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For indoor air quality, CLT has been tested to determine the level ! l& h; L. ~; M4 s% }' ]and safety of the off gassing it produces. CLT glue lines were tested for : g% J. p, N' P; W \volatile organic compounds (VOCs), including formaldehyde emissions./ A0 ?5 s" a# x' m$ M1 W
The VOCs as measured in a series of tests were found to be roughly one0 V5 J D2 B6 R& Y( F! \
parts per billion (ppb), well under the standard of 50 ppb deemed to be . a. |/ V0 U7 b7 r1 M$ D' m( ta health hazard. ; c) F5 @! n/ Z& w/ D & F) ~) Z3 E: c! I3 g8 E& k0 Rsource: 6 {; U7 }, l1 k) m6 r( [CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA1 n+ d# W9 w: ^2 ? http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 8 U& g! J2 o7 I! zFor indoor air quality, CLT has been tested to determine the level7 q% B$ ]5 I. K8 A. d# L
and safety of the off gassing i ...
石工 发表于 2016-6-3 05:29 8 U4 ?+ J/ O: F5 b& r3 b# ?For indoor air quality, CLT has been tested to determine the level6 j7 ?6 o- E* F7 E8 {
and safety of the off gassing i ...
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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。