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Sika Boom Expanding Foam
Sika Boom Expanding Foam is a one-component, polyurethane-based, fast-curing foam designed for sealing, filling, insulating, and bonding applications in construction and renovation. It expands rapidly upon dispensing to fill cavities, gaps, and voids, providing excellent thermal and acoustic insulation. The foam adheres well to most common building materials such as wood, concrete, metal, and plastics. It is moisture-curing and offers good resistance to aging, shrinking, and water.
Sika Boom Expanding Foam
Primary Uses
- Construction and Building
- Sealing gaps, cracks, and joints around windows, doors, and frames to improve insulation and airtightness.
- Filling cavities and voids in walls, ceilings, and floors to enhance thermal and sound insulation.
- Bonding lightweight panels and insulating materials in interior and exterior applications.
- Preventing drafts and moisture ingress in building envelopes.
- HVAC Industry
- Insulating and sealing ductwork connections and penetrations to improve system efficiency.
Secondary Uses
- Plumbing and Electrical
- Sealing around pipes and cables passing through walls and floors to prevent air and water leaks.
- DIY and Home Improvement
- General-purpose filler and adhesive for minor repairs and renovations.
- Packaging
- Cushioning and protecting fragile items during transport by filling voids inside packaging.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Polyurethane prepolymer-based foam
- Common/Trade Name: Sika Boom Expanding Foam
- CAS Number: Proprietary formulation
- HS Code: 3909.50 (Polyurethane foams)
- Synonyms: PU expanding foam, one-component foam sealant
2. Physical & Chemical Properties
- Physical State: Aerosol foam
- Color & Odor: Off-white to cream; characteristic polyurethane odor
- Density: Approx. 20–30 kg/m³ (cured foam)
- Expansion Rate: Up to 30 times original volume
- Curing Time: Tack-free in 10–20 minutes; fully cured in 1–4 hours depending on conditions
- Solubility: Insoluble in water once cured
3. Safety & Hazard Attributes
- GHS Classification: Flammable aerosol; irritant to skin and eyes; respiratory sensitizer
- Toxicity: Moderate; avoid inhalation and skin contact
- Exposure Limits: Follow local occupational safety guidelines
4. Storage & Handling Attributes
- Storage Conditions: Store in a cool, dry place away from direct sunlight and heat sources
- Container Type: 750ml pressurized aerosol can
- Shelf Life: Typically 12 months if stored unopened and properly
- Handling Precautions: Use gloves and eye protection; ensure good ventilation; keep away from ignition sources
5. Regulatory & Compliance Attributes
- Complies with EU regulations on construction products (CE marked)
- Meets VOC limits for construction sealants and foams
- Registered under relevant environmental and safety regulations
- Complies with transportation regulations for aerosols (UN 1950)
6. Environmental & Health Impact
- Biodegradability: Not biodegradable; inert once cured
- Ecotoxicity: Low once cured; uncured foam hazardous to aquatic life
- Bioaccumulation: Not significant
Safety Handling Precautions
- PPE Required: Gloves, safety goggles, and protective clothing recommended
- Handling Guidelines: Avoid inhalation of vapors; apply in well-ventilated areas; avoid contact with skin and eyes
- Storage Measures: Keep canisters tightly closed; store away from heat and open flames
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention if breathing difficulties occur
- Skin Contact: Wash with soap and water; remove contaminated clothing; seek medical advice if irritation develops
- Eye Contact: Rinse with plenty of water for at least 15 minutes; seek immediate medical attention
- Ingestion: Do not induce vomiting; seek medical help immediately
Firefighting Measures
- Fire Hazards: Flammable aerosol; container may burst when heated
- Extinguishing Media: Use foam, dry chemical, CO₂, or water spray
- Special Precautions: Wear full protective clothing and self-contained breathing apparatus
- Hazardous Combustion Products: Carbon oxides, nitrogen oxides, and isocyanates
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