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Advisory Hotline：0371-8881懂請7899轉801-808The formaldehyde release 美人limit for wood-based panels will be關紙
With the improvement of living standar下費ds, people pay more and more atten友樹tion to the environmental health of 跳在the home environment. As one of th能兵e more basic raw materials in the deco也樂ration, the artificial board and its 懂麗products will release a certain習數 amount of formaldehyde due to the us美花e of formaldehyde-based adhesives, whic頻弟h will endanger human h筆章ealth.
Recently, the mandatory national sta老劇ndard for the manufacture of 照費wood-based panels and their products弟街 in China, "Formaldeh靜紅yde Decoration Limits for店視 Interior Panel Decoration 上房Materials and Their Products" (G答呢B18580-2001) was revised for 低到the first time in 16 火員years. One of the important amendm間你ents is to increase formaldehyde.說作 Release the limit value, c老什ancel the original standa火妹rd E2 level, and cha鐘會nge the limit mark E1. The new standar刀機d will be officially im物動plemented on May 1, 2018.
In the wood-based pa腦市nel and its products 煙村industry to improve the form湖黑aldehyde emission standards生花, what changes will b小些e brought about? What are the ben說花efits for consumers? In this regard, t外報he reporter interview會討ed the Secretary of the National Woo的工d-based Panel Standardization 北相Technical Committee Duan Xinfang and o年舞ther experts.
High-grade formaldehyde emissio吧她n from wood-based panels動器 and their products
Wood-based panels (commonly know媽說n as large core panels)樹唱 and their products are widel和務y used and widely used. Mos女聽t of the adhesives used in the 見北production of wood-based panels are照習 urea-formaldehyde resin 業店adhesives based on formaldehyde. I妹你t has the advantages of low production內暗 cost, sufficient raw material 相市source, simple produc電秒tion process and conv睡輛enient use. It is the main 也秒type of artificial board adhesive, acc聽服ounting for about 90% of the amoun對拍t of glue used for wood匠請-based panels. It is widely used小我 in the production o裡跳f fiberboard, plywood, par答自ticleboard, Wood-based panels and oth我東er wood-based panels. However, products刀嗎 made with urea-formaldehyde resin ad體樂hesives continuously release formal木書dehyde.
Li Guangxi, director of the村化 Department of Respiratory懂長 Medicine, Guang'機子;anmen Hospital, China Academy of 飛麗Chinese Medical Sciences, said that for坐用maldehyde, benzene an體下d other pollutants are very harmful熱媽 to human health. Inhalation c刀姐an lead to neurasthenia, nausea, vomiti少微ng, chest tightness, asthma and other媽店 symptoms, and even cause ca煙月ncer.
Although most of the wood-based pa水他nels are not directly so頻文ld to consumers, as a raw material for睡對 building materials, wood-base紙上d panels are introduced into individua美光l households through man跳路ufacturers and decoration companie窗低s. For example, most manufacturers of子這 cabinets, wooden doors and內風 windows, wooden furni要厭ture, etc. do not produce 街腦sheets, but reprocess them by purch線歌asing materials for production fro長個m upstream sheet production c秒下ompanies. Therefore, the environm上空ental performance of the produc女黑ts of the upstream wo她理od-based panel industry directly affe人煙cts the safety and health 錯他of the consumer's ho電不me environment.
Old standards are old and backward信技, it is difficult to pl上大ay a regulatory role
The “Formaldehyde Release北那 Limit for Wood-based Pa關我nels and Their Products for 姐謝Interior Decoration Materials” (拍關GB18580-2001), which站知 was implemented in 2001, was a mand冷能atory national standard 水去in the wood-based panel a腦拿nd its products industr放紙y. This standard means the “bottom 志自line” of state regulatio下機n and the “red line” prod熱銀uced by the industry. That is to say書遠, the state requires th和計at the formaldehyde emission of wo家高od-based panels and t車身heir products must meet the requir數又ements of this product. This is al業冷so the basis for testing whether th子那e formaldehyde emission of the product 資唱is qualified. For more t街可han a decade, this stan錢西dard has played an im和街portant role in regulating the develop中務ment of the industry, impro月了ving the environmental performance麗分 of products, and protecting the h又的ealth of consumers.
However, due to the 化答development of the industry a雜友nd the improvement of people&#森開39;s living standards, the old stand司也ards are increasingly inconsistent with月站 people's production and li我理ving requirements. C小紅ompared with other countries, count體店ries around the world, esp這愛ecially developed co拍機untries, attach great imp窗長ortance to the release of form快刀aldehyde from wood-based 唱要panels and their products. The Internat線文ional Organization for Sta下從ndardization (ISO), the 音拿European Union, the United States坐麗 and Japan have contin雜技uously updated the formaldehyde emissi土熱on limit standards f也資or wood-based panels a民唱nd their products. Higher requirements妹商 are placed on formal區呢dehyde release limits. 討體In the GB18580-2001 standard紙吧, China's wood-based pane內在l formaldehyde emission limit standard有船 is divided into two levels: 事票E1, E2. E1 is a wood-b煙都ased panel that can be dire藍數ctly used indoors. E2 is a wo線風od-based panel that ca東話n be used indoors after be時火ing treated. Therefore, in the要話 past, the formaldeh南畫yde emission limit standa化中rd of artificial wood panels with內風 high environmental perfor有志mance in China was E1可厭, and the release amount was l飛師ess than 1.5. Mg/m3.
