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Shell Chemicals meets the industry standard specification for styrene monomer - details in the table below.
|p-TBC (inhibitor)||mg/kg||10||15||ASTM D4590|
|Polymer Content||mg/kg||10||ASTM D2121|
|Aldehyde as Benzaldehyde||mg/kg||200||ASTM D2119|
|Peroxides as H2O2||mg/kg||100||ASTM D2340|
|Color, Pt-Co Scale||10||ASTM D1209|
Styrene monomer is inhibited with para-tertiary-butylcatechol, abbreviated as p-TBC. Special quality requirements can be made upon agreement.