Short Oil Fast Drying (16/50) (SDA)
Short Oil Fast Drying (16/50) Stand & Detail Alkyd (SDA) is a specially formulated alkyd resin designed for rapid drying and excellent film formation in coatings. It contains approximately 16% oil length, offering a balance between hardness and flexibility, and 50% solids content, which aids in build and coverage. This resin is widely used in industrial and decorative paints where quick drying and good adhesion are critical. Its fast curing properties make it ideal for applications requiring reduced downtime and enhanced productivity.
Primary Uses
Industrial and Decorative Coatings
- Used in fast-drying enamels, primers, and topcoats for metal and wood surfaces.
- Provides good adhesion and hardness with moderate flexibility, suitable for furniture and machinery coatings.
- Employed in automotive refinishing paints for quick recoat and durable finish.
Wood Coatings
- Used in wood varnishes and lacquers where rapid drying and good clarity are needed.
- Enhances surface hardness and resistance to abrasion and chemicals.
Printing Inks
- Utilized in alkyd-based inks requiring fast drying on various substrates.
Secondary Uses
Adhesives
- Incorporated in solvent-based adhesive formulations for improved tack and film formation.
Art Supplies
- Used in artist paints and protective coatings due to quick drying and durable finish.
Marine Coatings
- Applied in specialized fast-drying coatings for maintenance and repair on boats and ships.
Basic Identification Attributes
- Chemical Name (IUPAC): Alkyd resin (short oil)
- Common/Trade Name: Short Oil Fast Drying (16/50) SDA
- CAS Number: Mixture (varies by formulation)
- HS Code: 3907.30 (Alkyd resins)
- Synonyms: Fast drying short oil alkyd, SDA resin
Physical & Chemical Properties
- Physical State: Viscous liquid or paste
- Color & Odor: Amber to brown; characteristic mild solvent odor
- Solids Content: Approx. 50%
- Oil Length: ~16%
- Density: Approx. 1.0 – 1.2 g/cm³
- Solubility: Soluble in organic solvents (e.g., mineral spirits, xylene)
Safety & Hazard Attributes
- GHS Classification: Flammable liquid (Category 3); may cause skin and eye irritation
- Toxicity: Moderate; avoid prolonged exposure and inhalation
- Exposure Limits: Follow safety data sheet (SDS) recommendations
Storage & Handling Attributes
- Storage Conditions: Store in tightly closed containers in a cool, dry, well-ventilated area away from ignition sources
- Container Type: Drums, pails, or bulk containers
- Shelf Life: Typically 6–12 months under proper storage
- Handling Precautions: Use personal protective equipment; avoid inhalation of vapors; prevent static discharge
Regulatory & Compliance Attributes
- Complies with industrial coating regulations and VOC limits applicable to solvent-based alkyd resins (e.g., EPA, REACH)
- Meets safety and handling standards per GHS classification
Environmental & Health Impact
- Biodegradability: Moderate, dependent on formulation components
- Ecotoxicity: May be harmful to aquatic life; avoid environmental release
Bioaccumulation: Not significant
Safety Handling Precautions
- PPE Required: Gloves, goggles, and protective clothing recommended
- Handling Guidelines: Use in well-ventilated areas; avoid skin and eye contact; prevent ignition sources
- Storage Measures: Keep containers tightly closed and stored in a dry environment
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if symptoms occur
- Skin Contact: Wash thoroughly with soap and water; seek medical advice if irritation persists
- Eye Contact: Rinse immediately with plenty of water for at least 15 minutes; obtain medical attention if irritation continues
- Ingestion: Do not induce vomiting; seek immediate medical attention
Firefighting Measures
- Fire Hazards: Flammable liquid and vapor; may release hazardous gases on combustion
- Extinguishing Media: Foam, dry chemical, CO₂, or water spray
- Special Precautions: Wear full protective gear and self-contained breathing apparatus
- Hazardous Combustion Products: Carbon oxides, hydrocarbons, and other toxic fumes

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