# M/ Q8 _% g' e% p# ~For indoor air quality, CLT has been tested to determine the level - ]( G# A5 l. @& M! Nand safety of the off gassing it produces. CLT glue lines were tested for " m/ G4 D9 T4 Z8 J/ l) uvolatile organic compounds (VOCs), including formaldehyde emissions.: n0 j" | L& X7 M, f/ _3 @' |
The VOCs as measured in a series of tests were found to be roughly one: T+ u6 H5 N6 T5 ]- }
parts per billion (ppb), well under the standard of 50 ppb deemed to be9 g0 S3 N2 m1 k' k' N9 K* ?; j
a health hazard. . N; l' k9 n* }) P6 _9 ~# ?; E ! M; ~8 g3 Z' g- B. D3 j" N: P2 osource:1 S! J" ?) Y, e& r8 a CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA % P' C) U! Y# B; q% khttp://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29: Y4 Q) Q2 c- a* t- v$ _
For indoor air quality, CLT has been tested to determine the level, D; R. e9 H/ E! e
and safety of the off gassing i ...
石工 发表于 2016-6-3 05:29 3 ~" k( ~6 h. ^6 X- q mFor indoor air quality, CLT has been tested to determine the level% q" I4 w# w7 |/ v8 e8 M* o0 e
and safety of the off gassing i ...
5 g; q; c, i) e& M
6 |& @/ [8 o) F4 t4 W
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。