NC612

Vortex duct complies with australian standard3-zero nude core is made up of:1 layer metalised flm (outer layer)water based flame retardant adhesive1 layer of clear flm (inner surface)metalised core – un-insulated – general use: exhaust – ventilation systemsmetalised black innerfire ratedoperating temperature -20°c to +80°coperating pressure -190pa to +1200pa