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Lead Drier
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Lead Drier is a chemical additive primarily used in the coatings and paints industry to accelerate the drying and curing process of oil-based paints, varnishes, and coatings. It functions as a catalytic agent that promotes the oxidative polymerization of drying oils, reducing the drying time and improving the film formation. Lead driers are traditionally lead-based salts such as lead naphthenate or lead octoate, valued for their effectiveness at low concentrations. Due to toxicity concerns, their use is increasingly regulated and often replaced by safer alternatives.
Description
Lead Drier
Primary Uses
- Paints and Coatings Industry
- Accelerates drying of alkyd and oil-based paints and varnishes to improve productivity.
- Enhances hardness and durability of the dried paint film by promoting even curing.
- Used in primers, enamels, and industrial coatings to reduce tackiness and improve surface finish.
- Printing Inks
- Acts as a drying agent in certain ink formulations to reduce drying time and prevent smudging.
- Wood Finishing
- Speeds up drying of wood stains and varnishes, aiding in quicker processing and handling.
Secondary Uses
- Artist Paints
- Sometimes used in oil paints by artists to control drying times and improve workability.
- Adhesives and Sealants
- Incorporated into some solvent-based adhesives to hasten cure and set times.
- Industrial Applications
- Used as a catalyst in some polymer and resin curing processes where drying speed is critical.
PRODUCT KEY FEATURES
- Basic Identification Attributes
- Chemical Name (IUPAC): Lead (II) octoate or Lead naphthenate (varies by type)
- Common/Trade Name: Lead Drier; Lead Octoate; Lead Naphthenate
- CAS Number: Varies (e.g., Lead octoate ~ 301-02-0)
- HS Code: 2833.29.00 (Other lead compounds)
- Synonyms: Lead drying agent; drying accelerator; paint drier
- Physical & Chemical Properties
- Physical State: Viscous liquid or paste
- Color & Odor: Yellow to brownish; characteristic mild odor
- Solubility: Soluble in oils, solvents; insoluble in water
- Melting Point: Variable depending on formulation
- Density: Approx. 1.0 – 1.2 g/cm³
- Safety & Hazard Attributes
- GHS Classification: Toxic; harmful if swallowed or inhaled; causes skin and eye irritation; may cause long-term health effects
- Toxicity: Lead compounds are toxic and pose risks of lead poisoning with chronic exposure
- Exposure Limits: OSHA PEL for lead: 50 µg/m³ (airborne lead)
- Storage & Handling Attributes
- Storage Conditions: Store in tightly sealed containers in a cool, dry, well-ventilated area away from incompatible substances
- Container Type: Metal or heavy-duty plastic drums/containers resistant to corrosion
- Shelf Life: Typically 1-2 years if stored properly
- Handling Precautions: Use appropriate PPE including gloves, respiratory protection, and avoid inhalation or skin contact
- Regulatory & Compliance Attributes
- Subject to strict regulations due to lead toxicity (e.g., OSHA, REACH, EPA)
- Use restricted or banned in many countries for consumer products
- Must be labeled with hazard warnings and handled according to hazardous material guidelines
- Environmental & Health Impact
- Biodegradability: Not biodegradable; persists in the environment
- Ecotoxicity: Highly toxic to aquatic life; bioaccumulative
- Bioaccumulation: Lead accumulates in biological systems, posing environmental hazards
- Carcinogenicity/Mutagenicity: Classified as probable human carcinogen; causes reproductive toxicity
SAFETY HANDLING PRECAUTIONS
- Safety Handling Precautions
- PPE Required: Chemical-resistant gloves, protective clothing, eye protection, and respiratory protection in confined spaces
- Handling Guidelines: Use in well-ventilated areas or under fume extraction; avoid ingestion and inhalation
- Storage Measures: Store away from acids, oxidizers, and incompatible materials; prevent leaks and spills
- First Aid Measures
- Inhalation: Move to fresh air immediately; seek medical attention if symptoms occur
- Skin Contact: Wash affected area with soap and water; remove contaminated clothing; seek medical advice if irritation persists
- Eye Contact: Rinse eyes thoroughly with water for at least 15 minutes; obtain medical attention
- Ingestion: Do not induce vomiting; rinse mouth and seek urgent medical attention
- Firefighting Measures
- Fire Hazards: Combustible; may emit toxic fumes of lead and other hazardous gases when heated
- Extinguishing Media: Use dry chemical, foam, or CO2 extinguishers; avoid water streams that may spread contamination
- Special Precautions: Firefighters should wear full protective gear and self-contained breathing apparatus
- Hazardous Combustion Products: Lead oxides, carbon monoxide, carbon dioxide
Related products
Calcium Drier
Calcium Drier is a metal-based drying agent primarily composed of calcium salts of fatty acids (commonly calcium octoate or calcium linoleate), widely used as a siccative in paints, varnishes, inks, and coatings. It functions as a catalyst to accelerate the oxidative cross-linking and polymerization of drying oils, leading to faster drying times and improved film hardness and durability. Calcium Driers are valued for their good compatibility with other driers, low toxicity, and efficient catalytic activity at low concentrations. They are commonly used alone or in combination with other metal driers such as cobalt or manganese driers for optimized drying performance.
