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Sika High Strength Epoxy Repair Adhesive Concrete
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Sika High Strength Epoxy Repair Adhesive Concrete is a two-component, solvent-free, high-strength epoxy adhesive designed specifically for bonding and repairing concrete structures. It offers excellent adhesion to concrete, steel, and other construction materials, providing durable and long-lasting repairs. This epoxy adhesive exhibits outstanding mechanical properties, chemical resistance, and resistance to moisture and weathering, making it ideal for structural bonding, crack injection, and patch repairs in civil engineering and industrial applications.
Description
Uses
Primary Uses
Concrete Repair and Bonding
- Bonding new concrete to existing substrates for structural strengthening.
- Repairing cracks, voids, and spalls in concrete surfaces.
- Anchoring dowels, bolts, and reinforcement bars in concrete structures.
Civil Engineering & Infrastructure
- Structural repairs in bridges, tunnels, dams, and highways.
- Restoration of precast concrete elements and panels.
Industrial Maintenance
- Repair of concrete floors, machinery bases, and loading docks.
- Adhesive for bonding metal to concrete in equipment installation.
Secondary Uses
Marine and Offshore
- Repair of concrete structures exposed to seawater and harsh environments.
Architectural Applications
- Bonding decorative concrete elements and facades.
Other Construction Uses
- Adhesive for terrazzo flooring and tile installations requiring high strength bonding.
PRODUCT KEY FEATURES
Basic Identification Attributes
- Chemical Name (IUPAC): Epoxy resin and curing agent mixture
- Common/Trade Name: Sika High Strength Epoxy Repair Adhesive Concrete
- CAS Number: Varies by epoxy components
- HS Code: 3907.30 (Epoxy resins)
- Synonyms: Structural epoxy adhesive, concrete repair epoxy
Physical & Chemical Properties
- Physical State: Two-component paste (resin and hardener)
- Color & Odor: Typically grey or transparent; mild epoxy odor
- Mix Ratio: Usually 2:1 or 1:1 by volume (check product datasheet)
- Cure Time: 24 hours at 20°C; faster curing at higher temperatures
- Compressive Strength: High (typically >70 MPa after full cure)
- Adhesion Strength: Excellent on concrete and metals
- Chemical Resistance: Resistant to water, oils, solvents, and many chemicals
Safety & Hazard Attributes
- GHS Classification: Skin sensitizer, irritant; possible respiratory sensitization
- Toxicity: Moderate; avoid skin and eye contact
- Exposure Limits: Follow workplace safety guidelines and product safety datasheet
Storage & Handling Attributes
- Storage Conditions: Store in cool, dry conditions between 10–30°C
- Container Type: Supplied in dual cartridges or separate resin and hardener kits
- Shelf Life: 12 months unopened
- Handling Precautions: Use gloves, eye protection; ensure good ventilation; avoid inhalation of vapors
Regulatory & Compliance Attributes
- Complies with ASTM C881 for epoxy adhesives in concrete repair
- Meets EN 1504-4 standards for structural bonding
- Manufactured under ISO 9001 quality system
- Complies with REACH and RoHS regulations
Environmental & Health Impact
- Biodegradability: Not biodegradable
- Ecotoxicity: Low, avoid environmental release
Bioaccumulation: Not significant
SAFETY HANDLING PRECAUTIONS
Safety Handling Precautions
- PPE Required: Gloves, goggles, protective clothing, and respiratory protection if ventilation is inadequate
- Handling Guidelines: Use in well-ventilated areas; avoid skin contact and inhalation of vapors
- Storage Measures: Keep containers tightly sealed; store away from ignition sources and incompatible chemicals
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if respiratory irritation occurs
- Skin Contact: Wash immediately with soap and water; seek medical advice if irritation persists
- Eye Contact: Rinse thoroughly with water for at least 15 minutes; get medical attention
- Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical help
Firefighting Measures
- Fire Hazards: Combustible; emits toxic fumes on burning
- Extinguishing Media: Foam, dry chemical, CO₂
- Special Precautions: Use protective equipment and self-contained breathing apparatus
- Hazardous Combustion Products: Carbon oxides, nitrogen oxides, and epoxy decomposition products
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