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Bynel™ 4208

Bynel™ 4208 by Dow is an anhydride-modified, low density polyethylene (LDPE) grade with similar density and melt index values. Provides high interlayer adhesion between EVOH, polyamide, PE, ethylene copolymers and ionomers. Bynel™ 4208 is designed for processing by coextrusion method. Used in barrier bag-in-box films, large pouches for hospitals, restaurants or institutional uses, rigid containers and multi-layer ionomer/barrier constructions for packaging oil products. Complies with Food and Drug Administration Regulation 21 CFR 175.105.

Bynel™ 4208 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

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

0.4 g/10 min

(190°C/2.16kg)

ISO 1133

Density

0.91 g/cm³

ISO 1183

Extrusion Properties

Value & Unit

Test Condition

Test Method

Processing Temperature

< 260 °C

Adhesive Resin Temperature

210 - 235 °C

Feed Zone (with Nylon)

160 °C

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Bynel™ 4208

Bynel™ 4208 Properties

Physical Properties

Bynel™ 4208 Processing Guidelines

Extrusion Properties