$ o. {$ l& x ZFor indoor air quality, CLT has been tested to determine the level0 u* O* z6 C+ ^- l. T/ [
and safety of the off gassing it produces. CLT glue lines were tested for; b) _8 l, R, l4 M0 w8 n( W# f
volatile organic compounds (VOCs), including formaldehyde emissions." O0 | D' |. |6 S
The VOCs as measured in a series of tests were found to be roughly one9 o4 @' r8 g. a# T% v/ n( r. G
parts per billion (ppb), well under the standard of 50 ppb deemed to be : r4 ]: |+ e2 M( I$ s7 \0 |7 C9 qa health hazard. - q5 J- _9 Q; T5 I7 _9 V 8 Q' l7 e/ a* \6 g/ Psource: ! Y9 s: z' y- }1 U+ T- U% l) {8 gCROSS-LAMINATED TIMBER IN BRITISH COLUMBIA0 W7 Q. @ C9 i$ o http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 7 x. @) ~* ?" v3 u& h' ]' x7 `! qFor indoor air quality, CLT has been tested to determine the level 1 ]& z- X5 A! j; I: j' B- X {and safety of the off gassing i ...
& B% j. r0 R8 t5 t- b L* O9 KCLT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 05:290 k+ M" P; Z. o; ~0 k+ e5 {' m
For indoor air quality, CLT has been tested to determine the level/ O& ^! J3 X: z( E
and safety of the off gassing i ...
: h' |7 L$ g" L; g. ?* ~5 f, y1 J. d4 H) ~' d" \
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。