Steel treatment agents, pretreatment agents, electroplating zinc

HL-219 High-End Ceramic Nano-Sealer

A water-based nano‑sealant for specialty ceramics, free of harmful substances such as formaldehyde, benzene, and heavy metals. Upon drying, it forms a transparent, high‑gloss coating that delivers exceptional brightness, smoothness, discoloration resistance, corrosion protection, and strong adhesion. Composed of an organic polymer dispersion and nanoscale silica particles, it contains no chromates, exhibits excellent covering power, and produces a uniformly bright, white coating that serves as a transparent, organic anti‑corrosion protective film. The coating is ultra‑thin, leaves no residual tack after drying, and offers high gloss, high hardness, and a superior abrasion resistance. It demonstrates outstanding salt‑spray resistance, can be cured by low‑temperature baking, and performs even better under high‑temperature baking. It also withstands vigorous wiping with alcohol‑based solvents without discoloration and does not adhere to fixtures, making it suitable for both immersion and spray‑coating applications.

HL-220 High-Gloss Black Water-Based Sealer

Water-based formulation with excellent anti-corrosion performance and strong adhesion; free of harmful substances such as formaldehyde, benzene, and heavy metals. After drying, it forms a black, glossy coating suitable as a final protective finish, offering superior gloss, smoothness, discoloration resistance, corrosion resistance, and high adhesion. Using water as the solvent, it is non‑flammable, has minimal odor, and is convenient for transportation and storage, ensuring safe handling. The coating exhibits excellent adhesion and abrasion resistance, with outstanding flexibility at thicknesses up to 10 µm. It is non‑toxic, generates no polluting waste liquids, and demonstrates exceptional resistance to water and alcohol‑based solvents. The coating is insoluble in water, offers excellent resistance to sulfur, chlorine, and moisture, and provides superior corrosion protection. Its salt‑spray resistance can be enhanced by 1–3 times, while maintaining high hardness and a high coefficient of friction.

HL-220A Fast-Drying Black Water-Based Sealer

A water-based system with excellent anti-corrosion performance and strong adhesion, free of harmful substances such as formaldehyde, benzene, and heavy metals. After drying, it forms a black, glossy coating that can serve as a final protective finish, offering superior film properties. A fully water-based formulation with minimal organic solvents, low odor, and enhanced environmental friendliness; non‑flammable, easy to transport and store, and safe to use. Fast‑drying, requiring low baking temperatures for energy savings; the resulting coating exhibits excellent adhesion, outstanding abrasion resistance, high hardness, and a high coefficient of friction. Non‑toxic, with no polluting waste liquids; exceptional water resistance—its coating is insoluble in water—and excellent resistance to sulfur, chlorine, and moisture. It also provides superior corrosion protection, with salt‑spray performance improved by 1–3 times.

Zinc acid intermediate

Alkaline zinc intermediate