Braskem IB58 HDPE Injection Molding Polyethylene Copolymer

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Braskem IB58 HDPE Injection Molding Polyethylene Copolymer (discontinued **)
Categories:	Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Injection Molded
Material Notes:	IB58 is a high-density polyethylene, narrow molecular weight butene-1 copolymer produced by the solution process for injection molding applications. It offers good processability combined with good stiffness, impact strength, and stress crack resistance. It contains antioxidant additives. Its applications include: thin-wall articles, housewares, toys, food containers, and general purpose containers for indoor applications. IB58 has been developed for injection molding under conditions comparable to high-density polyethylene with a similar melt flow index. Recommended temperature profile: 160 to 230ºC.
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Physical Properties	Original Value	Comments

Density	0.958 g/cc	ASTM-D792
ESCR 100% Igepal®	<= 2.0 hour @Thickness 2.00 mm, Temperature 50.0 °C	0.3 mm notched-plaques; ASTM-D1693
ESCR 10% Igepal®	<= 1.0 hour @Thickness 2.00 mm, Temperature 50.0 °C	0.3 mm notched-plaques; ASTM-D1693
Melt Flow	35 g/10 min @Load 2.16 kg, Temperature 190 °C	ASTM-D1238

Mechanical Properties	Original Value	Comments
Hardness, Shore D	59	ASTM-D2240
Tensile Strength at Break	26.0 MPa	ASTM-D638
Tensile Strength, Yield	28.0 MPa	ASTM-D638
Flexural Modulus, 1% Secant	1230 MPa	ASTM-D790
Izod Impact, Notched	28.0 J/m	ASTM-D256

Thermal Properties	Original Value	Comments
Deflection Temperature at 0.46 MPa (66 psi)	77.0 °C	ASTM-D648
Vicat Softening Point	125 °C @Load 1.02 kg	ASTM-D1525

**
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PBRAS901 / 106747

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