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Isoplas P381 – this flexible grade has been developed for use in under-floor heating pipes.

Polymer Name: Crosslinked Polyethylene (XLPE / PEX)

Processing Methods: Extrusion

End Uses: Pipes

Density: 944.0 - 944.0 kg/m³

Technical Data Sheet
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Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Density0.944g/cm³ISO 1183
Tensile Strength at Yield21MPaASTM D638
Elongation at Breakmin. 350%ASTM D638
Modulus of Elasticity900MPaASTM D638
Thermal Properties
ValueUnitsTest Method / Conditions
Melt Flow Index (190/5)2g/10 minISO 1133
Vicat Softening Point123°CASTM D1525
Specific Heat1.9kJ/kg.°CISO 11357
Thermal Conductivity0.43W/m.°CASTM D5930
Coefficient of Linear Expansion (20°C)2.0 x 10-4per °CASTM D 696