Co‑Ba‑Zr Combination Drier CAS 136-52-7 for Heavy‑Duty Anti‑Corrosive Alkyd
Co‑Ba‑Zr Combination Drier CAS 136‑52‑7 is ready‑to‑use composite drier blended with cobalt, barium and zirconium metal carboxylates. Cobalt realizes fast surface oxidative cross‑linking. Barium enhances water resistance and anti‑corrosion property of cured film. Zirconium boosts inner‑layer through‑curing for heavy‑build anti‑corrosive alkyd films. This multi‑metal blend solves soft under‑layer defect of thick protective coatings, promotes mechanical strength and anti‑corrosion performance. It
Product Overview
Co‑Ba‑Zr Combination Drier CAS 136‑52‑7 belongs to pre‑formulated multi‑metal carboxylate composite drier for air‑drying alkyd coating systems. Formulated specifically for heavy‑duty anti‑corrosive alkyd applications. Cobalt acts as primary surface drier to accelerate surface oxidation cross‑linking. Barium component improves water resistance and chemical resistance of polymer network, supporting anti‑corrosion performance. Zirconium serves as high‑efficiency through‑curing component to increase inner‑layer cross‑linking density for thick protective films. It avoids surface‑dry‑but‑soft‑substrate failure of heavy‑build anti‑corrosive coatings. It dissolves completely in aliphatic and aromatic hydrocarbon solvents, shows excellent compatibility with long‑oil and medium‑oil anti‑corrosive alkyd resins, maintains stable storage performance and consistent batch‑to‑batch quality.
Key Features
‑ Pre‑blended Co‑Ba‑Zr three‑metal composite formula for heavy‑duty anti‑corrosive alkyd ‑ Combined surface drying and high‑performance deep‑layer through‑curing capability ‑ Barium component enhances water resistance and anti‑corrosion property of paint film ‑ Effectively improves cross‑linking density for thick‑film anti‑rust protective coatings ‑ Reduces inner‑layer soft‑curing defect of heavy‑build industrial alkyd systems ‑ Good solubility in mineral spirits, xylene and conventional coating hydrocarbon solvents ‑ Compatible with anti‑rust primer and top‑coat alkyd resin systems ‑ Reliable batch‑to‑batch consistency for mass‑production of heavy‑duty anti‑corrosive alkyd paints
Technical Specifications
‑ Product Name: Co‑Ba‑Zr Combination Drier ‑ Active Metal: Cobalt, Barium, Zirconium ‑ CAS No.: 136‑52‑7 ‑ Appearance: Purple‑reddish transparent liquid ‑ Solubility: Soluble in aliphatic, aromatic hydrocarbon solvents and alkyd resins, insoluble in water ‑ Density: 0.95‑1.01 g/cm³ @25℃ ‑ Viscosity: Low‑viscosity liquid ‑ Flash Point: ≥60℃ ‑ Moisture: ≤0.2%
Application Scenarios
‑ Heavy‑duty anti‑corrosive solvent‑borne alkyd coating systems ‑ Industrial anti‑rust alkyd primers and protective top‑coat enamels ‑ Long‑oil and medium‑oil thick‑film protective alkyd formulations ‑ Equipment, steel‑structure anti‑corrosion alkyd paint production ‑ Composite drier solution for anti‑corrosive alkyd paint formulators
Usage Recommendation
‑ Typical dosage: 0.22%‑0.62% calculated on total paint weight based on total metal content ‑ Add under low‑speed mixing during pigment letdown stage ‑ Do not add during high‑temperature resin synthesis procedure ‑ Anti‑skin agent shall be added separately according to paint storage requirement ‑ Adjust dosage according to drying speed, through‑curing, water resistance and anti‑corrosion test results ‑ Excessive dosage may trigger film brittleness; 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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