Biaomei SiFast SF-721 Leveling Agent

Features Of Biaomei SiFast SF-721 Leveling Agent

1. Excellent leveling and spreading - Outstanding leveling property, uniform spreading, quickly eliminate construction leveling defects

2. Strong substrate wetting - Improve the wettability of coatings and inks to substrates, reduce surface defects

3. Excellent resin compatibility - Highly compatible with various organic resins, no compatibility risks, wide adaptability

4. Significant disease inhibition - Effectively prevent paint defects such as craters, pinholes and craters, ensure flat film formation

5. Low tension easy construction - Reduce system surface tension, optimize construction fluency, easy to operate

Typical Applications Of Biaomei SiFast SF-721 Leveling Agent

1. Solvent-based coatings - Suitable for various solvent-based coatings, optimize leveling and wetting, improve paint film flatness and gloss

2. Printing inks - Used in various solvent-based printing inks, improve leveling, ensure clear and uniform printed patterns

3. Wood solvent-based coatings - Optimize wood coating leveling, improve substrate wetting, highlight wood texture

4. Plastic solvent-based coatings - Suitable for plastic substrate coating, enhance wetting, reduce surface defects, improve adhesion

5. Metal solvent-based coatings - Used for solvent-based coating of metal substrates, inhibit paint defects, ensure film formation quality

Specifications Of Biaomei SiFast SF-721 Leveling Agent

Biaomei SiFast SF-721 Leveling Agent – Frequently Asked Questions (FAQ)

Q1: What types of coating systems is SF-721 compatible with?

A: SF-721 is formulated for broad compatibility with solvent-borne, water-borne, and high-solids industrial coatings, including acrylics, polyurethanes, and epoxy-based systems. It demonstrates good stability in both anionic and non-ionic emulsions.

Q2: How does SF-721 affect film formation and surface appearance?

A: SF-721 promotes uniform flow and leveling during film formation, effectively reducing orange peel, brush marks, and cratering. It enhances gloss consistency and contributes to a smooth, defect-free surface without significantly delaying drying or interfering with crosslinking.

Q3: What is the recommended addition method and timing for optimal performance?

A: SF-721 should be added during the let-down stage, after pigments and primary resins are fully dispersed. It is best introduced under low-shear conditions and mixed thoroughly to ensure homogeneous distribution. Pre-dilution with a compatible solvent or carrier may improve incorporation in highly viscous systems.

Q4: Does SF-721 impact recoatability or intercoat adhesion?

A: When used within the recommended dosage range, SF-721 does not negatively affect intercoat adhesion or recoatability. Its molecular design avoids excessive surface enrichment that could hinder bonding between layers.

Q5: Is SF-721 suitable for low-VOC or high-performance architectural coatings?

A: Yes — SF-721 contains no APEOs or regulated alkylphenols and supports formulation strategies targeting low-VOC compliance. It maintains effectiveness in demanding applications such as exterior façade coatings and high-gloss interior finishes where appearance consistency is critical.