Dow ATTANE™ 4402 Ultra Low Density Polyethylene, Cast Film Grade

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Dow ATTANE™ 4402 Ultra Low Density Polyethylene, Cast Film Grade
Categories:	Polymer; Film; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Very Low Density Polyethylene (VLDPE)
Material Notes:	ATTANE® 4402 copolymer is an ultra low density polyethylene having excellent tear and puncture resistance, and outstanding stretchability. It is designed for industrial/consumer cast film applications. It complies with FDA regulation 21 CFR 177.1520 (c) 3.1 for food contact. Film properties below based on a film thickness of 25 µm. Data provided by Dow Chemical.
Key Words:	ULDPE, VLDPE
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Physical Properties	Original Value	Comments

Density	0.912 g/cc
Thickness	25.0 microns
Melt Flow	3.3 g/10 min @Load 2.16 kg	Melt flow ratio I10/I2 is 7.7.

Mechanical Properties	Original Value	Comments
Film Tensile Strength at Yield, MD	6.90 MPa
Film Tensile Strength at Yield, TD	6.20 MPa
Film Elongation at Break, MD	580 %
Film Elongation at Break, TD	780 %
Elmendorf Tear Strength MD	400 g
Elmendorf Tear Strength TD	590 g
Elmendorf Tear Strength, MD	16.0 g/micron
Elmendorf Tear Strength, TD	23.6 g/micron
Dart Drop	18.4 g/micron
Film Tensile Strength at Break, MD	56.5 MPa
Film Tensile Strength at Break, TD	36.5 MPa

Thermal Properties	Original Value	Comments
Vicat Softening Point	90.0 °C

Optical Properties	Original Value	Comments
Haze	0.80 %
Gloss	95 %	45°

Processing Properties	Original Value	Comments
Processing Temperature	274 °C	Film extrusion temperature

Compliance Properties	Original Value	Comments
FDA	Yes

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PDW419 / 34488

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