The coreboard of phenolic composite air duct is a new environmental protection material with light texture,heat preservation. The middle layer of the product is phenolic foam,outer and inner face is composite with embossing and aluminum foil.
phenolic composite air duct making with coreboard has the merits of light weight,easy making,clean and environmental protection,elegant and durable,non-toxic,heat preservation and sound insulation. This kind of duct is up to the fireproof standard of Level-A.
Product parameters
1 fire rating (GB8624-1997)
Flame Retardant Grade A
2, capacity 55-80kg / m3
3, thermal conductivity
24 at room temperature, product thermal conductivity is less than 0.022V / M · K
4, heat resistance -50 ~ 150 degree
5, compression strength of 10%: 0.29Mpa