! N- W; e3 F9 r0 Q! c7 G7 ~2 b5 oFor indoor air quality, CLT has been tested to determine the level 0 q, m y& y2 cand safety of the off gassing it produces. CLT glue lines were tested for0 v3 _! I& X0 Q% `8 C- b: i8 u
volatile organic compounds (VOCs), including formaldehyde emissions./ _/ H: [; E, S% q9 Y
The VOCs as measured in a series of tests were found to be roughly one+ ]" {( X! N3 ]2 d* z2 [) S
parts per billion (ppb), well under the standard of 50 ppb deemed to be( }% m" j) k9 W6 ]; n) n
a health hazard.- f2 G% {( J3 ]1 e
F; `+ V# y6 s7 j
source:3 T9 \+ K9 h7 ^. s0 N1 P CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA: D% `: h- `4 `2 A9 \* _6 u http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 4 ?# a7 g/ e- _' w7 p3 gFor indoor air quality, CLT has been tested to determine the level3 g$ c0 |8 D; h1 h" x
and safety of the off gassing i ...
本帖最后由 fish97 于 2016-6-3 14:00 编辑 * B% N! d. C s; H7 j
石工 发表于 2016-6-3 05:29' C8 C& v4 K( Z9 r$ ^8 X: q
For indoor air quality, CLT has been tested to determine the level& g# |6 E+ Y3 e# C+ C0 A
and safety of the off gassing i ...
% u2 d1 m" c: ^8 ?9 G% B5 Q5 S0 G" Z+ s( }( C3 r
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。