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For indoor air quality, CLT has been tested to determine the level+ O: P8 D) v$ R: g
and safety of the off gassing it produces. CLT glue lines were tested for: }; M. v/ x3 P9 @* L$ ]7 d
volatile organic compounds (VOCs), including formaldehyde emissions.: G$ o8 l) H0 E3 e- f J c
The VOCs as measured in a series of tests were found to be roughly one + s0 u3 S( _- m' mparts per billion (ppb), well under the standard of 50 ppb deemed to be+ W! ]4 D& t8 b
a health hazard.' u9 {3 h4 K1 u/ z2 J) c
石工 发表于 2016-6-2 15:29 7 a" A! d+ t% [* E& g% NFor indoor air quality, CLT has been tested to determine the level6 u3 H7 h5 z9 ?
and safety of the off gassing i ...
石工 发表于 2016-6-3 05:293 r9 C" h+ q1 B4 f4 ]6 M, e
For indoor air quality, CLT has been tested to determine the level ; V9 y' R" S& v: H4 D" [" Dand safety of the off gassing i ...
1 ^8 V) K; Y& _3 a. s: T. [) U/ ~* s( t% t7 P* k& Y: |
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。