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Sikagard-552 W Aquaprimer, Water-Based Primer for Concrete Protection Coatings, Exterior, Milky white, 10 L

Sikagard-552 W Aquaprimer, Water-Based Primer for Concrete Protection Coatings, Exterior, Milky white, 10 L

Primers, Paints & Pigments
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
Packaging 10 L
Chemical Base Acrylate dispersion
Usage Primer for waterborne coatings and mortars on concrete and cementitious bases
Application Method Brush or roller
Usage Area Exterior
Color Milky white
Service Temperature +5 °C min. / +35 °C max.
Storage Conditions 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 packaging.Refer to the current Safety Data Sheet for information on safe handling and storage.
Density ~1.0 kg/l (at 20 °C)
Consumption 0.10–0.12 kg/m² (8–10 m² per litre) dependent on the absorbency of the substrate.

Waterborne primer for concrete protection coatings

Sikagard®-552 W Aquaprimer is a one-part waterborne adhesion promoting primer for water dispersed polymer paint coatings. Sikagard®-552 W Aquaprimer is part of a system that is in scope of the requirements of EN 1504-2 as a protective coating.

  • Waterborne - safer to use than solvented products.
  • Water vapour permeable.
  • Good adhesion to concrete.
  • Single component - ready to use.
  • Easy to apply.
  • Compatible with Sika® Anti-Carbonation Coatings.
Usage
The Product is used as a primer before the following products:
  • Waterborne concrete protection coatings.
  • Cementitious resurfacing mortars.
The Product is used on the following substrates:
  • Untreated concrete.
  • Concrete treated with hydrophobic impregnations.
  • Existing firmly adhering waterborne coatings.
  • Fibre cement.
  • Leveling mortars.
  • Gypsum.
  Suitable for protection against ingress (Principle 1, method 1.3 of EN 1504-9). Suitable for moisture control (Principle 2, method 2.3 of EN 1504-9). Suitable for increasing the resistivity (Principle 8, method 8.3 of EN 1504-9). Please note:
  • The Product may only be used by experienced professionals.
Advantages
  • Waterborne - safer to use than solvented products. 
  • Water vapour permeable.
  • Good adhesion to concrete.
  • Single component - ready to use.
  • Easy to apply. 
  • Compatible with Sika® Anti-Carbonation Coatings. 
Packaging

10 litre plastic containers
Colour

Cured appearance = Milky white liquid
Application Information
Product Temperature

Maximum

+35 °C

Minimum

+8 °C
Ambient Air Temperature

Maximum

+35 °C

Minimum

+8 °C
Relative Air Humidity

Maximum

80 %
Dew Point

Beware of condensation. The substrate and uncured applied product must be at least +3 °C above 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

+35 °C

Minimum

+8 °C
Substrate Moisture Content

Substrate

Test method

Moisture content

Cementitious substrates

Calcium carbide method (CM-method)

≤ 4 %

No rising moisture (ASTM D4263, polyethylene sheet)
Waiting Time / Overcoating

PRIMER FOR COATING PRODUCTS

Waiting time before applying a waterborne coating:

Temperature

Time

+8 °C

12 hours

+20 °C

5 hours

+35 °C

2.5 hours

When the application is over an existing coating, waiting time to overcoating is doubled.

PRIMER FOR CEMENT BASED RESURFACING PRODUCTS

When used as primer under resurfacing mortar apply the mortar while the primer is tacky. If the Product has dried out completely, re-apply 1 coat.