晨枫 发表于 2016-5-20 21:05' w- i o$ k8 N5 G
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。 ...
! n! ^3 f- L- A" h" r; KFor indoor air quality, CLT has been tested to determine the level / c" I9 `" g- q$ T- dand safety of the off gassing it produces. CLT glue lines were tested for) j3 o2 a3 `. O: _3 C* @
volatile organic compounds (VOCs), including formaldehyde emissions.# T/ _! d2 b2 U( O2 _" V
The VOCs as measured in a series of tests were found to be roughly one( H" g1 x9 W: j Q% t
parts per billion (ppb), well under the standard of 50 ppb deemed to be 0 R% ]0 S H1 ?& Z& d0 h5 q- z0 Va health hazard.2 ~+ r# e8 `' K& `3 M8 l) k' b
石工 发表于 2016-6-2 15:29. S/ j( t; Y/ x0 P) P- Y
For indoor air quality, CLT has been tested to determine the level A5 I6 t% W2 I& Y' E
and safety of the off gassing i ...
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CLT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。
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见过一个游泳池的房顶梁用这种材料做然后靠墙的部分全部腐烂了。好像是水蒸汽在棚顶凝结然后流倒最底初聚集,从而腐烂低处。。所以我看,这种材料不像他们所宣称的那样。不过到是看到很多新建的游泳馆都在用这种材料。估计以后会出大问题的,那天塌了死几个人,人们才会禁止使用这种材料在可能集水的地方。
石工 发表于 2016-6-3 05:29 2 x, y' r9 b: C0 hFor indoor air quality, CLT has been tested to determine the level " h' n s4 i8 B- n" a4 Rand safety of the off gassing i ...