晨枫 发表于 2016-5-20 21:05 ' L# w% Q2 D! l' K' ^这是防白蚁危害的。也真是因为这些化学处理,我对CLT的长期安全性有怀疑,缓慢释放出来对人体不好。 ...
; g& l: n' v8 w) T- ~8 GFor indoor air quality, CLT has been tested to determine the level/ C! P* e. b" X- ~4 k; {3 \
and safety of the off gassing it produces. CLT glue lines were tested for2 G% l& i/ S1 C T! C4 h1 Q7 e
volatile organic compounds (VOCs), including formaldehyde emissions.- I. O, D. l. s9 J* A
The VOCs as measured in a series of tests were found to be roughly one ! N N$ \9 q% g# H; L2 F- vparts per billion (ppb), well under the standard of 50 ppb deemed to be# f; { T! @3 Z# R) P: q$ a5 Y( y
a health hazard. * G- `: s$ W" P* U& |7 u! j& C* q / ]& x* h0 [6 f# X$ p3 osource:2 `/ ~' @" D) m' d# j5 Y& { CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA 0 S# N) Y7 f4 Y2 R, U/ [http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 3 t _. |! A) {8 nFor indoor air quality, CLT has been tested to determine the level& Y" o# N. B: b; c! y8 `
and safety of the off gassing i ...
石工 发表于 2016-6-3 05:296 I: l2 U% O8 x
For indoor air quality, CLT has been tested to determine the level2 e5 x5 B |+ s) c4 D8 L
and safety of the off gassing i ...
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60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。