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Braskem GM5240PR HDPE High Density Extrusion Polyethylene

Category Polymer , Thermoplastic , Polyethylene (PE) , HDPE , High Density Polyethylene (HDPE), Pipe Grade
Manufacturer Braskem
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Braskem GM5240PR HDPE High Density Extrusion Polyethylene.pdf
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Material Notes:
GM5240PR is a high-density polyethylene compound specially developed for the manufacturing of pipes, underground conduits, and steel pipe coating. This resin is produced with bimodal technology and shows excellent mechanical properties and resistance to stress cracking. GM5240PR contains carbon black pigment that protects it against ultraviolet radiation action and photodegradation. Its applications include: triple-layer coating for metallic pipes, localized irrigation pipes, and ducts for mining.
Physical Properties Metric English Comments
Density 0.957 g/cc
0.0346 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 0.55 g/10 min

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

@Load 4.76 lb,
Temperature 374 °F
ASTM-D1238
Mechanical Properties Metric English Comments
Hardness, Shore D 61
61
ASTM-D2240
Tensile Strength at Break 28.0 MPa
4060 psi
ASTM-D638
Tensile Strength, Yield 23.0 MPa
3340 psi
ASTM-D638
Elongation at Break 840 %
840 %
ASTM-D638
Elongation at Yield 9.9 %
9.9 %
ASTM-D638
Flexural Modulus, 1% Secant 980 MPa
142000 psi
ASTM-D790
Izod Impact, Notched 0.850 J/cm
1.59 ft-lb/in
ASTM-D256
Thermal Properties Metric English Comments
Deflection Temperature at 0.46 MPa (66 psi) 68.0 °C
154 °F
ASTM-D648
Vicat Softening Point 121 °C

@Load 1.02 kg
250 °F

@Load 2.25 lb
ASTM-D1525
Component Elements Properties Metric English Comments
Carbon, C 2.4 %
2.4 %
Black Content; ASTM-D1603
Descriptive Properties Value Comments
UV Absorption Coefficient (Abs/cm) > 3000
ASTM-D3349
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