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Ethylene is obtained in the pyrolysis of hydrocarbons and is then separated from the pyrolysis gas mixture by low-temperature distillation.


Ethylene is used for manufacturing polymers such as polyethylene (PE), polyethylene terephthalate (PET), polyvinyl chloride (PVC) and polystyrene (PS), as well as fibres and other organic chemicals.


Parameter Unit Value Testing method
Ethylene content, min. % (m/m) 99.95 ASTM D 6159
Content of propane and C3 + hydrocarbons, max. ppm (m/m) 50 ASTM D 6159
Acetylene content, max. ppm (m/m) 2* ASTM D 6159
The content of C3 and C4 olefins, max. ppm (m/m) 5 ASTM D 6159
Water content, max. ppm (m/m) 10 ASTM D 5454
Content of dienes, max. ppm (m/m) 2* ASTM D 6159
Methanol content, max. ppm (m/m) 10 ORLEN Laboratorium nr 085
Carbon monoxide content, max. ppm (m/m) 2* ASTM D 2504
Carbon dioxide content, max. ppm (m/m) 5 ASTM D 2505
Hydrogen content, max. ppm (m/m) 8 ASTM D 2504
Total sulfur content, max. mg/kg 2.0 ASTM D 6667

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Bartosz Kaczorowski



+48 887 081 274


Marta Rosuł

ORLEN Unipetrol


+48 24 256 66 16
+48 691 991 378


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