Cobalt‑Free Iron Complex Primary Drier Universal Water‑Solvent for Short Medium Long Oil Alkyd
Cobalt‑Free Iron Complex Primary Drier is cobalt‑free iron‑based complex primary drier compatible with water‑solvent dual‑systems. Without cobalt heavy‑metal component, it realizes oxidative curing function relying on iron complex catalytic structure. This product fits short‑oil, medium‑oil and long‑oil alkyd resins simultaneously, can be applied for solvent‑borne alkyd and water‑dilutable alkyd coatings. It can be matched with corresponding auxiliary driers to optimize surface drying and throug
Product Overview
Cobalt‑Free Iron Complex Primary Drier belongs to cobalt‑free complex‑type primary drier developed for water‑solvent dual‑use alkyd systems. Traditional cobalt‑based driers face increasing regulatory restrictions. This product adopts special iron complex structure to replace cobalt catalytic active center, delivering oxidative cross‑linking curing capacity. It exhibits good compatibility for short‑oil, medium‑oil and long‑oil alkyd resins, and works normally in both solvent‑borne and water‑dilutable alkyd formula environments. As primary drier, it needs to cooperate with auxiliary driers to further improve through‑curing, film hardness and anti‑skinning property. It keeps stable storage performance and consistent batch‑to‑batch quality.
Key Features
‑ Cobalt‑free iron complex primary drier, eco‑friendly alternative to cobalt‑containing driers ‑ Universal water‑solvent dual‑system compatibility for solvent‑borne and water‑dilutable alkyd ‑ Adaptable for short‑oil, medium‑oil and long‑oil full‑range alkyd resin systems ‑ Provides effective oxidative surface‑drying catalytic performance without cobalt ‑ Can be compounded with matched auxiliary driers to optimize overall curing profile ‑ Good miscibility with alkyd resin substrates under different polarity conditions ‑ Complies with low‑cobalt / cobalt‑free trend of global coating environmental regulations ‑ Reliable batch‑to‑batch consistency for mass‑production of environment‑friendly alkyd paints
Technical Specifications
‑ Product Name: Cobalt‑Free Iron Complex Primary Drier ‑ Active Component: Iron complex ‑ Appearance: Brown‑reddish transparent liquid ‑ Solubility: Compatible with hydrocarbon solvents and water‑dilutable alkyd systems ‑ Density: 0.92‑0.98 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.2%
Application Scenarios
‑ Solvent‑borne short‑oil, medium‑oil, long‑oil air‑drying alkyd coatings ‑ Water‑dilutable water‑borne alkyd decorative and industrial paint systems ‑ Environmental‑friendly alkyd formulations requiring cobalt‑free formula design ‑ Multi‑type alkyd production lines pursuing universal single‑drier solution ‑ Primary drier matched with auxiliary driers for complete curing system
Usage Recommendation
‑ Typical dosage: 0.20%‑0.60% calculated on total paint weight ‑ Add under low‑speed mixing during pigment letdown stage ‑ Do not add during high‑temperature resin synthesis procedure ‑ Must cooperate with suitable auxiliary driers to improve through‑curing and film mechanical performance ‑ Adjust dosage according to surface‑dry speed, hard‑dry time and film appearance test ‑ Excessive dosage may bring color shift risk; 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 open flame ‑ Tightly seal container after opening to prevent 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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