Cobalt‑Free Complex Primary Drier for Alkyd Coating and Printing Ink
Cobalt‑Free Complex Primary Drier is cobalt‑free complex‑modified primary drier applicable for alkyd coating and printing‑ink fields. It realizes oxidative cross‑linking without cobalt ingredient by special complex metal catalytic structure. It shows good compatibility with alkyd paint binders as well as printing‑ink resins. This primary drier must be compounded with matched auxiliary driers to optimize surface drying, through‑curing and anti‑skinning performance. It is widely used for environme
Product Overview
Cobalt‑Free Complex Primary Drier belongs to cobalt‑free complex‑type primary drier developed for dual‑application of alkyd coatings and printing‑inks. Restricted by increasingly strict environmental regulations, traditional cobalt‑containing driers face usage limitations in coatings and printing‑ink industries. This product adopts optimized complex metal catalytic structure to replace cobalt active center and provides effective oxidative curing capacity. It works well for decorative & industrial alkyd coating systems and offset printing‑ink binders. As primary drier, it needs to cooperate with auxiliary driers to improve through‑curing, film hardness and storage stability. It dissolves completely in aliphatic and aromatic hydrocarbon solvents, maintains stable storage performance and consistent batch‑to‑batch quality.
Key Features
‑ Cobalt‑free complex‑type primary drier, eco‑friendly alternative for cobalt‑based siccatives ‑ Dual‑purpose design for alkyd coatings and solvent‑based printing‑ink systems ‑ Reliable oxidative surface‑drying activity without cobalt component ‑ Good compatibility with alkyd coating resins and printing‑ink binders ‑ Can be compounded with auxiliary driers to balance overall curing profile ‑ Excellent solubility in mineral spirits, xylene and common ink‑grade hydrocarbon solvents ‑ Adaptable for decorative paint, industrial finish and offset printing‑ink production ‑ Reliable batch‑to‑batch consistency for mass‑production of coatings and printing‑inks
Technical Specifications
‑ Product Name: Cobalt‑Free Complex Primary Drier ‑ Active Component: Complex metal compound ‑ Appearance: Brown‑amber transparent liquid ‑ Solubility: Soluble in aliphatic, aromatic hydrocarbon solvents, alkyd resins and ink binders, insoluble in water ‑ Density: 0.92‑0.98 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.2%
Application Scenarios
‑ Solvent‑borne decorative and industrial alkyd coating systems ‑ Alkyd‑based offset printing‑ink and solvent‑based printing‑ink formulations ‑ Long‑oil and medium‑oil alkyd varnish and pigmented paint products ‑ Cobalt‑free environmental‑friendly projects for both coatings and printing‑inks ‑ Primary drier component cooperating with auxiliary driers for complete curing system
Usage Recommendation
‑ Typical dosage: 0.20%‑0.60% calculated on total paint or ink 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 achieve full surface and through‑curing ‑ Anti‑skin agent can be supplemented separately for improving storage stability ‑ 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 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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