TAMOL® 165A

• Wet adhesion is one of the most important properties for exterior paints. Without wet adhesion, properties such as resistance to dirt, alkali attack, chalking, cracking and flaking are meaningless.
• Water causes the paint film to soften and swell. Unless the adhesion to the substrate is strong, blisters will form. Early blistering usually indicates that future adhesion failures are likely for that film. Even though the blisters disappear when the paint film dries, the bond between the paint film and the substrate is weakened.
• One of the most important factors for minimizing adhesion loss is binder choice. In addition, the presence of water-sensitive ingredients such as surfactants, thickeners, and Dispersants can also strongly influence adhesion. A balance is required to use the minimum level of additives to maintain application, performance and stability of the paint. In fog box tests, TAMOL® 165A Dispersant provided notable advantages in early blister and wet adhesion compare to other polyacid and hydrophobic copolymer Dispersants. In addition, it showed excellent gloss, corrosion resistance, and color acceptance.
• TAMOL® 165A Dispersant is highly compatible with HEUR rheology modifiers such as ACRYSOL® RM-995 and ACRYSOL® RM-5000 Rheology Modifiers.

TAMOL® 165A DISPersant should be tested at 0.5% to 1.25% active ingredient based on total pigment weight. It is important to determine the proper level for the finished paint formulation. If a low level is used, the dispersion may be incomplete providing an inadequate grind that will not maximize gloss, hiding, or stability. High levels of dispersant may lead to increased water sensitivity.

Store products in tightly closed original containers at temperatures recommended on the product label.