; P u$ V- Q4 O1 ~6 J+ f; D% a. V' ]For indoor air quality, CLT has been tested to determine the level 8 [, O! S# `* z4 t) ?& G nand safety of the off gassing it produces. CLT glue lines were tested for / S8 o- M' B1 u& q2 Z5 ivolatile organic compounds (VOCs), including formaldehyde emissions. 4 f6 H ^( H7 g. DThe VOCs as measured in a series of tests were found to be roughly one9 G; P' i8 z7 c- ^
parts per billion (ppb), well under the standard of 50 ppb deemed to be ( R0 L! j4 k2 ~7 [a health hazard.7 b% H+ w6 J7 H2 i
石工 发表于 2016-6-2 15:29 2 c9 t. {( b0 [0 e% l& }% v' y K: FFor indoor air quality, CLT has been tested to determine the level " e; R) l' ^: X) Iand safety of the off gassing i ...
东湖珞珈 发表于 2016-5-19 00:354 U7 Q, C* b) D }& T
除了他说的那些传统隔热方法外,现在还流行框架做好了之后喷射泡沫剂,凝固之后就成了一道隔热层,从天花 ...
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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 : x, ?) H. M. y% A7 v* G( R2 C
石工 发表于 2016-6-3 05:295 }! A. G! f5 e( A
For indoor air quality, CLT has been tested to determine the level- t) t/ X- H% A# c$ V& ~
and safety of the off gassing i ...
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' F. ?7 A1 D' Z; I2 u& r; j9 H60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。