Table 5 Formaldehyde emission of BN and DB glulams with varied glue mixtures
From: Bonding strength of benuang and duabanga glulams using their barks as phenol formaldehyde-filler
Glue mixtures | BN | DB | ||
|---|---|---|---|---|
Formaldehyde emission (mg/l) | Performance class | Formaldehyde emission (mg/l) | Performance class | |
A | 0.104 | F**** | 0.094 | F**** |
B | 0.082 | F**** | 0.245 | F**** |
C | 0.133 | F**** | 0.315 | F**** |
D | 0.059 | F**** | 0.255 | F**** |