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DOW™ LDPE 621I

Technical Datasheet | Supplied by Dow
DOW™ LDPE 621I is a low density polyethylene (LDPE) grade. Exhibits high melt strength and excellent bubble stability and provide chemical stability. Designed for foam and blown film extrusion applications. Possible applications are complex food packaging structures to shopping bags and coated paper boards, overwraps, consumer bags, heavy duty sacks, collation films, lamination films and agricultural films. Complies with U.S. FDA 21 CFR 177.1520 (c) 2.1, Canadian HPFB No Objection, EU, No 10/2011 and EU Directive 2011/65/EU (RoHS).
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Product Type
PE (Polyethylene) > LDPE
Physical Form
Pellets
Appearance
White

DOW™ LDPE 621I Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Specific Gravity
0.918 g/cm3
ASTM D792
Density, Base Resin
0.918 g/cm3
Dow method
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)
2.3 g/10min
(190°C/2.16 kg) 
ASTM D1238

DOW™ LDPE 621I Processing Guidelines

Extrusion Properties

Value & Unit
Test Condition
Test Method
Die Gap
40 mil
Melt Temperature
425 °F
Die Circumference
10 lb/hr/in.
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