ORGAL® P 839 W High Performance Ultra Hydrophobic Acrylic Binder for Exterior Wood Coatings

Synopsis

All-Acrylic polymer dispersions have proven their value as paint binders for exterior paints over many years. Over-all exterior durability, and particularly water resistance and flexibility are usually associated with an all-acrylic polymer backbone.

Many of the failures still observed in all-acrylic exterior paints are associated with the capilar water intrusion through the paint film down to the substrate, particularly when the substrate is wood.

EN 927/5 norm sets a tough standard to quantify this parameter and set performance limits. Hard acrylics are less prone to water intrusion than soft ones, however, their reduced elasticity leads to paint cracking as a cold-check test can demonstrate.

This presentation will show the benefits of Orgal P 839 W in terms of following parameters;

• Liquid Water Permeability
• Wet & Dry Adhesion
• Exterior Durability
• Cold Check Resistance
• Block Resistance
• Dirt Pick Up