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For indoor air quality, CLT has been tested to determine the level ; p( O# Y; u" _! x" q* ^# iand safety of the off gassing it produces. CLT glue lines were tested for% p( z! f* B2 W0 g. r( ?7 {% m; t5 }
volatile organic compounds (VOCs), including formaldehyde emissions. 9 ?# G) F; g" v t' B9 s1 t' HThe VOCs as measured in a series of tests were found to be roughly one3 K9 b: m, _: U6 m8 m$ G' w
parts per billion (ppb), well under the standard of 50 ppb deemed to be- c. d/ Y4 f4 i, r% ?$ m: u) r3 H
a health hazard.- J+ s; c& {. ]
石工 发表于 2016-6-2 15:29 ; ?; _1 I" y/ r+ WFor indoor air quality, CLT has been tested to determine the level/ P0 p+ A5 w y! S5 B. H
and safety of the off gassing i ...
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室内和室外用的材料是不一样的,室内用的是聚酰胺,这种东西稳定无毒。以前冰箱用的白色的泡沫是有致癌的东西放出来的。国内好像还在大量的应用,这边好像很难见到了,但在包装材料上还可以见到。。不过我个人始终对有机材料有怀疑,聚酰胺只不过结构更为稳定罢了,理论上应该还是有挥发的,只不过可能在现在仪器检测下限。另外FDA或官方机构的东西也不能全信,三聚氰胺就是FDA认为无毒的东西。我个人对有氮的有机化学物质和苯环类的东西始终用畏惧感。哈哈哈,我知道这不是科学的精神。
石工 发表于 2016-6-3 05:29; V2 P3 I" w% F3 h2 I$ G4 D8 T( H
For indoor air quality, CLT has been tested to determine the level8 e3 b% m) A8 Z$ }) k; Z
and safety of the off gassing i ...
' t0 D( w9 f O& a o/ W% ? ( @' z( K- j: W% l) r* j K60年代这边还很时兴喷聚尿醛泡沫,后来就是因为有formaldehyd释放而弃用了。