Cobalt System Drier

Unit Price
US$ 13.83
US$ 13.83
US$ 13.751%
US$ 13.701%
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2 fl oz
Processing time
Usually ships the next business day.

Cobalt System Drier represents a concentrated mixture of metal carboxylates in mineral spirits: 1% cobalt and 13% zirconium. It includes an active, primary surface drier with an auxiliary through-drier blended in the ideal proportions for oil painting.

Cobalt is a primary oxidizing (active) drier. Used alone and in thick applications of paint, it has a tendency to cause wrinkling. Cobalt is generally used in combination with lead, zirconium, calcium or combination of these metals as a drying initiator.

Zirconium and calcium are effective auxiliary driers when used in conjunction with active driers, such as cobalt or manganese. Zirconium promotes the through drying of a paint film. Zirconium is the most effective replacement for lead driers. It also improves gloss and color when substituted for lead. It improves the action of cobalt drier and is used in conjunction with it and assists in the "through dry" of oil and alkyd paint.

Cobalt System Drier contains the active drier of cobalt blended with zirconium in the ideal proportions for oil and alkyd paint. The lower dose of cobalt combined with the through-drying action of zirconium promotes complete and fast drying of the paint film.


Add one drop per 5 ml (about 1 teaspoon) of paint. Suggested use levels should be verified with tests.

Physical Properties
Appearance: Dark blue liquid
Color (Gardner): Blue-Violet
Cobalt Content: 1%
Zirconium Content: 13%
Non Volatile Content: 43%
Specific Gravity (@25° C., kg/L): 1.02
Viscosity (@25° C., Gardner): A1
Health and Safety

WARNING! CONTAINS: PETROLEUM DISTILLATES. Exposure may cause skin and eye irritation. Overexposure will cause dizziness, drowsiness, headache, nausea and cracking or drying of skin. Avoid contact with skin. Avoid breathing mist or vapor. Wear safety glasses, protective clothing and chemical resistant rubber gloves when handling. Wash thoroughly after handling. Do not take internally.
Eye Contact: Flush eyes at once with large amounts of water for at least 15 minutes, while holding lids open. Get medical attention.
Skin Contact: Wash thoroughly with soap and water. Wash clothes and shoes before reuse. If irritation persists, get medical attention.
Inhalation: Remove to fresh air.
Ingestion: Seek medical attention.

Shipping specs
0.13 lbs
Shipping from
This product is shipped from our supplier's warehouse in Willits, CA, United States
Our guarantee
This product is brand new and includes the manufacturer's warranty, so you can buy with confidence.
A 25% handling charge is levied against all authorized returns except those due to our error. Unauthorized returns are subject to a 40% handling charge. Damages & defects must be reported to us within 14 days.
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