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For indoor air quality, CLT has been tested to determine the level * n. C1 A5 H# yand safety of the off gassing it produces. CLT glue lines were tested for 0 b5 c7 N: ?! p qvolatile organic compounds (VOCs), including formaldehyde emissions. 8 S- h f/ f, J6 n: u9 J8 `( W; Z& I8 nThe VOCs as measured in a series of tests were found to be roughly one3 f) Z' g7 x) q" i$ l: G, a
parts per billion (ppb), well under the standard of 50 ppb deemed to be2 G9 X! ~1 c/ N
a health hazard.$ ]* |7 i2 A2 r. C* U3 I
石工 发表于 2016-6-2 15:29, v4 D0 }/ b2 {% J4 g
For indoor air quality, CLT has been tested to determine the level4 w" K6 h$ n' T+ U
and safety of the off gassing i ...
# v, m; d' f+ o9 E见过一个游泳池的房顶梁用这种材料做然后靠墙的部分全部腐烂了。好像是水蒸汽在棚顶凝结然后流倒最底初聚集,从而腐烂低处。。所以我看,这种材料不像他们所宣称的那样。不过到是看到很多新建的游泳馆都在用这种材料。估计以后会出大问题的,那天塌了死几个人,人们才会禁止使用这种材料在可能集水的地方。
本帖最后由 fish97 于 2016-6-3 14:00 编辑 1 ?' n# L& r. N# t+ l2 z
石工 发表于 2016-6-3 05:298 r, d/ _6 Z8 v9 c5 @7 W4 l+ N
For indoor air quality, CLT has been tested to determine the level 3 k2 B5 j/ y* C @and safety of the off gassing i ...
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60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。