Tetronic® Series

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Product Information

Tetronic® EO/PO block copolymers are amine-based tetrafunctional nonionic surfactants. Four EO/PO arms extend from a central ethylenediamine group, giving a four-arm architecture that anchors more strongly at surfaces than linear block copolymers and delivers emulsification, wetting, and hydrotropic performance in health industry formulations. The portfolio is formaldehyde-free, label-free, and thermally and chemically stable, and it reaches molecular weights up to 25,000, well above the standard Pluronic® range.

Key Benefits

• Tetrafunctional emulsifier, wetter, and hydrotrope
• Water soluble across the range
• Moderately biodegradable
• Prill form available for improved handling and storage
• Alkaline pH range of 8 to 10

How to Compare Tetronic® Grades:

• HLB – Determines whether a grade is better suited for oil-in-water (O/W) or water-in-oil (W/O) systems.
• Molecular Weight – Influences viscosity, solubilization, and polymer performance.
• EO Content – Higher EO increases hydrophilicity, while lower EO increases lipophilicity.
• Physical Form –Determines handling and processing fit; available as paste or prill.

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