И. Предварительно изолированные воздуховодов

Phenolic Foam GI Pre-insulated Duct comprise rigid Phenolic insulation foam faced on internal side with a protective 80 um aluminium foil and external side with Galvanized Iron. They are completely CFC and HCFC free, high intension,fire proof, especially suited for use in HVAC ductwork system. We also supply all kinds of tools and accessories needed for ductwork fabrication and installation. Specification: 1) Density: 50 - 60kg/m3 2) Dimensions: 3,900 x 1,200 x 20mm 3) Thermal conductivity: 0.02W/mK 4) Fireproof performance: BS476 Class O & ASTM E-84 Class A 5) Compressive strength: >137.7psi 6) Tensile strength: >61.4psi 7) Water absorption(% by volume): <0.25% 8)Water vapor transmission: <0.0585 9) Max. smoke density: 2% 10) Dimension stability: 0.3% 11) Working temperature: -260°Cto150°C Test Reports for aboved data are available.