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For indoor air quality, CLT has been tested to determine the level* m7 B2 _) A4 t& J' E1 m! Q
and safety of the off gassing it produces. CLT glue lines were tested for 7 x) G5 K# e$ dvolatile organic compounds (VOCs), including formaldehyde emissions. 9 O) `9 S4 x4 a: `+ y$ FThe VOCs as measured in a series of tests were found to be roughly one b3 Q+ x' p+ T/ C' e6 j
parts per billion (ppb), well under the standard of 50 ppb deemed to be' s1 m4 @+ `5 p& N
a health hazard. ' `( T% Z6 T9 C% O* c* t $ c4 a/ p, H# ~source: + t" Q9 ~2 J8 kCROSS-LAMINATED TIMBER IN BRITISH COLUMBIA 6 A4 o! B9 J2 K% G2 jhttp://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 . Y. h' ]; _) W4 d0 A- XFor indoor air quality, CLT has been tested to determine the level6 x( w) M {$ W+ g" G
and safety of the off gassing i ...
本帖最后由 fish97 于 2016-6-3 14:00 编辑 & D* u6 Y" V/ B0 R0 ?8 C R
石工 发表于 2016-6-3 05:29! g L! ?- N- ?; R* e) O- p
For indoor air quality, CLT has been tested to determine the level 0 w% F/ L$ R% i, D# M( b. Aand safety of the off gassing i ...
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6 E. s$ a% Z" U7 O60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。