Celanese AT 472 Low Density Polyethylene (LDPE)

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Celanese AT 472 Low Density Polyethylene (LDPE) (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); Low Density (LDPE); Low Density Polyethylene (LDPE), Molded
Material Notes:	AT 472 is a multi-purpose resin that provides superior performance in low speed, low neck in extrusion coating applications. It is also well suited for blending, injection molding, and profile extrusion applications. This polymer may be processed on conventional extrusion equipment. A melt temperature in the 290-330°C range is recommended for this resin. AT 472 resin may be safely used as articles or components of articles intended for uses in contact with food as provided in FDA regulation 21 CFR 177.1520 - Olefin polymers, and its specifications 2.2, subject to extraction limitations on the finished food-contact article as specified in that regulation. Applications: Extrusion Coating & Laminating; Molding & Miscellaneous Information provided by Celanese Corporation.
Key Words:	low speed, low neck in extrusion coating applications
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Physical Properties	Metric	English	Comments

Density	0.917 g/cc	0.0331 lb/in³	AT Plastics PTM-03
Thickness	>= 10.0 microns	>= 0.394 mil	Coating Thickness
Melt Flow	6.6 g/10 min @Load 2.16 kg, Temperature 190 °C	6.6 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238
Coating Weight	9.60 g/m²	6.00 lb/ream

Mechanical Properties	Metric	English	Comments
Hardness, Shore A	94	94	ASTM D2240
Hardness, Shore D	50	50	ASTM D2240
Tensile Strength at Break	11.0 MPa	1600 psi	Type IV (50 mm/min); ASTM D638
Elongation at Break	550 %	550 %	Type IV (50 mm/min); ASTM D638
Flexural Modulus, 1% Secant	230 MPa	33400 psi	ASTM D790

Thermal Properties	Metric	English	Comments
Vicat Softening Point	86.0 °C	187 °F	ASTM D1525

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	See notes for details.

Descriptive Properties
Line Speed ft/min	< 700

**
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