晨枫 发表于 2016-5-20 21:05% P0 T' u( R" E. y/ 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。 ...
2 \# A1 Z" D# X0 X
For indoor air quality, CLT has been tested to determine the level 8 Z- [- {" }: Q; {/ J' y0 B& mand safety of the off gassing it produces. CLT glue lines were tested for 5 `; ^3 s/ S5 H) evolatile organic compounds (VOCs), including formaldehyde emissions." u, B+ b u. p
The VOCs as measured in a series of tests were found to be roughly one* T# ~$ [* x2 B; N& C0 E% q0 A2 ]
parts per billion (ppb), well under the standard of 50 ppb deemed to be * m( N$ q8 F8 A" f% G; j* T! Z# oa health hazard.% h2 J) h+ V5 e+ W: g# b9 f
8 r3 P) T2 t& W* w. k
source: " r. H: j& p! v1 f9 s% q9 M, vCROSS-LAMINATED TIMBER IN BRITISH COLUMBIA : J. k3 B# S2 ?http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 , ]0 d* c6 I @, `7 e' mFor indoor air quality, CLT has been tested to determine the level% A: G$ N, d+ R: r) d7 A7 S- M
and safety of the off gassing i ...
- P% r0 U, `6 T9 a2 o' k: I2 f. T
室内和室外用的材料是不一样的,室内用的是聚酰胺,这种东西稳定无毒。以前冰箱用的白色的泡沫是有致癌的东西放出来的。国内好像还在大量的应用,这边好像很难见到了,但在包装材料上还可以见到。。不过我个人始终对有机材料有怀疑,聚酰胺只不过结构更为稳定罢了,理论上应该还是有挥发的,只不过可能在现在仪器检测下限。另外FDA或官方机构的东西也不能全信,三聚氰胺就是FDA认为无毒的东西。我个人对有氮的有机化学物质和苯环类的东西始终用畏惧感。哈哈哈,我知道这不是科学的精神。
本帖最后由 fish97 于 2016-6-3 14:00 编辑 ! ]3 C% n g I! k- y) d, M% J; @
石工 发表于 2016-6-3 05:292 O3 p# Z& p8 K# S- _% T4 {
For indoor air quality, CLT has been tested to determine the level2 c6 V! _) L0 G ~/ v P* h" ^+ t2 r3 H
and safety of the off gassing i ...