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For indoor air quality, CLT has been tested to determine the level $ H* r) [ i: @3 v2 hand safety of the off gassing it produces. CLT glue lines were tested for 3 Q. o7 n9 q Kvolatile organic compounds (VOCs), including formaldehyde emissions.0 @2 @0 M- z& A8 E* E* ^2 Z* ?
The VOCs as measured in a series of tests were found to be roughly one% s! W% y7 O3 L
parts per billion (ppb), well under the standard of 50 ppb deemed to be) ~/ y4 u! ^- y6 D- p
a health hazard. 3 F- O& h& W1 ?- N& u, ?- {$ h% b1 K B8 e, Z
source: 1 l+ ^/ V3 R6 H9 H! z. gCROSS-LAMINATED TIMBER IN BRITISH COLUMBIA + t6 Y' ?0 g/ y$ T/ ]http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 2 r0 V, h0 |& H9 Q8 I; MFor indoor air quality, CLT has been tested to determine the level+ x4 O. q4 R) O/ J- o
and safety of the off gassing i ...
本帖最后由 fish97 于 2016-6-3 14:00 编辑 , r e8 j- V/ U4 I v
石工 发表于 2016-6-3 05:291 A, E4 f$ v# ~1 T1 r
For indoor air quality, CLT has been tested to determine the level3 e* b' Q9 e. T) _% S
and safety of the off gassing i ...
' B. H7 a5 `7 h# f1 Y * O. S: b7 M' [* J) J* w60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。