Color-steel composite duct is the new generation product of Galvanized iron duct.Except having good rigidity and large strength of iron duct,Color-steel composite duct has the merits of sound absorption and noise reduction,heat preservation and insulation,no need of second preservation. In the inner of the duct is embossing aluminum foil,outer face is color-steel,This kind of duct overcomes the demer its of weak intensity,outer wall easily damaged of the previous ducts,promoting the merits of galvanized iron.Its service life is longer and elegant,making it looks more dignity.
Colorful steel duct
1)Light weight;
2)Long service life;
3)High intensity;
4)Heat insulation
1.Colorful steel duct have 3 types as follows:
1)Phenolic colorful steel ; 2) XPS corlorful steel; 3)Fiberglass colorful steel
2.Special specification can be customized as required.
3.Product features:
Fire-proof level(GB8624-1997): Level A of inflaming retarding
Density: 240-270Kg/m3
Water absorptivity: Less than 0.22%
Compressive intensity10%: 0.29Mpa