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For indoor air quality, CLT has been tested to determine the level) W) ]0 t% M0 a! D! p1 W
and safety of the off gassing it produces. CLT glue lines were tested for ( E; \6 U' J1 ^volatile organic compounds (VOCs), including formaldehyde emissions. $ e& I1 _8 u) u) fThe VOCs as measured in a series of tests were found to be roughly one 6 Y" T7 d) ]. w& ]# s l5 [7 cparts per billion (ppb), well under the standard of 50 ppb deemed to be& r. J5 c/ B: Y
a health hazard. - m. u' I0 A0 W* e' p* k, w/ Y9 \/ M8 ^2 S" l) B
source: ; v' n1 c% J: {0 U) T& X6 ACROSS-LAMINATED TIMBER IN BRITISH COLUMBIA. G8 d) t9 i# n( V http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 8 }0 C) e0 _9 Z ~' B+ UFor indoor air quality, CLT has been tested to determine the level 3 }! i! ]# B* d' @and safety of the off gassing i ...
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CLT肯定是符合标准的,我只是对现行标准不大放心。treated wood在当年也是符合标准的。
石工 发表于 2016-6-3 05:29 0 K: H4 c4 W7 e8 O' [For indoor air quality, CLT has been tested to determine the level6 L {" j% R( {$ z
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。