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Borealis Borstar® MB7542 High Density Polyethylene for Injection Molding

Category Polymer , Thermoplastic , Polyethylene (PE) , HDPE , High Density Polyethylene (HDPE), Extruded
Manufacturer Borealis
Trade Name Borstar®
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Borealis Borstar® MB7542 High Density Polyethylene for Injection Molding.pdf
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Material Notes:
Borstar MB7541 is a bimodal, natural, high density polyethylene produced by the Borstar PE technology. Borstar MB7541 combines excellent organoleptic properties, Environmental Stress Crack Resistance (ESCR) and superior flow properties as well as good impact strength and toughness even at low temperatures. The grade is designated for the caps and closure market and contains lubricants for optimum opening torque of the cap. Excellent processability, also at low melt temperature, allows energy savings and faster cycle time. Borstar MB7541 is designed for injection and compression molding.Borstar ME7542 is recommended for products requiring good environmental stress crack resistance and/or organoleptic properties and impact strength. Typical applications are caps and closures for beverages, food and industrial packaging.Information provided by the Manufacturer.
Physical Properties Metric English Comments
Density 0.954 g/cc
0.0345 lb/in³
ISO 1183
ESCR 10% Igepal® >= 40 hour
>= 40 hour
ASTM D1693
Melt Flow 4.0 g/10 min

@Load 2.16 kg,
Temperature 190 °C
4.0 g/10 min

@Load 4.76 lb,
Temperature 374 °F
ISO 1133
Mechanical Properties Metric English Comments
Hardness, Shore D 61
61
ISO 868
Tensile Strength, Yield 22.0 MPa
3190 psi
At 50 mm/min; ISO 527-2
Elongation at Yield 10 %
10 %
At 50 mm/min; ISO 527-2
Tensile Modulus 0.850 GPa
123 ksi
At 1 mm/min; ISO 527-2
Tensile Impact Strength 80.0 kJ/m²
38.1 ft-lb/in²
At 23°C; ISO 8256/A1
Thermal Properties Metric English Comments
Deflection Temperature at 1.8 MPa (264 psi) 65.0 °C
149 °F
ISO 75-2
Processing Properties Metric English Comments
Melt Temperature 190 - 250 °C
374 - 482 °F
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