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Bynel™ 50E571

Bynel™ 50E571 by Dow is an anhydride-modified, polypropylene (PP) grade with similar density and melt flow rates. Designed for processing by coextrusion method. Bynel™ 50E571 is used to adhere to PP, EVOH and polyamide and for applications in which EVOH or polyamide is melt coextruded with PP or PP copolymers. Complies with Food and Drug Administration Regulation 21 CFR 175.105.

Bynel™ 50E571 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

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

3.5 g/10 min

(230°C/2.16kg)

ISO 1133

Density

0.89 g/cm³

ISO 1183

Extrusion Properties

Value & Unit

Test Condition

Test Method

Processing Temperature

< 260 °C

Adhesive Resin Temperature

> 210 °C

Melt Temperature (with EVOH or EVA)

210 - 235 °C

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Bynel™ 50E571

Bynel™ 50E571 Properties

Physical Properties

Bynel™ 50E571 Processing Guidelines

Extrusion Properties