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Braskem GM7746C HDPE Blow Molding Polyethylene

Category Polymer , Thermoplastic , Polyethylene (PE) , HDPE , High Density Polyethylene (HDPE), Blow Molding Grade
Manufacturer Braskem
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Braskem GM7746C HDPE Blow Molding Polyethylene.pdf
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Material Notes:
GM7746C is a high-density polyethylene specially developed for the manufacturing of blow molding fuel tanks. It has high molar mass and excellent mechanical properties. It also shows excellent tenacity, high resistance to stress cracking, and outstanding impact resistance. Its applications include: mono and multilayer fuel tanks for automobiles, small volume automotive reservoirs, and sheet extrusion for pickup rear protectors.
Physical Properties Metric English Comments
Density 0.944 g/cc
0.0341 lb/in³
ASTM-D792
ESCR 100% Igepal® >= 1000 hour

@Thickness 2.00 mm,
Temperature 50.0 °C
>= 1000 hour

@Thickness 0.0787 in,
Temperature 122 °F
0.3 mm notched-plaques; ASTM-D1693
Melt Flow 4.5 g/10 min

@Load 21.6 kg,
Temperature 190 °C
4.5 g/10 min

@Load 47.6 lb,
Temperature 374 °F
ASTM-D1238
Mechanical Properties Metric English Comments
Hardness, Shore D 62
62
ASTM-D2240
Tensile Strength at Break 42.0 MPa
6090 psi
ASTM-D638
Tensile Strength, Yield 23.0 MPa
3340 psi
ASTM-D638
Elongation at Break 880 %
880 %
ASTM-D638
Elongation at Yield 13 %
13 %
ASTM-D638
Flexural Modulus, 1% Secant 890 MPa
129000 psi
ASTM-D790
Izod Impact, Notched 7.60 J/cm
14.2 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
Vicat Softening Point 126 °C

@Load 1.02 kg
259 °F

@Load 2.25 lb
ASTM-D1525
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