PIR PREINSULATED DUCT SHEETS

ALPHA-PIR Panel

ALPHA-PIR panel consist of a formaldehyde free, CFC free, fiber free, high performance rigid thermoset Polyisocyanurate foam core faced on both sides with an extremely durable, protective, low vapor permeability 80 or 200 micron aluminium foil.

The aluminium foil is bonded to the foam core by heat reaction during the manufacturing process without using additional adhesives. The aluminium foil is lacquered with a factory applied corrosion resistant polymer coating.

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Availability: The panels are available in the thicknesses of 20 mm and 30 mm. The standard panel size is 4000 mm x 1200 mm.

Color: White foam core with silver facings.

Thermal conductivity: 0.022 W/m.K.

Density: The standard panel foam core density is 42 to 48 kg/cum. Higher foam core density of 50 to 55 kg/cum can be provided upon request.

Fire and smoke properties: Class 0 as per BS 476 parts 6 and 7, class A as per ASTM E 84, UL 723, NFPA 255 and NFPA 101.