Braskem America GM9450F

Braskem America GM9450F is a high-density polyethylene specially developed for the high molecular weight film extrusion segment, produced with bimodal technology. The films made from this resin exhibit remarkable tenacity and excellent impact resistance. Its wide molar mass distribution facilitates easier processing.

Polymer Name: High Density Polyethylene (HDPE)

Processing Methods: Blown Film Extrusion, Extrusion, Film Extrusion

Melt Flow Index: 9.3 - 9.3 g/10 min

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Properties

Physical Form
Control Properties
ValueUnitsTest Method / Conditions
Melt Flow Rate (at 190°C, 5kg)0.33g/10 minASTM D 1238
Melt Flow Rate (at 190°C, 21.6kg)9.3g/10 minASTM D 1238
Density0.952g/cm³ASTM D 792
Typical Properties - Blown Film Properties
ValueUnitsTest Method / Conditions
Tensile Strength (at Break, MD)85MPaASTM D 882
Tensile Strength (at Break, TD)45MPaASTM D 882
Elongation (at Break, MD)590%ASTM D 882
Elongation (at Break, TD)740%ASTM D 882
Tensile Strength (at Yield, MD)40MPaASTM D 882
Tensile Strength (at Yield, TD)30MPaASTM D 882
Elongation (at Yield, MD)15%ASTM D 882
Elongation (at Yield, TD)5%ASTM D 882
Elmendorf Tear Strength (MD)5gFASTM D 1922
Elmendorf Tear Strength (TD)50gFASTM D 1922
Dart Drop Impact Strength200g/F50ASTM D 1709/A
Secant Modulus 1% (MD)750MPaASTM D882
Secant Modulus 1% (TD)870MPaASTM D882
Sealing Initial Temperature125°CBraskem Method
Note

Typical Properties - Blown Film Properties: Film with 12.5 microns produce in a 75mm extruder with 1.3 mm of die gap and a blow‐up ra o of 4.5:1

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