Cobalt‑Free Iron Complex Drier for Thixotropic Solvent Alkyd Anti‑Wrinkle Thick Film
Cobalt‑Free Iron Complex Drier is cobalt‑free iron‑complex primary drier developed for thixotropic solvent‑borne alkyd. Supported by special iron complex catalytic structure, it realizes oxidative cross‑linking without cobalt. It performs well for thick‑film high‑build thixotropic alkyd formulations, remarkably reduces wrinkling risk caused by uneven curing between surface and inner layer. It needs to be matched with suitable auxiliary driers to optimize through‑curing and mechanical properties,
Product Overview
Cobalt‑Free Iron Complex Drier belongs to cobalt‑free complex‑type primary drier specially designed for thixotropic solvent‑borne alkyd. Traditional cobalt‑containing driers are prone to surface over‑curing while inner layer cures slowly under thick‑film condition, which further triggers serious film wrinkling. This product adopts optimized iron complex catalytic system to balance surface reaction rate and inner‑layer curing progress. It fits thixotropic solvent‑borne alkyd resin systems, effectively suppresses thick‑film wrinkling defects. As primary drier, it should cooperate with auxiliary driers to improve through‑curing, hardness and storage stability. It maintains stable storage performance and consistent batch‑to‑batch quality.
Key Features
‑ Cobalt‑free iron complex drier, eco‑friendly substitute for conventional cobalt‑based driers ‑ Specially developed for thixotropic solvent‑borne alkyd coating systems ‑ Excellent anti‑wrinkle performance for high‑build thick‑film alkyd applications ‑ Balances surface‑drying speed and inner‑layer curing to avoid uneven curing‑caused wrinkling ‑ Compatible with thixotropic anti‑corrosive primers and heavy‑build protective alkyd enamels ‑ Good solubility in aliphatic and aromatic hydrocarbon solvents ‑ Can be compounded with auxiliary driers for better overall curing performance ‑ Reliable batch‑to‑batch consistency for mass‑production of thick‑film thixotropic alkyd paints
Technical Specifications
‑ Product Name: Cobalt‑Free Iron Complex Drier ‑ Active Component: Iron complex ‑ Appearance: Brown‑reddish transparent liquid ‑ Solubility: Soluble in hydrocarbon solvents, compatible with thixotropic solvent‑borne alkyd resins, insoluble in water ‑ Density: 0.93‑0.99 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.2%
Application Scenarios
‑ Thixotropic solvent‑borne thick‑film alkyd coating systems ‑ High‑build industrial protective and anti‑corrosive alkyd paints ‑ Alkyd formulations suffering thick‑film wrinkling defects with standard driers ‑ Heavy‑build thixotropic primers and pigmented top‑coat alkyd products ‑ Cobalt‑free primary drier matched with auxiliary driers for complete curing system
Usage Recommendation
‑ Typical dosage: 0.22%‑0.62% calculated on total paint weight ‑ Add under low‑speed mixing during pigment letdown stage ‑ Do not add during high‑temperature resin synthesis procedure ‑ Cooperate with matched auxiliary driers to enhance through‑curing and film mechanical properties ‑ Evaluate anti‑wrinkle effect under target thick‑film thickness in laboratory test ‑ Excessive dosage may cause color deviation; 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 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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