7 j+ w: u8 [$ r# @For indoor air quality, CLT has been tested to determine the level' x7 X( I$ J% Q0 z7 N* z' o7 l
and safety of the off gassing it produces. CLT glue lines were tested for+ Y$ T0 {9 a+ e5 c
volatile organic compounds (VOCs), including formaldehyde emissions. / o. n" q: U1 q! R5 s( GThe VOCs as measured in a series of tests were found to be roughly one3 e6 u5 F- @: w' x1 u
parts per billion (ppb), well under the standard of 50 ppb deemed to be , b; r2 ]3 q. e( D. xa health hazard. % L% K. D9 O& ^& G9 P6 G! h! c ' P H4 v; W7 r' [# D8 p4 Osource: 8 f; b8 }. i$ w1 C/ ?CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA - X/ Y. A7 F9 M! d0 p4 Q( }http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 , {/ l# ^. b: K' ]# fFor indoor air quality, CLT has been tested to determine the level/ E) Q6 o4 n8 F% [
and safety of the off gassing i ...
" \: f1 P( h* k g' b3 T C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! f$ G8 z( @6 y ?; w% \* o0 m
For indoor air quality, CLT has been tested to determine the level # U) t* T0 ?/ M' o1 d& Yand safety of the off gassing i ...
- f8 c' U( [+ r" n: W, z9 p) H: S \ . A X+ ^) l2 t, w9 U4 C& i' P60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。