晨枫 发表于 2016-5-20 21:05- B. |- E4 ]9 T
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。 ...
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For indoor air quality, CLT has been tested to determine the level 9 g; t$ q' x: @9 `/ t+ f. Land safety of the off gassing it produces. CLT glue lines were tested for p" ^' [6 x* N" G5 z, t6 q0 cvolatile organic compounds (VOCs), including formaldehyde emissions.1 w: [' R! e$ p% K% }- {; M
The VOCs as measured in a series of tests were found to be roughly one9 s9 j+ R! e( Q; p
parts per billion (ppb), well under the standard of 50 ppb deemed to be 8 G/ W: Q- b; `8 p1 F. u( {1 z# n% B/ Ta health hazard. P$ e+ T/ q2 ^' k8 b. B' L8 h3 o" q W9 k. Q9 `
source: 6 |2 m. m, O7 A' k& D5 zCROSS-LAMINATED TIMBER IN BRITISH COLUMBIA % J) [2 N3 u$ Mhttp://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29* P. K4 Q+ w7 b
For indoor air quality, CLT has been tested to determine the level & y0 @- ?8 e* }( O6 ~1 }6 eand safety of the off gassing i ...
* t" u+ Q: M a1 B$ ZCLT肯定是符合标准的,我只是对现行标准不大放心。treated wood在当年也是符合标准的。
石工 发表于 2016-6-3 05:29 2 D8 O8 D( N* C4 S W6 L' VFor indoor air quality, CLT has been tested to determine the level / R4 e+ e& N. R/ Band 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。