0 o4 q: l- l! KFor indoor air quality, CLT has been tested to determine the level1 g+ @/ l. K2 P5 q6 v$ } Q) d3 V1 F
and safety of the off gassing it produces. CLT glue lines were tested for % j$ \2 o# l/ G' j0 a' H7 ~7 xvolatile organic compounds (VOCs), including formaldehyde emissions. / E; d F8 w- ~4 {# cThe VOCs as measured in a series of tests were found to be roughly one5 V9 B( y# b" _% F+ `! t
parts per billion (ppb), well under the standard of 50 ppb deemed to be% c: p' g7 t1 Y# a5 ]
a health hazard. 1 @6 H& S6 l. p% G! p* M( O9 {- i9 _4 U; u4 `
source:) K, u+ b% L+ h8 b& B! m w& e CROSS-LAMINATED TIMBER IN BRITISH COLUMBIA2 A/ T7 x7 k. Y/ ] X http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 : E. \ B- ]2 R0 d. d2 }# qFor indoor air quality, CLT has been tested to determine the level ' M4 s2 p4 H( o* c& g$ hand safety of the off gassing i ...
& K" F/ s& |9 \( C. e; j5 x: x
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 J' J; u3 j, R b
For indoor air quality, CLT has been tested to determine the level 2 u3 y6 T! ^1 D1 _and safety of the off gassing i ...