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For indoor air quality, CLT has been tested to determine the level2 p: k9 ^* j: u5 [6 ]$ f4 z' `: _
and safety of the off gassing it produces. CLT glue lines were tested for9 {) F0 u' M- k) y
volatile organic compounds (VOCs), including formaldehyde emissions. 7 U& a/ L/ G2 p2 ?" n) S4 u% e- GThe VOCs as measured in a series of tests were found to be roughly one5 W6 s6 P$ s, i/ s% E( l9 K* D7 N
parts per billion (ppb), well under the standard of 50 ppb deemed to be5 ?9 z0 G& g, Z7 }* P
a health hazard.; I* r7 ?" y8 ] x. u3 y/ y" H* l
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source: |- x5 s2 P* WCROSS-LAMINATED TIMBER IN BRITISH COLUMBIA ) P4 P3 {# D- \ E3 u! f/ _http://www.naturallywood.com/sites/default/files/CLT-and-Dowling-Residence.pdf
石工 发表于 2016-6-2 15:29 % k" ~4 Z k6 V/ }0 g1 X; eFor indoor air quality, CLT has been tested to determine the level3 o$ q7 X6 j2 f. u
and safety of the off gassing i ...
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室内和室外用的材料是不一样的,室内用的是聚酰胺,这种东西稳定无毒。以前冰箱用的白色的泡沫是有致癌的东西放出来的。国内好像还在大量的应用,这边好像很难见到了,但在包装材料上还可以见到。。不过我个人始终对有机材料有怀疑,聚酰胺只不过结构更为稳定罢了,理论上应该还是有挥发的,只不过可能在现在仪器检测下限。另外FDA或官方机构的东西也不能全信,三聚氰胺就是FDA认为无毒的东西。我个人对有氮的有机化学物质和苯环类的东西始终用畏惧感。哈哈哈,我知道这不是科学的精神。
本帖最后由 fish97 于 2016-6-3 14:00 编辑 " t* {0 Z1 R. A8 h. q
石工 发表于 2016-6-3 05:29) k: \: e9 `1 c m8 J9 C& L, Q
For indoor air quality, CLT has been tested to determine the level ' T5 c; e6 H, Q5 \3 Xand safety of the off gassing i ...