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Ensinger PEI

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Petromont 7002 Medium Density Polyethylene Resin  (discontinued **)
Categories: Polymer; Thermoplastic; Polyethylene (PE); High Density (HDPE); High Density Polyethylene (HDPE), Injection Molded; Medium Density (MDPE)

Material Notes: Petromont HDPE 7002 is a medium-density polyethylene hexene modified resin with an excellent balance of chemical resistance and durability. It is designed to be readily processed by flat die extrusion equipment.

Petromont HDPE 7002 is an unpigmented polyethylene compound which, after proper incorporation of carbon black, may be used for geomembrane applications, such as liners for landfills and surface impoundments, where polyethylene is the material of choice. Comprehensive information on such facilities is available in documents issued by the U.S.A EPA.

When Petromont HDPE 7002, containing sufficient stabilizers, is properly processed into sheet, installed and seamed, the resulting liner is expected to provide excellent resistance to aqueous chemicals and solvents as well as to stress cracking. Sheet made in this way from Petromont HDPE 7002 can be expected to pass the physical property requirements of the GM-13 of GRI (Geosynthetic Research Institute) for Flexible Membrane Liners.

Key Words: Geomembrane, Cast Line Grade
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Physical PropertiesOriginal ValueComments
Density 0.9375 g/ccASTM D1505
Environmental Stress Crack Resistance >= 2000 hourF0; ASTM D1693/B
Oxidative Induction Time (OIT) >= 100 min200°C with oxygen in aluminum pan; ASTM D3895
Melt Flow 0.20 g/10 minI2; ASTM D1238/E
 20 g/10 minI21; ASTM D1238/F
 
Mechanical PropertiesOriginal ValueComments
Tensile Strength, Ultimate 31.0 MPaASTM D638
Tensile Strength, Yield 20.0 MPaASTM D638
Elongation at Break >= 850 %ASTM D638
Flexural Modulus 0.650 GPaASTM D790
 
Descriptive Properties
ProcessExtrusion

**
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