Sika Flex 260 Primer
Sika Flex 260 Primer is a high-performance, solvent-based primer designed to enhance adhesion of polyurethane and other elastic sealants on porous and non-porous substrates. It provides excellent bonding on surfaces such as concrete, metal, wood, and various plastics, ensuring durable and long-lasting sealant performance. The fast-drying formula allows for efficient application in construction and industrial sealing projects.
Uses
Primary Uses
Construction and Building Industry
- Priming porous substrates like concrete, cement-based screeds, and plaster to improve sealant adhesion.
- Enhancing bond strength of elastic sealants on non-porous surfaces such as metals, glass, and ceramics.
- Used in expansion joints, facade joints, window and door installations.
- Suitable for both interior and exterior applications requiring flexible sealing solutions.
Industrial Applications
- Priming surfaces in manufacturing and assembly lines where flexible sealants are applied to metal and plastic components.
Secondary Uses
Automotive and Transport
- Used as a primer for elastic sealants in vehicle body assembly and repair.
DIY and Home Improvement
Applied as a primer for household sealing tasks on diverse surfaces including tiles and wood.
Basic Identification Attributes
- Chemical Name (IUPAC): Solvent-based primer with adhesion promoters
- Common/Trade Name: Sika Flex 260 Primer
- CAS Number: Mixture (varies by solvent content)
- HS Code: 3209.10 (Paint binders and primers)
- Synonyms: Elastic sealant primer
Physical & Chemical Properties
- Physical State: Liquid
- Color & Odor: Clear to pale yellow; solvent odor
- Density: Approx. 0.85 g/cm³
- Flash Point: Around 23°C (solvent-based)
- Solubility: Miscible with organic solvents; insoluble in water
Safety & Hazard Attributes
- GHS Classification: Flammable liquid; irritant to skin and eyes
- Toxicity: Moderate; avoid inhalation and prolonged skin contact
- Exposure Limits: Follow occupational exposure limits for solvents
Storage & Handling Attributes
- Storage Conditions: Store in tightly closed containers in a cool, well-ventilated place away from ignition sources
- Container Type: Metal cans or plastic containers (typically 1L to 5L)
- Shelf Life: 12 months if stored properly
- Handling Precautions: Use in well-ventilated areas; avoid open flames and sparks; wear protective gear
Regulatory & Compliance Attributes
- Complies with solvent-based primer regulations and VOC limits for construction products
- Meets international safety and environmental standards (e.g., REACH, OSHA)
Environmental & Health Impact
- Biodegradability: Limited due to solvent content
- Ecotoxicity: Harmful to aquatic life if released in large quantities
- Bioaccumulation: Not significant
Safety Handling Precautions
- PPE Required: Gloves, goggles, and respiratory protection recommended
- Handling Guidelines: Avoid inhalation and skin contact; ensure adequate ventilation
- Storage Measures: Keep container tightly closed; store away from heat and ignition sources
First Aid Measures
- Inhalation: Move to fresh air; seek medical help if symptoms develop
- Skin Contact: Wash thoroughly with soap and water; seek medical advice if irritation persists
- Eye Contact: Rinse with plenty of water for at least 15 minutes; seek medical attention if irritation continues
- Ingestion: Do not induce vomiting; seek immediate medical attention
Firefighting Measures
- Fire Hazards: Highly flammable liquid and vapor
- Extinguishing Media: Foam, dry chemical, COâ‚‚, water spray
- Special Precautions: Use self-contained breathing apparatus and protective clothing
Hazardous Combustion Products: Carbon oxides, hydrocarbons