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PEXIDAN® SX409NT

Technical Datasheet | Supplied by SACO AEI Polymers

PEXIDAN® SX409NT by SACO AEI Polymers is a silane cross-linkable polyethylene for medium voltage power cable insulation. It is suitable for processing by extrusion method. Its pre-grafted base mixed with a crosslinking catalyst masterbatch CM401 in the ratio 95:5. It has been specifically developed for cables operating up to 36kV. The graft compound contains a non-staining stabilizer and an effective tree retarder, giving outstanding long-term retention of dielectric strength. It is typically used in conjunction with cross-linkable semi-conducting material for conductor and insulation shields. Crosslinking is obtained by exposure to moist or hot water immersion only. PEXIDAN® SX409NT has a shelf life of at least 6 months.

PEXIDAN® SX409NT Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Density

0.928 g/cm³

(At 23°C)

BS EN ISO 1183-3

Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)

0.6 - 0.9 g/10 min

(At 190°C, 2.16 kg)

Internal Method

Extrusion Properties

Value & Unit

Test Condition

Test Method

Drying Temperature

60 - 80 °C

Drying Time

4 - 8 hr

Draw Down Ratio

< 3.5

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PEXIDAN® SX409NT

PEXIDAN® SX409NT Properties

Physical Properties

PEXIDAN® SX409NT Processing Guidelines

Extrusion Properties