Sikafloor-151 (AB) | MCT CHEMICAL | SIKA PAKISTAN

DESCRIPTION
Sikafloor®-151 is a two-component, low-viscosity, multipurpose filled epoxy resin designed for priming and leveling concrete and cement-based substrates. It is ideal for indoor applications due to its low odor and is suitable for use in hot and tropical climates.

USES
Sikafloor®-151 should only be applied by experienced professionals. It is used for:

• Priming concrete surfaces, cement screeds, and epoxy mortars
• Priming low to medium absorbent substrates
• Priming for Sika® epoxy and polyurethane flooring systems
• Serving as a binder for leveling mortars and screeds

FEATURES

• Suitable for indoor use due to low odor
• Versatile and can be used in various applications
• Improves the ecological impact of the project
• Low viscosity for easy application
• Good substrate penetration
• Strong bonding capability
• Short waiting times

SUSTAINABILITY

• Environmental Product Declaration (EPD) in compliance with EN 15804, verified by Institut für Bauen und Umwelt e.V. (IBU)
• Contributes to LEED® v4 Indoor Environmental Quality Credit: Low-Emitting Materials
• Contributes to LEED® v4 Materials and Resources Credits: Building Product Disclosure and Optimization

CERTIFICATES AND TEST REPORTS

• Fire Classification Report EN 13501-1
• CE marking and performance declaration per EN 13813:2002 and EN 1504-2:2004
• Bond behavior report EN 13578

PRODUCT INFORMATION

• Composition: Solvent-free epoxy
• Packaging:
  • Part A: 21.25 kg unit
  • Part B: 3.75 kg unit
  • Part A + B: 25 kg ready-to-mix unit
  • Part A: 23.80 kg unit
  • Part B: 4.20 kg unit
  • Part A + B: 28 kg ready-to-mix unit
• Shelf Life: 24 months from production date
• Storage: Store in unopened, sealed packaging in dry conditions at temperatures between +5°C and +30°C. Protect from direct sunlight and moisture.
• Appearance/Color:
  • Part A: Brownish-transparent liquid
  • Part B: Transparent liquid
• Density:
  • Part A: ~1.60 kg/L
  • Part B: ~0.99 kg/L
  • Mixed Product: ~1.47 kg/L
• Solid Content: ~100% by volume

TECHNICAL INFORMATION

• Shore D Hardness: ~80 (EN ISO 868)
• Tensile Adhesion Strength: ≥ 1.5 N/mm² (EN 1542)
• Service Temperature:
  • Maximum exposure to +60°C, but avoid simultaneous mechanical or chemical strain at elevated temperatures.
  • Short-term exposure to +60°C for up to 7 days

APPLICATION INFORMATION

• Mixing Ratio: Part A : Part B = 85 : 15 (by weight)
• Consumption:
  • Priming: 1-2 coats at 0.35-0.55 kg/m²
  • Fine leveling mortar (surface roughness < 1 mm): 1 part Sikafloor®-151 + 0.5 parts quartz sand ~1.7 kg/m²/mm
  • Medium leveling mortar (surface roughness < 2 mm): 1 part Sikafloor®-151 + 1 part quartz sand ~1.9 kg/m²/mm
  • Resin screed (15-20 mm thickness): 1 part Sikafloor®-151 + 8 parts quartz sand ~2.1 kg/m²/mm

Consumption Notes

• Sand mix quantities are indicative and must be confirmed by pre-trials
• The maximum grain size should not exceed 1/3 of the final layer thickness
• The consumption values are theoretical and do not account for variations such as surface porosity, profile, or wastage
• Material Temperature: Minimum +10°C, Maximum +30°C
• Ambient Air Temperature: Minimum +10°C, Maximum +30°C
• Relative Humidity: Maximum 80%
• Dew Point: Ensure substrate and uncured product are at least 3°C above dew point to avoid condensation and blooming.

Substrate Moisture Content

• For cementitious substrates: Moisture content should be ≤ 4% (CM-method) and no rising moisture (ASTM D4263, polyethylene sheet).
• For moisture > 4%, apply Sikafloor® EpoCem® as a temporary moisture barrier.

Pot Life

• At +10°C: ~50 minutes
• At +20°C: ~25 minutes
• At +30°C: ~15 minutes

Waiting Time for Overcoating

• Non-solvent based products:
  • At +10°C: 17 hours to 4 days
  • At +20°C: 9 hours to 48 hours
  • At +30°C: 7 hours to 24 hours
• Solvent-based products:
  • At +10°C: 60 hours to 6 days
  • At +20°C: 36 hours to 4 days
  • At +30°C: 28 hours to 48 hours