Chiguard® WN Series – High-Concentration, High-Stability Anhydrous Liquid Solution ∣ Chitec Technology Co., Ltd.

What is Chiguard® WN Series?

[Anhydrous Liquid Additives]: Efficient, Stable, and Easy-to-Use – Engineered for Professional Coating Formulations

In today’s coatings market driven by environmental responsibility and high performance, the WN Series emerges as a tailor-made solution for formulators seeking flexibility, long-term stability, and outstanding compatibility. Developed by Chitec, the WN Series represents a line of liquid, anhydrous additives with high active content—providing a comprehensive and reliable solution for industrial, wood, and functional coatings.

【High-Stability Coating Additives】Five Key Technical Advantages of the WN Series

Anhydrous High Concentration: Active ingredient levels of 67–94% enable significantly lower dosage requirements.
Liquid Format: Ready-to-use without dispersion, simplifying processing and reducing formulation issues.
Storage & Transport Stability: Resistant to sedimentation and degradation, ensuring consistent performance during long-term storage and global shipment.
High Compatibility: Freely miscible with other stabilizers, minimizing incompatibility and enhancing synergistic effects.
Low Volatility & Low Emulsifier Content (selected grades): Ideal for anti-fogging and stain-resistant systems; effectively minimizes foaming risk.

【WN Series Product Overview】Product Name, Key Features, and Applications

Product Name	Category	Key Features	Application
Chiguard® 1135WN	Antioxidant	For water-based resins Low volatility Excellent resin compatibility Prevents fogging and staining	Water-based resins
Chiguard® 971WN	UV Absorber	Liquid UV absorber tailored for waterborne PU Superior compatibility vs. traditional UVAs Excellent polyol solubility Non-yellowing during baking	Water-based PU PU leather & films PU coatings PU panels
Chiguard® 5582WN	UV Absorber	High thermal & light durability Instantly miscible with waterborne resins No resin, diluent, or thickener—ensures compatibility Mixable with other Chitec stabilizers for a uniform emulsion	Water-based Coatings Automotive Coatings Automotive OEM Base Coats Automotive Refinish Coatings Industrial Coatings Architectural Coatings Exterior Wood Protection (Clear and Tinted) Plastic Coatings Glass Coatings Water-based Industrial Coatings Adhesives
Chiguard® 109WN	UV Absorber	Based on hydroxyphenyl benzotriazole UV absorber Suitable for coatings and substrates requiring strong protection in the UVA wavelength range High performance with excellent thermal stability Outstanding photostability and superior UV absorption efficiency	Coatings and substrates requiring strong UVA protection High-performance industrial coatings Decorative coatings Wood coatings
Chiguard® 353WN	HALS	Provides long-term thermal stability through a hindered phenol-like radical scavenging mechanism Significantly enhances performance when used in combination with UV absorbers	A wide range of coating applications
Chiguard® 3053WN	UV Absorber	Delivers outstanding performance across various clear and pigmented coating systems Suitable for water-based applications Significantly improves thermal stability Excellent color retention Long-term thermal and UV stability	Various clear and pigmented coating systems Wood coatings PUR systems UPES/styrene gel coats UV-curable systems based on acrylates and UPES
Chiguard® 3253WN	UV Absorber	Delivers outstanding performance across various clear and pigmented coating systems Suitable for water-based applications Significantly enhances thermal stability Excellent color retention Long-term thermal and UV stability Formulated with Chiguard® 5530 and Chiguard® 353	Various clear and pigmented coating systems Transparent and light-colored applications Wood coatings PUR systems UPES/styrene gel coats UV-curable systems based on acrylates and UPES
Chiguard® 477WN	UV Absorber	Tris-resorcinol triazine Ideal for UVA-sensitive substrates or components, especially offering high absorbance in the UVA range (320–390 nm) Suitable for coatings exposed to high-temperature baking and/or extreme environmental conditions Meets long-term durability requirements Excellent photostability and thermal stability Outstanding solubility and compatibility	Water-based coatings Liquid UV-curable coatings Industrial coatings Wood coatings Bake enamel systems Adhesives
Chiguard® 101WN	HALS	Especially suitable for polyurethane dispersions (PUDs) and alkyd emulsions where basic HALS (e.g., Chiguard® 353) are not effective Recommended for systems containing acidic catalysts, biocides, and similar additives Extremely low emulsifier content to minimize foaming issues Immediately miscible with water-based resins without affecting flow properties Free of resins and thickeners	Water-based systems Polyurethane dispersions (PUDs) Alkyd emulsions Systems containing acidic catalysts and/or biocides PUD coatings for synthetic leather and textiles used in automotive seats and interior components Alkyd-based wood coatings PUD-based sealants and adhesives
Chiguard® 5400WN	UV Absorbers	Hydroxyphenyl triazine (HPT) UV absorber Specifically developed for high-performance water-based coatings Low volatility High thermal stability Excellent photostability	High-performance water-based coatings Automotive OEM systems Automotive refinish systems UV-curable coatings

WN Series for Water-Based & High-Performance Coatings

Industrial Coatings: Automotive, marine, heavy machinery, and metal protection
Wood & Architectural Coatings: Exterior wood, clear finishes, floor coatings
Functional Coatings: UV-resistant, anti-yellowing, weatherable, antimicrobial
Water-Based Adhesives & Sealants: Ideal for PUD adhesives, sealants, and other heat/light-stable applications
Advanced Additive Systems & Ink Formulations

Who Should Choose the WN Series?

Export-Oriented Manufacturers: Ensure long-term stability during storage and shipping
Coating Innovators & R&D Teams: Demand maximum flexibility and tunable performance in formulations
High-Performance Coating Brands: Require top-tier UV and thermal protection for premium products

Further Reading: Waterborne UVAs and HALS – Chiguard® WB

📩

Discover how the WN Series can boost your formulation stability and market success.

Contact our sales team today:

innovations