China has become a major produce房也r and consumer of interior decora遠那tion materials such as wo謝聽od-based panels in the 友少world. Since 2011, China'草西;s wood-based panel productio電河n ranks high in the world, reaching 2朋費87 million cubic meters. Behind t音美he huge output, there a有光re hidden environmen我路tal security concerns. Historically,路水 one of the main factors for the failur拍的e of wood-based panels and their prod服看ucts is that the amount of formalde去都hyde released exceeds the st說火andard. Therefore, it is extremely urge火雜nt to revise and adjust the GB18580-2業聽001 standard.
The new standard is in line with inter從黑national standards a黃科nd directly hits the industry&白黑#39;s environmental prote城黑ction points.
According to the reporter, the這區 obvious change of the revised視藍 standard GB18580-201影在7 is to increase the不土 formaldehyde emission limit require對校ment. The uniform formaldehy技雪de emission limit valu微志e is 0.124mg/m3, the limit mark日文 is E1, and the original E2 信為level is cancelled. Duan 靜紙Xinfang said that this大技 has been in line with international st醫到andards.
In addition, the new standard 秒媽also cancels the formald金地ehyde release limit value of the drye關和r method and the perforation extracti個術on method in the original stand著又ard, and the test method for measuri能她ng the formaldehyde emission amount is 金學unified as "1 cu行術bic meter climate box method". 呢中The "1 cubic meter climate chamb著老er method" has a detection dura黃她tion of at least 10 da又姐ys and is measured from day 7 u紙山nder constant temperature, constan秒南t humidity and constant air flow.通內 When the number of tests exceeds 4 ti章暗mes, and the differe站線nce between the results of the ne煙我xt two measurements is明術 less than 5%, the avera熱行ge value is taken as the measurement 自化result. If the differe長雜nce between the two 請場measurements is greater than外區 5%, it is also measured once a day. I外醫f the steady state is not reached什到 within 28 days, the measured value o的日n the 28th day is us兒白ed.
"Since May 1 next綠著 year, the new stand藍司ard will be officially impl就習emented. That is to say, by that time木購, as long as the products sold 現商in the domestic market must meet the 近紙new standards," Duan Xinfan風歌g said. This means that companies s得用hould retrofit existing prod醫朋uction lines, production t嗎光echnologies and purchase 1 cubic met謝黑er of climate chamber testing equip刀嗎ment as soon as possible to ensure that上視 products that meet th答哥e new standards are produced.
Expert advice
Start indoor environmental carr大放ying capacity research as soon as內爸 possible
When buying furniture, many businesses西信 will say that the quality of t人匠heir own furniture is in line with nat科你ional quality standards. However, if 子雨the use of formaldehyde to re志司lease the artificial哥說 board that meets the limit requireme大為nts, will it not cause pollution 能道in the living room and ensure the healt章你h of the residents is not aff們算ected?
Duan Xinfang said that there is not 路做a positive correlation between the g草林rade of the wood-based 男的panel and the indoor關地 formaldehyde exceeding t道會he standard. The formald身司ehyde pollution in indoor air mainly 資市comes from the artificial panels雜木, paints and adhesives us還鐵ed in decoration and furniture.書笑 Limiting the amount of forma又煙ldehyde released from 煙綠these decoration and furnitur下事e materials can ensure that t劇多he concentration of formaldehyde in the電男 room is controlled within a certain鄉做 safe range. This is the o短遠riginal intention of co姐聽untries to develop formaldeh我你yde emission limits for decora們相tion materials such as wo麗要od-based panels.
In addition, under the influen見很ce of the “accumulation黑要 effect”, when the artificial panel煙不s used for furniture, decor森美ation, etc. in the room exceed a現自 certain limit, the formaldeh綠鐵yde will exceed the stand木有ard, so it is necessary t朋弟o impose restrictions on the amou答雜nt of artificial panels used for interi黃厭or decoration. . Among t照計hem, Japan is doing more 聽放detailed.
Japan officially imp玩煙lemented the Building船相 Standards Act in 2007, w地的hich imposed strict restrictions問南 on the use of build街白ing materials that releas近冷e harmful chemicals indoo下東rs.
On the whole, F four-star wood-base長飛d panels, that is, the averag分訊e formaldehyde emission of都書 0.3mg/m3, will not cause the indoor f笑人ormaldehyde concentration to 子業exceed 0.1mg/m3, that is, th信遠e indoor formaldehyde c吧飛oncentration limit standa兒能rd, therefore, reach F four stars拿舞. Graded wood-based panels are not 制化restricted in interior decoration. The 藍下average formaldehyde emission o朋遠f F three-star artificial內森 board is 0.5mg/m3, an路中d the amount used in inte說體rior decoration should be limite訊兵d to 2 times of the us鄉日ed area of the renovat紙弟ed room.
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