& Q; H' x! O4 r# R- Q
For indoor air quality, CLT has been tested to determine the level) V2 l% s) U2 W8 x+ Z
and safety of the off gassing it produces. CLT glue lines were tested for + ~4 Q' r$ p9 H' I- yvolatile organic compounds (VOCs), including formaldehyde emissions. 4 ^4 `/ S5 Z8 u# dThe VOCs as measured in a series of tests were found to be roughly one , Z) ?* J- T7 j* Fparts per billion (ppb), well under the standard of 50 ppb deemed to be ; Z% A3 H \/ C) s$ ca health hazard. - Z5 M! y8 T9 l / \+ y9 N3 y( e" ]8 Qsource:; b$ S9 R6 }* _+ f3 q G CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA L; t- P1 g$ i$ q, M& N8 B' ]http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 ( ^6 O& N0 O" m, B2 M. q. [For indoor air quality, CLT has been tested to determine the level* G4 G- O; A; R4 k# C3 A; R: q
and safety of the off gassing i ...
* L+ _% n3 X D# z7 vCLT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 9 ~/ {8 S6 I2 U) QFor indoor air quality, CLT has been tested to determine the level 3 z' M- t4 D7 N, _6 y, L* o. O7 r, uand safety of the off gassing i ...