I'm green bio-basedTM Polyethylene - High Density
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STGF4950
STGF4950 Braskem Logo
STGF4950 is a high-density polyethylene copolymer, developed for the blow-molding segment. It shows well balanced properties between impact and stiffness, combined with high environmental stress cracking resistance and processability. The minimum biobased content of this grade is 60%, determined according to ASTM D6866.

Process: Compression Molding;Extrusion Blow Molding;

Application: Blow molding small volumes;Cosmetic packaging;Tissue and hygiene packaging;

Behavior Behavior
Melt Flow Rate (190°C/2.16kg)
0.34 g/10 min ASTM D 1238
Density
0.956 g/cm³ ASTM D 792
Melt Flow Rate (190°C/21,6kg)
28 g/ 10 min ASTM D 1238
Tensile Strength at Yield (a)
30 MPa ASTM D 638
More Details
Method
Units
Value
Tensile Strength at Break (a)
 ASTM D 638
 MPa
 30
Flexural Modulus - 1% Secant (b)
 ASTM D 790
 MPa
 1250
Tensile Impact Strength ISO at 23 °C
 ISO 8256
 kJ/m²
 110
Environmental Stress Cracking Resistance - notch 0,3 mm; 50°C; 10% Igepal CO630 (a)
 ASTM D 1693
 h/F50
 30
Deflection Temperature under Load at 0.455 MPa (b)
 ASTM D 648
 °C
 70
Vicat Softening Temperature at 10 N (b)
 ASTM D 1525
 °C
 127
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