TA的每日心情 | 奋斗 2019-7-13 03:21 |
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签到天数: 3 天 [LV.2]筑基
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晨枫 发表于 2016-5-20 21:05
# X) F6 ^! u, x: u- a) q& _# H* i) B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。 ... + f& e4 `/ v' ?) v* l& k! V
For indoor air quality, CLT has been tested to determine the level
" e# g* n: e( t7 q5 b7 V# Kand safety of the off gassing it produces. CLT glue lines were tested for
$ B. g& @' ]- S( a9 p8 rvolatile organic compounds (VOCs), including formaldehyde emissions.
v! N, h7 r$ P$ T' u& L' C# IThe VOCs as measured in a series of tests were found to be roughly one
1 @2 O' p8 S1 }& Q: T( e, f" h+ ~$ v6 {, Nparts per billion (ppb), well under the standard of 50 ppb deemed to be
5 h" n4 G! [* P7 Q( w2 aa health hazard.
& b$ Z7 a% I5 @. \5 C# r$ }- O" d( y$ [3 C8 H- F2 V
source:% T6 _6 Z* \1 ]5 B# ^
CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA h% T1 ~1 {( B
http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf |
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