Chevron Phillips Marlex® HHM 4903 High Density Ethylene Hexene Copolymer

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Chevron Phillips Marlex® HHM 4903 High Density Ethylene Hexene Copolymer
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Impact Grade
Material Notes:	High Density Ethylene Hexene Copolymer Customer Benefits: A high performance copolymer that can measure up to the most demanding application. Specifically formulated to provide toughness and durability, you can expect exceptional ESCR, excellent surface appearance, good melt strength, ease of processing. Applications: Blow molding items such as fuel tanks, seating, garbage cans, large industrial containers, sheet. Extruded items. Processing Recommendations: Blow Molding Stock Temperature: Upper Limit: 216°C, Lower Limit: 171°C Extrusion Melt Temperature: Upper Limit: 216°C, Lower Limit: 194°C Specification Data: ASTM D4976 - PE 235. ASTM D1248 - Type III, Class A, Category 5. FDA Regulation 177.1520 for food packaging at temperatures not exceeding 100°C. Sag Upper Limit: 36 cm, Lower Limit: 25 cm; 2 ft. X 4ft. X 125 mil thick blank heated to forming temperature. Data provided by Chevron Phillips Chemical Company, LP.
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Physical Properties	Metric	English	Comments

Density	0.949 g/cc	0.0343 lb/in³	ASTM D1505
Environmental Stress Crack Resistance	500 hour	500 hour	Condition B, F₅₀, ASTM D1693
ESCR 100% Igepal®	500 hour	500 hour	Condition A, F₅₀ (100% Igepal CO-630), ASTM D1693
Melt Flow	0.30 g/10 min	0.30 g/10 min	Condition 190/2.16; ASTM D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength, Yield	25.0 MPa	3630 psi	2 in per min; ASTM D638 Type IV
Elongation at Break	>= 600 %	>= 600 %	2 in per min; ASTM D638 Type IV
Flexural Modulus	1.171 GPa	169.8 ksi	ASTM D790

Thermal Properties	Metric	English	Comments
Brittleness Temperature	<= -118 °C	<= -180 °F	ASTM D746

Processing Properties	Metric	English	Comments
Processing Temperature	171 - 216 °C	340 - 421 °F	Blow Molding
	194 - 216 °C	381 - 421 °F	Extrusion

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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PCHEVM26 / 20316

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