HDPE METALEN PE-21

Alternative und Handelsbezeichungen
METALEN PE-21
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Description

METALEN PE-21 represents the nanocomposite material created using Monamet 1O4 nano-size active filler (in accordance with TU 2164-017-63341682-2014) introduced in a compound based on high-density polyethylene and a set of modifying additives. METALEN PE-21 compound contains a set of stabilizers of prolonged effect, ensuring long-term oxidative degradation resistance at increase operating temperatures. METALEN PE-21 meets the requirements for class 2-5 polyethylene compounds per STO Gazprom, 2-2.3-13-2007 “Technical requirements for factory-applied outer anti-corrosion polyethylene pipe coatings for construction, reconstruction, and overhaul of underground and offshore gas pipelines with the operating temperature of up to +80°C”.

Diese Materialdaten wurden von METACLAY zur Verfügung gestellt

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Ashby charts

Eigenschaften

Allgemein

PropertyTemperatureValueComment

Dichte

23.0 °C

0.94 - 0.965 g/cm³

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GOST 15139

Wasserabsorption

23.0 °C

0.06 %

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Max., GOST 4650, after 24 hours at 23°C

Mechanisch

PropertyTemperatureValueComment

Dehnung

-45.0 °C

100 %

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Min., GOST 11262

20.0 °C

600 %

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Min., GOST 11262

Zugfestigkeit

23.0 °C

24 MPa

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Min., GOST 11262

Thermisch

PropertyValueComment

Schmelzpunkt

122 - 137 °C

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ISO 11357-3

Rheological Properties

PropertyValueComment

Schmelzmassenflussrate

0.2 - 0.8 g/10min

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GOST 11645, MFR can be optimized

Technological properties

Property
Application areas

Anti-corrosion protective coating for main steel pipelines.

Fillers

Nano-size active filler

Processing methods

METALEN PE-21 compound is extrusion-applied directly to the pipe surface coated with epoxy primer. Temperature profile: Zone 1: 89°C, Zone 2: 218°C, Zone 3: 219°C, Zone 4: 228°C, Zone 5: 240°C, Zone 6: 245°C, Zone 7: 245°C, Zone 8: 246°C, Zone 9: 244°C, Zone 10: 244°C.