sikaflex 1c sl limestone 10oz

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sikaflex 1c sl limestone 10oz is a single-component, self-leveling polyurethane sealant designed for horizontal joints in concrete and other construction materials. The “Limestone” refers to its color, and the 10oz packaging is typically in cartridge form for convenient use. It cures with atmospheric moisture to form a flexible and durable seal. This sealant offers excellent adhesion, weather resistance, and movement capability, making it ideal for both commercial and industrial applications where horizontal sealing is required.

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Category: Sealants and Adhesives Tags: 10oz Cartridge, Limestone Color Sealant, Polyurethane Joint Sealant, Self-Leveling Sealant, Sikaflex 1c SL

Description

Table of Contents

sikaflex 1c sl limestone 10oz

Primary Uses

Construction & Building Maintenance

Sealing of horizontal expansion joints in concrete slabs, driveways, sidewalks, and parking decks.
Joint filling in garages, balconies, plazas, terraces, and around swimming pools.
Used in precast concrete panel joints, floors, and foundations to prevent water infiltration.

Infrastructure & Civil Works

Applied in highway and airport pavement joints to accommodate movement and reduce moisture penetration.
Used in joints of tunnels, overpasses, and bridge decks for flexible sealing.

Industrial & Commercial Facilities

Sealing expansion and control joints in warehouses, factories, and cold storage floors.
Used in clean rooms, laboratories, and chemical handling areas due to its resistance to chemicals and cleaning agents.

Secondary Uses

Residential Construction

Used in horizontal concrete around patios, walkways, and entrance areas.

Retail & Public Spaces

Applied in shopping centers, schools, and commercial building outdoor surfaces where aesthetics (limestone color) and performance are important.

Green Building Projects

Can be used in LEED-certified buildings due to low VOC content and long-lasting sealing properties.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name (IUPAC): Polyurethane prepolymer (moisture-curing)
Common/Trade Name: Sikaflex® 1c SL Limestone
CAS Number: Mixture (proprietary formulation)
HS Code: 3214.10 (Sealants and mastics)
Synonyms: Self-leveling polyurethane sealant, Sikaflex SL

2. Physical & Chemical Properties

Physical State: Paste (in cartridge form)
Color & Odor: Limestone (off-white/beige); slight polyurethane odor
Cure Mechanism: Moisture-cured
Movement Capability: ±25% (ASTM C920)
Shore A Hardness: ~35
Application Temperature: +5°C to +35°C (41°F to 95°F)
Tack-Free Time: ~3–5 hours
Full Cure: 3–7 days depending on conditions
Solids Content: 100% (no shrinkage)

3. Safety & Hazard Attributes

GHS Classification: Skin and eye irritant; contains isocyanates
Toxicity: Moderate; safe when cured but may cause sensitization during application
Exposure Limits: Avoid breathing vapors; consult SDS for isocyanate limits

4. Storage & Handling Attributes

Storage Conditions: Store in original sealed container in a dry place between +5°C and +25°C
Container Type: 10oz (300 mL) cartridge; also available in sausages and bulk pails
Shelf Life: 12 months from date of manufacture
Handling Precautions: Use gloves, eye protection; ensure proper ventilation during application

5. Regulatory & Compliance Attributes

Complies with ASTM C920 Type S, Grade P, Class 25, Use T, M, G, A, O
VOC-compliant with SCAQMD Rule 1168 and LEED v4 criteria
ISO 9001-certified manufacturing process
Meets USDA regulations for use in food processing and handling facilities (non-food contact)
REACH and RoHS compliant

6. Environmental & Health Impact

Biodegradability: Not readily biodegradable; inert after curing
Ecotoxicity: Low in cured form; avoid release of uncured product into environment
Bioaccumulation: Not expected
Environmental Benefit: Long service life reduces need for frequent replacements

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

PPE Required: Chemical-resistant gloves, goggles, and protective clothing
Handling Guidelines: Work in well-ventilated areas; avoid contact with skin and eyes
Storage Measures: Keep sealed containers in dry, shaded area away from direct heat

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if symptoms develop
Skin Contact: Wash with soap and water; seek medical advice if irritation persists
Eye Contact: Rinse immediately with clean water for at least 15 minutes; seek medical attention
Ingestion: Rinse mouth; do not induce vomiting; contact poison control center or seek immediate medical help

Firefighting Measures

Fire Hazards: Combustible in uncured state
Extinguishing Media: Dry chemical, foam, CO₂, or water spray
Special Precautions: Use full protective equipment and self-contained breathing apparatus
Hazardous Combustion Products: Carbon oxides, nitrogen oxides, and isocyanate vapors