Quality control for acrylic emulsion is critical to ensure product consistency and performance.
Key parameters monitored include:
Solid Content: Verified by gravimetric analysis to confirm the non-volatile component meets specifications.
pH Level: Measured using a pH meter and adjusted to ensure stability and compatibility.
Viscosity: Checked with a viscometer (e.g., Brookfield) to guarantee proper application and handling properties.
Particle Size: Analyzed to influence film formation, clarity, and mechanical properties.
Mechanical Stability: Assessed through high-shear stirring to confirm the emulsion's resistance to coagulation.
Additionally, visual inspection for impurities and film formation tests are conducted. Any deviation from the set standards triggers corrective actions to maintain the high quality of the final product.