the soluble lead of breathable technical indicators 90mg / kg, soluble mercury is 2mg / kg. However,[url=[第一私募论坛]http://www.simu001.cn]culligantotalhome.fr/category/moncler-soldes/]veste moncler], toxic substances and plasticizing agent component aromatic hydrocarbons, phthalates, etc., and not included in the plastic runway test, in other words, when testing,[url=[第一私募论坛]http://www.simu001.cn]free2peek.nl/winterjassen-parajumpers/]winterjassen parajumpers], does not appear to detect indicators of harmful substances, not It was included in the test items. Initial Probe said, but in the EU, the issue has a lot of test items. answerProfessor Luo said, "30 years ago, our country does not use plastic runway plasticizers can still reach the IAAF A-level competition standards." However, in order to reduce costs, numerous additive "influx" in the industry. "I hope the relevant departments to improve the level of industry regulation, can not from the standard, something that does not have to explain?" He suggested testing standards shall be updated to improve the plastic runway safety.If the track test failed,[url=[第一私募论坛]http://www.simu001.cn]latecnicasrl.it/category/hogan-milano/]hogan milano], there is no substitute?A work in the education system for decades.
: A+ D! O# @3 B+ N0 j, T8 } and odors?Department of Chemistry and Materials Science, Nanjing Forestry University Professor Luo Zhenyang said that China is the biggest consumer of polyurethane material. "Polyurethane in our lives are often used, small stockings,[url=[第一私募论坛]http://www.simu001.cn]acenet.it/category/hogan-sito-ufficiale/]hogan sito ufficiale], large leather chairs,[url=[第一私募论坛]http://www.simu001.cn]topticketlijn.nl/parajumpers-kids/]parajumpers kids], refrigerators,[url=[第一私募论坛]http://www.simu001.cn]topticketlijn.nl/parajumper-jassen/]parajumper jassen], etc., this synthetic material is everywhere." said plastic track is an internationally recognized security sports equipment, regulate the use of polyurethane materials It must be non-toxic and safe.How to determine whether the problem runway? Luozhen Yang said that currently, plastic track approach is to smash into the rubber, the surface layer with polyurethane.( ~6 w8 [% k, p: U& j8 i
and the whole sealed,[url=[第一私募论坛]http://www.simu001.cn]spazioestetico.it/hogan-rebel/]hogan rebel], totally good plastic smell from the surface of the runway is no taste. Under normal circumstances,[url=[第一私募论坛]http://www.simu001.cn]digicar.it/scarpe-uomo-hogan/]scarpe uomo hogan], the plastic runway has a curing time of 7 days taken up later, standardized plastic track is no taste.Under normal circumstances,[url=[第一私募论坛]http://www.simu001.cn]softairroma.it/outlet-hogan/]outlet hogan], the plastic runway does not smell, but when after midday sunlight, runway emitting a foul odor. Panel members "do plastic" Jiangsu Lu Changfeng introduction, this smell comes from paraffin. But in the bidding documents for the Rural Schools in Jiangsu Province,[url=[第一私募论坛]http://www.simu001.cn]softairroma.it/scarpe-hogan-uomo/]scarpe hogan uomo], the construction of sports venues plastic engineering, clearly should not contain chlorinated paraffin. answerDirector of the provincial Department of Education Ti Weiyi Turre said that in the future it is necessary to prompt various schools, to ensure safety,[url=[第一私募论坛]http://www.simu001.cn]kingdragon.it/category/hogan-scontate/]hogan scontate], under the premise of no odor,[url=http://imcindustrial###/documents/casa.asp]hogan donna], it can enable plastic runway.Professor Luo Zhenyang reminded that even qualified plastic runway safety, and does not advise the bare skin directly and its "close contact." This is because the plastic runway will contain a certain amount of heavy metals.Plastic runway safety, presence detection indicators?Is there no toxic plastic runway? Although there are national standards,[url=[第一私募论坛]http://www.simu001.cn]toynet.it/category/hogan-outlet-online/]hogan outlet online], but even by national standards,[url=[第一私募论坛]http://www.simu001.cn]robbinssystems###/news.html]hogan donna], it may not illustrate not toxic. Provincial Quality Supervision and Inspection Institute of Chemical Building Materials Testing Center staff Initial Probe said plastic track whether security can be detected. According to "synthetic material runway surface standard" (GB14833-2011), to harmful substances in the plastic track surface of the test items, benzene,[url=[第一私募论坛]http://www.simu001.cn]kingdragon.it/category/sneakers-hogan/]sneakers hogan], toluene, xylene, toluene diisocyanate free and soluble heavy metals lead, cadmium, chromium ,HG. Among them.; x& B" H i# ^( d: D
a senior source said,[url=[第一私募论坛]http://www.simu001.cn]cnsf.it/category/hogan-outlet-roma/]hogan outlet roma], from the beginning of the 1990s,[url=[第一私募论坛]http://www.simu001.cn]digicar.it/hogan-donna/]hogan donna], the school will use the plastic runway. After seeing reports, Nanjing also has schools that would like to be detected on the runway. "But I do not know how to measure." Some parents said that if the plastic track is really a problem, is not to shovel out, that there is no substitute? answerJiangsu Provincial Department of Education said it would continue to urge the city and county education departments and universities do a good job of self-self plastic runway construction bidding.5 B) e! C2 ?4 j% W) _0 h
construction,[url=[第一私募论坛]http://www.simu001.cn]culligantotalhome.fr/category/doudoune-moncler-pas-cher/]doudoune moncler pas cher], supervision and environmental monitoring work. Aiming at sports venues around the plastic of the project more, with supervisors chemical expertise can not meet the needs of the situation, will increase this aspect of professional training with the relevant departments, including the provision of technical guidance and assistance to supervisors to ensure that all projects standard implementation.Original title: "Long March" Ya'an forum: tell the story of the hero's pursuit of the power of faithIn the Red Army "Long March" journey.' e6 @$ Z9 p4 @3 |3 V7 m
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