Cobalt‑Free Waterborne Mn‑Zr Combination Drier for Eco Water Alkyd
Cobalt‑Free Waterborne Mn‑Zr Combination Drier is one‑pack water‑dispersible composite drier free from cobalt. Manganese acts as main catalytic component to drive surface oxidation cross‑linking, zirconium serves as auxiliary drier to promote deep‑film curing, improve hardness and reduce pigment adsorption loss. With hydrophilic modification, it achieves stable dispersion in aqueous alkyd environment and resists hydrolysis deactivation. It satisfies raw‑material requirements for cobalt‑free eco‑
Product Overview
Cobalt‑Free Waterborne Mn‑Zr Combination Drier belongs to cobalt‑free pre‑formulated manganese‑zirconium composite drier for oxidative‑cure eco water‑reducible alkyd coatings. Many global coating supply chains restrict cobalt‑containing raw materials due to heavy‑metal regulatory risks. This product completely removes cobalt components, uses manganese as primary catalytic drier, cooperated with zirconium to realize both surface‑drying and through‑drying functions. Hydrophilic modification technology guarantees stable dispersion in water‑based paint system and prevents hydrolysis‑caused activity decline. It is compatible with long‑oil and medium‑oil water‑reducible alkyd resins and maintains stable batch‑to‑batch quality.
Key Features
‑ Fully cobalt‑free Mn‑Zr composite combination drier for eco water‑reducible alkyd ‑ Manganese offers oxidative catalytic surface‑drying performance; zirconium enhances through‑curing and film hardness ‑ Good water dispersibility and anti‑hydrolysis stability, keeps activity in aqueous alkyd matrix ‑ Eliminates cobalt‑related regulatory and labelling risks for coating formulators ‑ Reduces formula complexity as pre‑mixed one‑pack drier ‑ Compatible with various pigments, fillers and water‑reducible alkyd binders ‑ Suitable for low‑toxicity eco decorative and industrial waterborne alkyd coating projects ‑ Reliable batch‑to‑batch consistency for mass‑production of cobalt‑free waterborne alkyd paints
Technical Specifications
‑ Product Name: Cobalt‑Free Waterborne Mn‑Zr Combination Drier ‑ Active Component: Manganese‑Zirconium carboxylate composite ‑ Appearance: Brown‑reddish transparent liquid ‑ Solubility: Water‑dispersible, miscible with water‑reducible alkyd resins ‑ Density: 0.96‑1.04 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.3%
Application Scenarios
‑ Cobalt‑free eco‑oriented water‑reducible alkyd decorative coating systems ‑ Low‑toxicity industrial air‑dry waterborne alkyd protective enamels and topcoats ‑ Long‑oil & medium‑oil water‑dilutable alkyd formulations with cobalt restriction ‑ Environment‑focused paint production lines requiring heavy‑metal compliant raw‑materials ‑ Pre‑mixed composite drier for oxidative‑cure water‑based alkyd without cobalt addition
Usage Recommendation
‑ Typical dosage: 0.25%‑0.65% calculated on total paint weight ‑ Add under low‑speed stirring during paint letdown stage, avoid high‑shear violent agitation ‑ Do not add during high‑temperature resin synthesis procedure ‑ Complete pre‑test for drying speed, through‑dry performance, anti‑skinning property, gloss and hardness under real‑formula conditions ‑ Excessive dosage will increase skinning and color shift risk; strictly control addition amount ‑ Complete full‑set laboratory assessment before mass‑scale production
Package & Storage
‑ Standard package: 25kg / 200kg metal drum ‑ Store in cool, dry and well‑ventilated warehouse, keep away from heat source and direct sunlight ‑ Tightly seal container after opening to prevent solvent volatilization and performance deterioration ‑ Shelf life: 12 months under proper storage conditions
Safety Notes
‑ Combustible liquid, keep away from all ignition sources. ‑ Avoid skin contact and eye splash. Wear chemical‑resistant gloves and safety goggles during handling. ‑ Avoid inhalation of vapor and mist, ensure effective local ventilation. ‑ Refer to SDS for full guidance on handling, transportation and emergency disposal.
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Shenzhen Jishengya Technology Co., Ltd. is located in Shenzhen, a special economic zone, and is a comprehensive technology enterprise integrating independent R&D, production and sales.
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