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Sikagard-403 W, Antimicrobial Acrylic Coating, Interior & Exterior

Sikagard-403 W, Antimicrobial Acrylic Coating, Interior & Exterior

Surface Treatments
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 5 L
Usage Hygiene coating for internal walls in clean/medical/food facilities
Chemical Base Styrene-acrylic copolymer dispersion, waterborne
Usage Area Interior & Exterior
Color BS08B15
Storage Conditions Store in closed, sealed and undamaged packaging in dry conditions at temperatures between +5 °C and +30 °C. Protect from direct sunlight and frost
Density 1.34 kg / L (+23 °C)(EN ISO 2811-1)
Consumption 0.28 kg / m² per layer unreinforced0.80 kg / m² per layer for reinforcement with Sika Reemat Premium

Sikagard-403 W is a single component, waterborne modified acrylic resin based intermediate and surface coating, containing an antimicrobial additive.

  • Seamless, easy to clean finish
  • Good resistance to repeated cleaning regimes using mild detergents and cleaning solutions
  • Tough and highly durable
  • Good water vapour permeability
  • More flexible in comparison to standard acrylic paints, improves resistance to cracking and flaking
  • Ultra-low emissions
  • Good opacity
  • Odourless
  • Easy to apply
Usage
  • Application on concrete, bricks, cement and gypsum based substrates, metal surfaces, timber, tiles and plastic
  • Embedment, intermediate and top coat for internal walls and ceilings
  • Suitable for production facilities in the pharmaceutical, medical engineering, food and beverage industry, as well as, hospitals, prisons, healthcare and leisure facilities
     
Advantages
  • Seamless, easy to clean finish
  • Good resistance to repeated cleaning regimes using mild detergents and cleaning solutions
  • Tough and highly durable
  • Good water vapour permeability
  • More flexible in comparison to standard acrylic paints, improves resistance to cracking and flaking
  • Ultra-low emissions
  • Good opacity
  • Odourless
  • Easy to apply
Packaging

5.0 l = 6.60 kg drums 
15.0 l = 19.80 kg drums 
 

Colour

Available colours BS08B15, BS12B21, BS14C31, BS18E49, BS18E50, RAL1013, RAL3015, RAL7035, RAL9001, White
 

Technical Information

Tensile Strength

 

 

~2.8 N/mm² unreinforced(EN ISO 527-3)

 

Tensile adhesion strength

 

 

 

 

> 1.5 N/mm²          to concrete primed with Sika Bonding Primer(ISO 4624)

 

 

Chemical Resistance

 

Resistant to mild detergents and cleaning agents. Please contact Sika technical service for specific information.

Disinfection with Hydrogen Peroxide Vapour:

  • Resistant when using Steris VHP technology
  • Resistant to PEA vaporisation technology, when a system build up with glass fibre reinforcement is used
  • Resistant when using Oxypharm vaporiser type NOCOSPRAY under following conditions:

 

DisinfectantConcentrationSetting at vaporiserContact time
NOCOLYSE Mint (6 %)1 ml/m³20 m³ 
(1.5 minutes vaporisation)		30 min
NOCOLYSE One Shot (12 %)3 ml/m³ 
(2 cycles)		45m³ 
(5 minutes vaporisation)		30 min
NOCOLYSE Food (7.9 %)1 ml/m³20 m³ 
(1.5 minutes vaporisation)		30 min
NOCOLYSE Food (7.9 %)5 ml/m³ 
(2 cycles)		75m³ 
(5 minutes vaporisation)		60 min

 

 

Permeability to Water Vapour

 

 

~37.5 g/m² in 24 hours(EN ISO 7783-1)

 

Application Information

Layer Thickness 

 

Wet film thickness~200 µm per layer unreinforced
Dry film thickness~100 µm per layer unreinforced

 

Product Temperature 

+8 °C min. / +35 °C max.

Ambient Air Temperature 

+8 °C min. / +35 °C max.

Relative Air Humidity 

< 80 %

Dew Point 

Beware of condensation substrate temperature must be at least +3 °C above dew point

Substrate Temperature 

+8 °C min. / +35 °C max.

Substrate Moisture Content 

Visible damp free

Curing Time 

Before overcoating with Sikagard-403 W

TemperatureMinimumMaximum
+10 °C4 hours7 days
+20 °C 2 hours7 days
+30 °C 1 hour 7 days

 
 
Before overcoating with 2-comonent top coats

TemperatureMinimumMaximum
+10 °C16 hours7 days
+20 °C8 hours7 days
+30 °C 4 hours7 days