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. 2021 Jan 30;13(3):441. doi: 10.3390/polym13030441

Table 2.

Characteristics of the petroleum crude oil used in this study.

Characteristics Value
Viscosity 4.6 mm2s−1 at 20 °C
Refractive index 1.5
American Petroleum Institute (API) gravity 42.7
Sulfur content 0.044%