TA的每日心情 | 奋斗 2019-7-13 03:21 |
|---|
签到天数: 3 天 [LV.2]筑基
|
2 }% _9 \0 _$ Z# b, g2 W7 p
For indoor air quality, CLT has been tested to determine the level
* y2 A" w4 M' E% [: I" Nand safety of the off gassing it produces. CLT glue lines were tested for( m x* d" O7 A1 s' U6 I
volatile organic compounds (VOCs), including formaldehyde emissions.0 {/ B7 }; x+ |8 |1 Z+ w: _
The VOCs as measured in a series of tests were found to be roughly one* \' ]. B8 T5 U& Q& h
parts per billion (ppb), well under the standard of 50 ppb deemed to be
& B- \9 R" b" h! N; r" ga health hazard.
8 E# O- r2 _, |5 e6 L& {3 ~4 L
) y0 N+ k+ f& A* L x9 x! ysource:
/ \3 q+ s8 e% xCROSS-LAMINATED TIMBER IN BRITISH COLUMBIA
. S+ k3 v5 `1 U; Phttp://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf |
|