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ISOPLAS P381

Technical Datasheet | Supplied by Micropol

ISOPLAS P381 by Micropol is a flexible crosslinkable polyethylene (XLPE / PEX) grade. Is an easy to process grade, providing exceptional resistance to large temperature changes, high pressure loading, UV light and contact with aggressive chemicals. Offers improved resistance to heat- , oxidation- , weathering- , permeation- and environmental stress crack even at elevated temperatures. Exhibits improved low temperature and long term strength, at elevated temperature. Designed for pipe extrusion method. ISOPLAS P381 is recommended for manufacturing of underfloor heating pipes.

ISOPLAS P381 Properties

Thermal Properties

Value & Unit

Test Condition

Test Method

Thermal Conductivity

0.43 W/m.°C

ASTM D5930

Vicat Softening Temperature

123 °C

ASTM D1525, ISO 306

CTE, Linear, Parallel to Flow

2.0 ×10^-4 per °C

(at +20°C)

ASTM D696

Extrusion Properties

Value & Unit

Test Condition

Test Method

L/D Ratio

= 25:1 -

Line Speed (10-30m/min pipes on output 50-200 kph)

10 - 20 m/min

Head and Die Temperature

190 - 210 °C

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ISOPLAS P381

ISOPLAS P381 Properties

Thermal Properties

ISOPLAS P381 Processing Guidelines

Extrusion Properties