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Simple process

In the traditional production process propylene glycol is made from propylene oxide reacted with water.

The resulting mixture of mono-, di- and tri-glycols is distilled to purify the different grades before being stored and distributed to customers.

Propylene glycol is typically produced in two grades: technical or industrial grade, and USP/EP grade. The latter designates the requirements for the US Pharmacopiea and the European Pharmacopoeia, but this grade is also the grade for use in food, feed and personal care applications.

The production of propylene glycol USP/EP is seamlessly monitored and controlled through a track-and-trace system from the base material throughout the production process up to the point of delivery. The high product quality standards, and compliance with stringent hygiene conditions, qualifies propylene glycol USP/EP (pharmaceutical grade) for use in health-sensitive applications.