Alternative and trade names
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METALEN APE-1 is polyethylene manufactured from a blend of linear polyethylene and high-density polyethylene by reactive extrusion, containing grafted functional groups of maleic anhydride with nano-tructuring by organo-modified montmorillonite on modern equipment, in cutting-edge process by METACLAY CJSC. METALEN APE-1 has high adhesive activity to both polyethylene and epoxy layers in three-layer pipe coating. It is notable for its heating stability, high hot-water resistance and unique flexibility at low negative temperatures. METALEN APE-1 meets the requirements of STO Gazprom 2-2.3-130-2007 and was qualified by Gazprom VNIIGAZ LLC (Conclusion No.313239949-113-2011) for the insulation of steel pipes of any execution class with the temperature of up to +80°C”.

This material data has been provided by METACLAY .

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

Ashby charts





23.0 °C

0.92 - 0.94 g/cm³

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ISO 1183/ISO 1872-2B




23.0 °C

600 %

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Min., ASTM D 638, 50 mm/min

Tensile strength

23.0 °C

18 MPa

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Min., ASTM D 638, 50 mm/min



Brittleness temperature

-70 °C

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Max., ASTM D746

Melting point

125 °C

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Min., ISO 3146

Vicat softening temperature

90 °C

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Min., ISO 306 A-50, ASTM D 746

Rheological Properties


Melt mass-flow rate

1.4 - 2.2 g/10min

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ISO 1133, 190°С/2.16kg

Technological properties

Application areas

METALEN APE-1 is recommended for the top coat of pipe insulation by side or circular (longitudinal) extrusion.

Processing methods

METALEN APE-1 is recommended to be processes on extruders with a flat or circular die. METALEN APE 1 ensures good processability in wide temperature range. The below conditions may be used when starting the extruder: Barrel: 190–230°C, Head: 190–230°C, Die: 220–225°C, Melt temperature: 220–225°C. Definitive processing recommendations may only be given when the specific material application and the equipment type used are known.