Introduction

STD-249 is a high-performance substrate wetting additive designed to enhance the wetting properties of coatings and inks. It is particularly effective in reducing surface tension and improving the adhesion of coatings on various substrates.

Technical Parameters

Applications

STD-249 is suitable for a wide range of applications, including:

Aqueous Wood Lacquer: Enhances the wetting and leveling properties of wood coatings.

Printing Inks: Improves the wetting and flow properties of inks, ensuring uniform application.

Radiation Curing Systems: Provides excellent wetting and anti-cratering properties in UV-curing systems.

Benefits

Enhanced Wetting: Significantly improves the wetting ability of coatings on various substrates, including low surface energy materials.

Anti-Cratering: Reduces surface defects such as craters and improves the overall appearance of the coating.

Compatibility: Compatible with a wide range of water-based systems, ensuring effective performance in various formulations.

Usage Instructions

Addition Stage: STD-249 should be added at the grinding stage of coating production.

Dosage: Typically used at 0.1% to 1% by weight of the total formulation.

Mixing: Ensure adequate agitation for at least 15-30 minutes to achieve proper dispersion.

Safety and Handling

Ventilation: Use in a well-ventilated area.

Protective Equipment: Wear protective glasses, gloves, and masks during operation.

Skin Contact: If it touches the skin, wash immediately with soap and water.

Eye Contact: If it gets into the eyes, rinse thoroughly with water and seek medical advice.

Ingestion: If ingested, seek immediate medical treatment.

Storage: Store at 5-40°C. If frozen, dissolve and mix thoroughly before use.

Conclusion

STD-249 is a versatile substrate wetting additive that provides excellent wetting and anti-cratering properties for water-based coatings and inks. Its ability to reduce surface tension and enhance substrate wetting makes it a valuable additive in various industrial applications. Proper handling and storage are essential to ensure its safe and effective use.