; T+ n$ x) C3 ^0 Y0 dFor indoor air quality, CLT has been tested to determine the level ; @- O- v2 ]5 f6 n5 r/ Land safety of the off gassing it produces. CLT glue lines were tested for A. [" E, s* B2 G; d
volatile organic compounds (VOCs), including formaldehyde emissions.3 z# X9 K) y* b
The VOCs as measured in a series of tests were found to be roughly one2 w$ `" B* k2 X- {$ l3 S
parts per billion (ppb), well under the standard of 50 ppb deemed to be / Q1 W) P3 O4 q! Y7 V, d! fa health hazard.6 |: {8 @+ d7 x# ^$ r: S% S
石工 发表于 2016-6-2 15:29* h' u3 @3 s6 S7 F
For indoor air quality, CLT has been tested to determine the level $ o ~. w; i; Uand safety of the off gassing i ...
石工 发表于 2016-6-3 05:29! V& i" p9 C; b# q/ ^ s1 i
For indoor air quality, CLT has been tested to determine the level 9 p$ Z: M; ^& a+ d- ~' q0 Rand safety of the off gassing i ...
, F3 |$ O/ O8 f) ~1 n, M; _
. f# Y% I Z! Y( m60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。