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Marlex® 4517 Polyethylene

Technical Datasheet | Supplied by Chevron Phillips Chemical

Marlex® 4517 Polyethylene (Old Name: MarFlex® 4517) by Chevron Phillips Chemical is a low density polyethylene grade for extrusion coating application. It exhibits excellent processability, good water vapor transmission rate and good heat seal properties. Marlex® 4517 Polyethylene is used in liquid packaging, cup stock, folding carton, general paper and board coating packaging applications.

Marlex® 4517 Polyethylene Properties

Physical Properties

Value & Unit

Test Condition

Test Method

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

5.1 g/10min

(At 190°C, 2.16 kg)

ASTM D1238

Density

0.923 g/cm³

ASTM D1505

Water Vapor Transmission Rate (WVTR)

18 g/m²/day

(Testing performed on coated slip sheet at 14.4 lb/ream or 1.0 mil)

ASTM F1249

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