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For indoor air quality, CLT has been tested to determine the level & k/ O& i9 o! C0 i6 j2 ^and safety of the off gassing it produces. CLT glue lines were tested for3 a" [0 T- a) q. a5 T; Q7 ?
volatile organic compounds (VOCs), including formaldehyde emissions.8 g/ ~% R# N! Q& h3 c
The VOCs as measured in a series of tests were found to be roughly one& b8 k! L" [- U8 y$ a: D7 W
parts per billion (ppb), well under the standard of 50 ppb deemed to be8 q' z8 m3 B6 o8 T! k
a health hazard.2 d4 l6 G2 l. a9 I; `. i
石工 发表于 2016-6-2 15:29, b; @8 L9 e: P9 J: [
For indoor air quality, CLT has been tested to determine the level0 Y1 \2 Z7 z# t O9 P7 ?
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。
石工 发表于 2016-6-3 05:29 5 i; ^% K6 H5 V* G6 \; I7 rFor indoor air quality, CLT has been tested to determine the level ( T2 ~ n$ V+ Y$ I& p: Wand safety of the off gassing i ...
) T% d. x- b) n- D4 m( b3 r2 a ' ?! n6 }' P& H. `# k60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。