Coapur™ XS 83: polyurethane thickener for waterborne epoxies

Case study & Key takeaways

Coapur™ XS 83 is evaluated in a waterborne 2K epoxy primer
In such a formulation, Coapur™ XS 83 shows:

Excellent efficiency in waterborne epoxies
Very good sag resistance
Excellent shear thinning behaviour
No detrimental effect on anticorrosion properties

Key takeaways:

Evaluation of two pseudoplastic HEUR thickeners in an anticorrosive waterborne 2K-epoxy Primer

Viscosity evoluation after 24h @23°C
Pseudo index
Resistance to dilution and Din 4 Cup viscosity adjustment
Anticorrosion & sag resistance
Salt spray test

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Coapur^™ XS 83: polyurethane thickener for waterborne epoxies