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
. p5 u4 A3 [# ~* |7 I/ S, e7 U; |& s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。 ... / ?9 b5 m; Z" M6 f4 s( _- `
For indoor air quality, CLT has been tested to determine the level9 W$ V# x- i9 G& F) j
and safety of the off gassing it produces. CLT glue lines were tested for% @& E: m0 V5 @ h9 g2 E3 O
volatile organic compounds (VOCs), including formaldehyde emissions.
& i& g: g/ R* f6 XThe VOCs as measured in a series of tests were found to be roughly one. `" M# Q' N r' m, ~( z* s
parts per billion (ppb), well under the standard of 50 ppb deemed to be
$ N' r S P* ]1 N. _5 D9 ca health hazard.+ r8 s9 h1 }: N* I- F
, u# N+ |/ U3 @0 Y7 osource:
9 I& J" p7 j4 T9 c$ k+ ?2 m7 ACROSS-LAMINATED TIMBER IN BRITISH COLUMBIA/ M1 l1 \6 P1 L, {% z
http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf |
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