Petline’s “Marker” is a kind of chemical marker and added to liquid fuel at certain ratios. There are two types of “Markers”, the first one is those that give color to the liquid fuel when added, and the other is those that do not give color to the liquid fuel and affect the appearance of the liquid. Petline “Marker” is of the type that does not give color to the liquid fuel when added, and which is called the “invisible agent”. For this reason, it is impossible to understand whether the product contains marker or not at the first glance. Petline’s “Marker” is measured by testing petrol and diesel oil samples obtained from Petline stations with spectrophotometric site-type analyzers imported from USA by Petline site team and which are the best devices in the market in this respect.
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