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ISO GUM in expanded elastomer

Composition
 
Uses
Thermic insulation for both hot and cold water piping.
Features a steam barrier to prevent the formation of condensation on cold piping. Supplied in 2-metre-long bars.
For external installation, provide suitable protection against bad weather and UV rays.
For underground installations, provide suitable protection against humidity and direct contact with the ground (the use of an external sheath is recommended).

Construction
Obtained by extrusion of elastomer (expanded synthetic rubber) with closed cell.

Technical data
Operating temperature range: + 110°C÷- 40°C
Thermic conductivity at 40 °C: 0.040 W/m °C
Density: 60 ± 20 kg/m³
Reaction class to fire: 1 (UNI 9177) - BL-s3-d0 (EN 13501-1)
Resistance to diffusion of water vapour: (µ) = 7000
Designation code (EN 14304): FEF - EN 14304-ST(+)110-ST(-)40-MU10000-WS01-CL500-pH7

Installation
In consideration of the possible variations in length related to the fluid temperature fluctuations, it is advisable to compress the insulating pipe by about 5 cm per metre and either glue or tape the junctions between two sections.

CE
EN 14304

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