SikaRep®

Description

Description:
SikaRep® PK is a one-component, fiber-reinforced, low-shrinkage concrete repair mortar.

Uses:

• Ideal for repairing spalled and damaged concrete in buildings, bridges, infrastructure, and superstructure works.
• Helps improve the load-bearing capacity of concrete structures by adding mortar.
• Used to increase concrete cover, replacing contaminated or carbonated concrete.
• Suitable for large-volume repairs with significant mortar thickness.
• Can be applied on vertical and overhead surfaces.
• Effective for filling pores, small concrete damages, corners, joint edges, and shaping or covering joints.

Characteristics/Advantages:

• Excellent workability.
• Strong adhesion to common building materials like concrete, stone, brick, and steel.
• Low shrinkage properties.
• Good compressive and flexural strength.
• Smooth finish achievable.
• Suitable for both hand and machine application.

Product Information:

• Chemical Base: Cement, selected aggregates, and additives.
• Packaging: 25 kg bag.
• Shelf Life: Minimum 6 months from production date.
• Storage Conditions: Store in original, sealed packaging in a dry, cool place.
• Appearance/Color: Grey powder.
• Maximum Grain Size: 2.5 mm.
• Total Chloride Ion Content: ≤ 0.05%.

Technical Information:

• Compressive Strength: Approximately 40 MPa after 28 days.

Application Information:

• Mixing Ratio: 3.75 to 4.25 liters of water per 25 kg bag.
• Fresh Mortar Density: ~2.25 kg/l (at 25 °C).
• Yield: Approximately 12.8 L per 25 kg bag.
• Layer Thickness:
  • Minimum: 5 mm per layer.
  • Maximum: 30 mm per layer.
• Ambient Air Temperature: +5 °C minimum / +35 °C maximum.
• Substrate Temperature: +5 °C minimum / +35 °C maximum.
• Pot Life: Approximately 45 minutes.