Cobalt Drier
Cobalt Drier is a metal-based drying agent primarily composed of cobalt salts (commonly cobalt octoate or cobalt naphthenate). It is widely used as a catalyst to accelerate the drying (oxidative curing) of oils, alkyd resins, and varnishes in coatings and paints. This drier promotes polymerization and cross-linking of unsaturated fatty acids in drying oils upon exposure to air, significantly reducing drying times and improving film hardness and durability. Cobalt driers are essential additives in industrial, decorative, and automotive coatings due to their effectiveness at low concentrations and compatibility with various resin systems.
Cobalt Octoate
Cobalt Octoate is a liquid metal drying agent solution consisting of 10% cobalt octoate dissolved in an organic solvent carrier (typically mineral spirits or similar hydrocarbon solvent). It functions as a highly efficient catalyst to accelerate the oxidative curing and drying of alkyd resins, oils, and varnishes in coatings and paints. By promoting cross-linking and polymerization of unsaturated fatty acids in drying oils upon exposure to oxygen, it significantly reduces drying time and enhances film hardness, gloss, and durability. Cobalt Octoate 10% is widely used in industrial and decorative coatings, inks, and adhesives, valued for its strong catalytic activity even at low concentrations.
Lead Octoate
Lead Octoate is a viscous liquid solution containing 30% lead octoate, a metal soap derived from lead and 2-ethylhexanoic acid (also known as octanoic acid). It is primarily used as a drying agent (drier) in paints, varnishes, and coatings to accelerate the curing process by promoting oxidation and polymerization of drying oils. This product is widely employed in industrial coatings to improve drying times, hardness, and durability of surface films. Packaged typically in 250kg drums, Lead Octoate 30% is handled with care due to the toxic nature of lead compounds.
Manganese Octate Drier
Manganese Octate Drier is a metal-organic compound commonly used as an oxidative catalyst in alkyd and oil-based coating systems. It is a manganese salt of 2-ethylhexanoic acid (octanoic acid) dissolved in a compatible organic solvent, typically white spirit or hydrocarbon thinner. At a 10% metal concentration, this drier functions as a primary oxidative (surface) drier, accelerating the polymerization and hardening of unsaturated oils and alkyd resins upon exposure to air. It exhibits a dark brown to violet color, has low viscosity, and is highly effective in small doses.
Paint Drier
Paint Drier is a specialized industrial additive designed as a non-toxic, lead-free alternative to traditional lead-based paint driers. It contains 36% active metal content primarily composed of bismuth and other metals, formulated to accelerate the drying and curing process of oil-based paints, varnishes, and coatings. The product improves film formation, reduces drying times, and enhances the durability and gloss of finished surfaces without the health and environmental hazards associated with lead compounds. BxPB36% Paint Drier is commonly used in architectural, industrial, and automotive coatings as a safer substitute for lead-based driers.
Zicronium Octoate
Zicronium Octoate is a metal carboxylate solution comprising zirconium ions complexed with octoic acid at an 18% zirconium concentration. It serves as an effective crosslinking and curing agent in coatings, adhesives, and sealants, enhancing film hardness, chemical resistance, and durability. This zirconium-based additive is valued for its catalytic properties in accelerating the curing of various polymer systems, especially in automotive and industrial applications.
Zinc Octoate
Zinc Octoate is a metal carboxylate solution containing approximately 10% zinc content, derived from zinc and 2-ethylhexanoic acid (octoic acid). It functions as an effective curing agent, catalyst, and crosslinker in various polymer systems such as paints, coatings, adhesives, and rubber compounds. This compound improves film hardness, drying times, and overall durability of finished products, making it widely used in industrial and manufacturing processes.
