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GB/T 35239-2017: Test method of evaluating the clearance capacity of formaldehyde scavenger for wood-based panels and finishing products
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GB/T 35239-2017: Test method of evaluating the clearance capacity of formaldehyde scavenger for wood-based panels and finishing products

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Test method of evaluating the clearance capacity of formaldehyde scavenger for wood-based panels and finishing products ICS 79.060.01 B70 National Standards of People's Republic of China Wood-based panels and formaldehyde scavenger products Cleansing test methods 2017-12-29 Posted 2018-07-01 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 proposed by the State Forestry Administration. This standard by the National Panel Standardization Technical Committee (SAC/TC198) centralized. This standard was drafted unit. Shanghai Timber Industry Institute, Shanghai Institute of Measurement and Testing Technology, Beijing Zhongxing Tianrui Technology Co., Ltd., Nanjing Forestry University, Dongguan City, Yu Jie New Materials Co., Ltd., Fu Ren Group Co., Ltd., Shenzhen Ge Rui Weikang Environmental Technology Co., Ltd. Division, Hebei Province, Mulberry flower quality supervision and inspection management center, Guangdong Yiu Tung Wah Furniture Sheet Co., Ltd., Zhejiang sublimation Yunfeng new material shares Limited company, Henan Academy of Forestry. The main drafters of this standard. Tianqi Kui, Tao Weigen, Han Zhenhua, Jin Zhaotu, Shen Hao, Zhang Tao, Liu Jinhua, Chen Xiaopeng, Deng Yuhe, Wang Baozhu, Zhang and data, Xia Dingxin, Bi Bo, Zeng Minhua, Shen Weiwen, Sun Xiaowei. Wood-based panels and formaldehyde scavenger products Cleansing test methods

1 Scope

This standard specifies the test method for the removal of formaldehyde scavenger of wood-based panels and their products. This standard applies to spraying formaldehyde in the wood-based panels and their products scavenger. This standard does not apply to formaldehyde removal products used in the production of wood-based panels.

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. Medium density fiberboard Testing methods of physical and chemical properties of wood - based panels and veneer wood - based panels

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Formaldehyde destroying agent for wood-based panel and its products formaldehydescavengerforwood-basedpanelsandfinishingprod- ucts Sprayed on the surface of wood-based panels and their products, the release of formaldehyde has some scavenging liquid products. Note. Referred to as scavenger. 3.2 Clear capacity clearancecapacity Scavenger on the wood-based panels and their products release formaldehyde scavenging capacity, with the clearance rate and attenuation rate were evaluated. 3.3 Clearance clearance rate After the scavenger-treated wood-based panels and their products, the percentage of formaldehyde emission decreased. 3.4 Attenuation rate The clearance rate test after the test piece, under certain conditions, place a certain time again after the test clearance rate, two times to reduce the clearance rate of 100 Sub-ratio. 3.5 Contrast contrasttestpanel Sample without scavenger treatment. 3.6 Spray sample treatedpanel Scavenger treated samples. ...