+ [5 R% p) i# L5 `. GFor indoor air quality, CLT has been tested to determine the level 6 v' k% g$ L# |. h3 ~. pand safety of the off gassing it produces. CLT glue lines were tested for; H( ^0 B6 U7 ~* |5 A3 ?; ^4 e
volatile organic compounds (VOCs), including formaldehyde emissions. y" U- D9 y- Q' n3 t
The VOCs as measured in a series of tests were found to be roughly one # p* \/ F" _' a& x ~/ R# Mparts per billion (ppb), well under the standard of 50 ppb deemed to be 1 N" K# i" ]( ^. C P1 da health hazard. 3 s) _7 C8 c/ `# K5 V + D! b; M1 M+ b9 O" t) usource:5 f2 Q; |# s& ^( [. N' L+ q3 r CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA & `( A6 p4 E& v D* T/ uhttp://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29, Y a- v: Q3 I9 X) {& k: j/ g
For indoor air quality, CLT has been tested to determine the level0 J& r: C, c0 r# L! ~4 a; J
and safety of the off gassing i ...
. N* G/ m s x: X- U. r6 `2 y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。
石工 发表于 2016-6-3 05:29 3 g$ L* c. E% m. r+ ~0 JFor indoor air quality, CLT has been tested to determine the level , Y: ?+ G: S, _8 a5 b2 zand safety of the off gassing i ...