MasterEmaco S 488

High-Strength R4 Class Fiber-Reinforced Structural Repair Mortar

Description:

MasterEmaco S 488 is a premium, fiber-reinforced, thixotropic structural repair mortar designed to restore and protect reinforced concrete structures. Engineered for vertical and overhead applications, this single-component, shrinkage-compensated mortar meets EN 1504-3 Class R4 standards—making it ideal for high-performance repair work across industrial, marine, and civil construction projects in Bangladesh.

USES

Master Emaco® S 488 is designed for the structural repair of concrete elements, including:

• Columns, piers, and cross beams of bridges
• Cooling towers, chimneys, and industrial structures
• Water treatment plants and sewer facilities, prior to coating
• Tunnels, pipes, outfalls, and other below-ground constructions
• Marine structures

Key Features

• R4 Class Compliant (EN 1504-3)
• Fiber-Reinforced for enhanced crack resistance
• Shrinkage-Compensated to minimize cracking
• Thixotropic for easy vertical and overhead application
• Chloride-Free – safe for reinforced concrete structures
•  High Bond Strength to both concrete and steel
•  Resistant to Freeze-Thaw Cycles and Sulfate Attack

Typical Applications

• Structural concrete repair in bridges, flyovers, and underpasses
• Restoration of columns, beams, and slabs
• Overhead and vertical concrete patching in commercial buildings
• Repair of marine structures exposed to harsh conditions
• Rehabilitation of industrial plants and wastewater treatment facilities

Technical Data Sheet:

Product Characteristics

• Appearance: Grey powder
• Packaging: 25 kg paper bags
• Shelf Life: 6 months when stored in original unopened packaging
• Storage Conditions: Store in a cool, dry place, protected from direct sunlight and moisture
• Maximum Grain Size: 2 mm
• Soluble Chloride Ion Content: ≤ 0.05% (EN 1015-17)

Performance Data

• Compressive Strength (EN 12190):

  • 1 day: ≥ 17 MPa

  • 7 days: ≥ 30 MPa

  • 28 days: ≥ 50 MPa

• Flexural Strength (EN 196-1): ≥ 7 N/mm² at 28 days
• Modulus of Elasticity (EN 13412): ≥ 25,000 N/mm²
• Adhesion to Concrete (EN 1542): ≥ 2.0 MPa
• Capillary Absorption (EN 13057): ≤ 0.5 kg·m⁻²·h⁻⁰.⁵
• Freeze-Thaw Resistance (EN 13687-1): ≥ 2.0 MPa after 50 cycles
• Carbonation Resistance (EN 13295): dk ≤ Reference Concrete
• Reaction to Fire (EN 13501-1): Class A1

Application Guidelines

• Mixing Ratio: 3.5 to 4.0 liters of water per 25 kg bag
• Fresh Mortar Density: Approx. 2.0 to 2.1 g/cm³
• Layer Thickness: 6 to 40 mm per layer
• Pot Life: Approx. 45 to 60 minutes at 21±2°C
• Application Temperature: +5°C to +35°C
• Curing Time: Full cure achieved after 28 days at 21±2°C

Packaging & Coverage

• Packaging: 25 kg moisture-resistant bags
• Coverage: ~13.5–14.5 liters of mixed mortar per 25 kg
• Shelf Life: 6 months in original, unopened packaging

Why Choose MasterEmaco S 488 in Bangladesh?

Bangladesh’s infrastructure faces harsh environmental challenges—humidity, salinity, temperature variations, and rapid urbanization. MasterEmaco S 488 is engineered to meet these demands with superior performance, long-lasting protection, and reliable application—even in coastal or industrial areas like Chattogram, Khulna, or Narayanganj.

Environmental & Safety Considerations:

MasterEmaco S 488 is free from chlorides and metallic aggregates, ensuring compatibility with steel reinforcement and reducing the risk of corrosion. Its low permeability protects against aggressive agents, enhancing the durability of repaired structures

Available Now Across Bangladesh:

MasterEmaco S 488 is available through authorized Sika distributors and construction supply dealers in Dhaka and nationwide. Whether you’re restoring an old bridge or upgrading an industrial facility, count on Sika’s advanced repair solutions.

 Need technical support or bulk pricing? Contact us today. Dusk Technology

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