DOW AT-9LO Acrylic Resin

Features Of DOW AT-9LO Acrylic Resin

1. Powder Form Advantage - Uniform powder particles, precise metering, convenient storage and transportation, not easy to leak and pollute

2. Balanced Mechanical Properties - Balanced adhesion and flexibility after film formation, excellent impact resistance and scratch resistance

3. Superior Weather Resistance Protection - Outstanding UV aging resistance, not easy to lose luster, discolor or chalk during long-term outdoor use

4. Good System Compatibility - Excellent compatibility with various coating additives and fillers, high flexibility in formula adjustment

5. Stable Chemical Tolerance - Resists corrosive media such as acid, alkali and salt spray, improving the service life of end products

Typical Applications Of DOW AT-9LO Acrylic Resin

1. Powder Form Advantage - Uniform powder particles, precise metering, convenient storage and transportation, not easy to leak and pollute

2. Balanced Mechanical Properties - Balanced adhesion and flexibility after film formation, excellent impact resistance and scratch resistance

3. Superior Weather Resistance Protection - Outstanding UV aging resistance, not easy to lose luster, discolor or chalk during long-term outdoor use

4. Good System Compatibility - Excellent compatibility with various coating additives and fillers, high flexibility in formula adjustment

5. Stable Chemical Tolerance - Resists corrosive media such as acid, alkali and salt spray, improving the service life of end products

Specifications Of DOW AT-9LO Acrylic Resin

DOW AT-9LO Acrylic Resin – Frequently Asked Questions (FAQ)

Q1: What is the primary function of DOW AT-9LO Acrylic Resin in coating formulations?

A: DOW AT-9LO is a low-molecular-weight acrylic resin designed primarily as a rheology modifier and flow enhancer. It helps improve leveling, reduce orange peel, and support uniform film formation in solvent-borne and high-solids industrial coatings.

Q2: Is DOW AT-9LO compatible with common crosslinkers used in thermoset coatings?

A: Yes, DOW AT-9LO exhibits good compatibility with melamine formaldehyde, urea-formaldehyde, and blocked isocyanate crosslinkers typically employed in baking enamel and coil coating systems. Compatibility should be verified in the final formulation due to variations in solvent blends and resin chemistry.

Q3: How should DOW AT-9LO be incorporated into a coating system to ensure optimal performance?

A: It is recommended to add DOW AT-9LO during the let-down or post-addition stage, after pigments and main binder resins are fully dispersed. Dissolving it in a portion of the formulation’s solvent blend prior to addition helps ensure homogeneous distribution and avoids localized viscosity spikes.

Q4: Does DOW AT-9LO contribute to final film hardness or chemical resistance?

A: While not a primary film-forming resin, DOW AT-9LO can positively influence crosslink density and molecular packing in cured films—leading to modest improvements in hardness development and resistance to solvents and light abrasion when properly integrated into a balanced formulation.