Coapur^™ XS 83: polyurethane thickener for waterborne epoxies

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