Braskem GF4950HS HDPE Blow Molding Polyethylene Copolymer

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Braskem GF4950HS HDPE Blow Molding Polyethylene Copolymer
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Blow Molding Grade
Material Notes:	GF4950HS resin is a high-density polyethylene (HDPE), bimodal copolymer offering a combination of good processability and environmental stress crack resistance (ESCR). It is thus recommended for the production of containers, flasks, and bottles up to 30 liters for the transport of dangerous goods. Its applications include: bottles for agrochemicals; flasks for concentrated detergents and chemical products; reservoirs for wind-shield wipers; and air ducts.
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Physical Properties	Metric	English	Comments

Density	0.951 g/cc	0.0344 lb/in³	ASTM-D792
ESCR 100% Igepal®	480 hour @Thickness 2.00 mm, Temperature 50.0 °C	480 hour @Thickness 0.0787 in, Temperature 122 °F	0.3 mm notched-plaques; ASTM-D1693
ESCR 10% Igepal®	150 hour @Thickness 2.00 mm, Temperature 50.0 °C	150 hour @Thickness 0.0787 in, Temperature 122 °F	0.3 mm notched-plaques; ASTM-D1693
Melt Flow	0.21 g/10 min @Load 2.16 kg, Temperature 190 °C	0.21 g/10 min @Load 4.76 lb, Temperature 374 °F	ASTM-D1238
	20 g/10 min @Load 21.6 kg, Temperature 190 °C	20 g/10 min @Load 47.6 lb, Temperature 374 °F	ASTM-D1238

Mechanical Properties	Metric	English	Comments
Tensile Strength at Break	35.0 MPa	5080 psi	ASTM-D638
Flexural Modulus, 1% Secant	1100 MPa	160000 psi	ASTM-D790
Izod Impact, Notched	1.75 J/cm	3.28 ft-lb/in	ASTM-D256

Thermal Properties	Metric	English	Comments
Deflection Temperature at 0.46 MPa (66 psi)	70.0 °C	158 °F	ASTM-D648

Processing Properties	Metric	English	Comments
Feed Temperature	180 °C	356 °F
Rear Barrel Temperature	190 °C	374 °F
Middle Barrel Temperature	185 °C	365 °F
Front Barrel Temperature	180 °C	356 °F
Die Temperature	185 °C	365 °F

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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PBRAS884 / 106730

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