forestry Industry Standard (Recommended)
Classification of Chinese Standard B70
Classification of International Standard 79.060.01
Word Count Estimation 9,938
Date of Issue 2023-06-19
Date of Implementation 2023-11-01
Issuing agency(ies) State Forestry and Grassland Administration

LY/T 1612-2023: The technique specification of the 1-cubic-meter chamber for determining formaldehyde emissions


---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 79.060.01 CCSB70 Forestry Industry Standard of the People's Republic of China Replace LY/T 1612-2004 1m3 climate chamber for formaldehyde emission detection skills requirement Released on 2023-06-19 2023-11-01 Implementation The State Forestry and Grassland Administration issued

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 1612-2004 "1m3 Climate Chamber for Formaldehyde Emission Detection". In addition to structural adjustments and editorial changes, the main technical changes are as follows. --- Changed the volume of the climate chamber from "volume. (1.0 ± 0.02) m3" to "effective volume. (1.0 ± 0.01) m3" (see 4.2,.2004 3.2 of the.2011 edition); --- Changed the temperature adjustable range from "Temperature. adjustable range 20℃~25℃, accuracy ±0.5℃" to "Temperature. adjustable range Range 18℃~30℃, deviation ±1℃, uniformity 1.0℃, fluctuation ±0.3℃" (see 4.2, 3.2 of the.2004 edition); --- Changed the relative humidity adjustable range from "relative humidity adjustable range. 45%~50%, accuracy ±3%" to "relative humidity Degree. Adjustment range 40%~60%, deviation ±3%, uniformity 3%, fluctuation ±2%" (see 4.2, 3.2 of the.2004 edition); --- Changed the air flow rate from "air flow rate. 0.1m/s~0.3m/s, accuracy ±0.05m/s" to "carrier gas flow rate. adjust Range 0.1m/s~0.5m/s" (see 4.2, 3.2 of the.2004 edition); --- Changed the air replacement rate from "air replacement rate. (1.0±0.05)h-1" to "carrier gas replacement rate. adjustment range (0.2~ 2.0)h-1, allowable deviation ±3%" (see 4.2, 3.2 of the.2004 edition). --- Changed the airtightness requirements (see 5.4, 4.4 of the.2004 edition), changed the airtightness test method (see 5.4, 5.7); --- Deleted the insulation requirements (see 4.5 and 5.6 of the.2004 edition), and added the requirements for condensation on the inner surface (see 5.5); --- Changed the noise requirements for the climate chamber during operation, the noise value was reduced from 70dB to 60dB (see 5.6, 4.6 of the.2004 edition); --- Changed the continuous working time requirements of the climate chamber, and the continuous stable working time was increased from 28d to 30d (see 5.7,.2004 edition 4.7); --- Added refrigeration mode for climate control in the box (see 5.9, 4.9 of the.2004 edition); --- Deleted the entire content of "Test Methods" (see Chapter 5 of the.2004 edition). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the State Forestry and Grassland Administration. This document is under the jurisdiction of the National Technical Committee for Standardization of Wood-Based Panels (SAC/TC198). This document was drafted by. Wood Industry Research Institute of Chinese Academy of Forestry, Dongguan Shengwei Electromechanical Equipment Technology Co., Ltd., Del Future Technology Holding Group Co., Ltd., Shanghai Fuxuan Environmental Protection Technology Co., Ltd., Nanjing Customs Industrial Products Testing Center, Northeast Forestry University, Shanghai K-Tech Instrument Co., Ltd., VOSS (Beijing) Technology Co., Ltd., Zhejiang Shenghua Yunfeng New Materials Co., Ltd., Rockwood (Zhongshan) Co., Ltd., Jinhua Hairi Home Furnishing Co., Ltd., Henan Yongwei Composite New Materials Co., Ltd., Hubei Hanbang Wood Industry Co., Ltd., Jiangshan Oupai Door Industry Co., Ltd., Jiangsu Huidian New Materials Co., Ltd., Jiangsu Senmao Bamboo and Wood Industry Co., Ltd., Jinan Hongwei Technology Co., Ltd., Jinan Hainate Technology Co., Ltd., Wanhua Hexiang Board Industry (Jingmen) Co., Ltd. The main drafters of this document are. Liu Ru, Li Xiaoling, Long Ling, Lu Zhigang, Shen Jun, Xia Keyu, Yao Hongpeng, Li Min, Liang Min, Liu Yongyong, Yang Jing, Shi Hong Liang, Lin Deying, Yuan Jifa, Fu Yuning, Zhu Zhenyu, Wu Shuigen, Zhang Yudong, Liu Hailiang, Shi Wei, Xiao Hua, and Yang Zhijian. The previous versions of this document and the documents it replaces are as follows. ---First published in.2004 as LY/T 1612-2004. ---This is the first revision. 1m3 climate chamber for formaldehyde emission detection skills requirement

1 Scope

This document specifies the basic structure and technical parameters of a 1m3 climate chamber for formaldehyde emission testing. This document is applicable to the formaldehyde emission test of artificial boards and their products for interior decoration specified in GB 18580-2017. 1m3 climate chamber.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB 18580-2017 Limits of formaldehyde emission from artificial boards and their products for interior decoration and renovation JB/T 9512-2018 Determination of the sound power level of emitted noise of climate environment test equipment by sound pressure method JJF(Building Materials)182-2021 Calibration Specification for Environmental Test Chambers for Volatile Detection of Building Materials Products JJF1101-2019 Calibration specification for temperature and humidity parameters of environmental test equipment

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Climate Chamber Composition and Technical Parameters

4.1 Climate Chamber Composition The climate chamber usually consists of a carrier gas supply device, a carrier gas purification device, a gas flow control device, a carrier gas temperature control device, a carrier gas humidity control device, and a carrier gas temperature control device. Device, climate chamber body, gas circulation control device in the chamber, temperature, humidity and wind speed sensors and monitoring and recording devices, mixed gas outlet, gas The sampling connection device and the sample rack are composed of a 1m3 climate chamber. See Figure 1 for a schematic diagram of the composition and Appendix A for a simplified structural diagram.

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