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Sika Ucrete BC 4, Basecoat for 4 Mm Ucrete Systems, Interior

Sika Ucrete BC 4, Basecoat for 4 Mm Ucrete Systems, Interior

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Sika

Sika is a global leader in specialty chemicals for the construction and industrial sectors. The company develops and supplies innovative products and systems for bonding, sealing, damping, reinforcing, and protecting structures. With a strong focus on sustainability and performance, Sika serves a wide range of applications including concrete production, waterproofing, roofing, flooring, and structural strengthening.

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General Specifications
Ambalaj 18.88 kg
Utilizare Basecoat and scratch coat under Ucrete systems (4 mm)
Baza chimică Water-based polyurethane cement hybrid
Zona de utilizare Interior
Culoare N/A
Condiții de depozitare The Product must be stored in original, unopened and undamaged sealed packaging in dry conditions at temperatures between +5 °C and +30 °C. Always refer to the packaging.Refer to the current Safety Data Sheet for information on safe handling and storage.
Densitate N/A
Consum 6.0-8.0 kg/m²
Grosimea aplicării 4.0 mm
Temperatura aerului ambiant +12°C min. / +30°C max.
Temperatura substratului +12°C min. / +30°C max.
Timp de așteptare +8°C – 16–24h / +10°C – 4h (with Ucrete Accelerator)

Heavy-duty, flow-applied basecoat for 4 mm Sika Ucrete flooring systems

Sika Ucrete BC 4 is a fast-curing, flow-applied mortar. It provides a broadcasted base coat for 4 mm Sika Ucrete flooring systems.

  • Expert installation by fully trained and licensed applicators
  • Suitable for application on to 7-day-old concrete and 3-day-old polymer screed
Usage
Sika Ucrete BC 4 is used as a:
  • Basecoat under Sika Ucrete DP, Sika Ucrete CS and Sika Ucrete HPQ flooring systems
  • Scratch coat under all Sika Ucrete flooring systems
Please note:
  • The Product may only be used by experienced professionals.
 
Advantages
  • Expert installation by fully trained and licensed applicators
  • Suitable for application on to 7-day-old concrete and 3-day-old polymer screed
  • Can be accelerated with Sika Ucrete Accelerator for fast installation within a 12-hour window
  • Non-tainting from the end of mixing
Packaging

18.88 kg

Refer to the current price list for available packaging variations.
Technical Information
Tensile adhesion strength

> 2.0 N/mm² (concrete failure)

(EN 1542)

Chemical Resistance

Laboratory-defined resistance to many individual chemicals. Before proceeding, contact Sika Technical Service for specific information.
Application Information
Layer Thickness

4.0 mm
Product Temperature

Maximum

+25 °C

Minimum

+15 °C
Ambient Air Temperature

Maximum

+30 °C

Minimum

+12 °C
Dew Point

Beware of condensation. The substrate and uncured applied product must be at least +3 °C above the dew point to reduce the risk of condensation or blooming on the surface of the applied product. Low temperatures and high humidity conditions increase the probability of blooming.
Substrate Temperature

Maximum

+30 °C

Minimum

+12 °C
Waiting Time / Overcoating

Substrate temperature

Waiting time

+8 °C

16–24 hours

+10 °C

4 hours (with Sika Ucrete Accelerator)

Note: Times are approximate and will be affected by changing ambient and substrate conditions.