Ineos CAP508US2 high density bimodal polyethylene copolymer

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Ineos CAP508US2 high density bimodal polyethylene copolymer
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Injection Molded
Material Notes:	CAP508US2 is a high density bimodal polyethylene copolymer intended for the injection and compression molding of closures for beverages. Because of its high purity and excellent organoleptic properties, this grade is certified as low taste and is intended for packaging in direct contact with beverages. CAP508US2 exhibits excellent stress crack resistance needed for the production of closures intended for packaging of carbonated drinks. CAP508US2 contains a slip package for lower cap removal torques and improved capping performance. This material meets the Food and Drug Administration requirements of 21CFR 177.1520. Applications: Injection & Compression Molding. Closures for the packaging of carbonated beverages and sparkling water. Use in high-demanding applications such as warm climates. Use in reduced weight cap designs. Features: Outstanding stress cracking resistance. Good processing performance. Information provided by INEOS
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Physical Properties	Metric	English	Comments

Density	0.953 g/cc	0.0344 lb/in³	ASTM D4883
ESCR 100% Igepal®	>= 3000 hour	>= 3000 hour	ASTM D1693B
ESCR 10% Igepal®	>= 500 hour	>= 500 hour	ASTM D1693B
Melt Flow	1.7 g/10 min @Load 2.16 kg, Temperature 190 °C	1.7 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	26.0 MPa	3770 psi	2 in/min.; ASTM D638
Elongation at Break	>= 600 %	>= 600 %	2 in/min; ASTM D638
Flexural Modulus	1.38 GPa	200 ksi	Tangent; ASTM D790
Izod Impact, Notched	1.17 J/cm	2.19 ft-lb/in	ASTM D256

Compliance Properties	Metric	English	Comments
FDA	Yes	Yes	21CFR 177.1520

Descriptive Properties
Molecular Weight Distribution	Bimodal		INEOS Method

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PINEOS860 / 291466

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