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Sikafloor-420, Elastic, Uv-Resistant Polyurethane Floor Coating, Interior, White

Sikafloor-420, Elastic, Uv-Resistant Polyurethane Floor Coating, Interior, White

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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 5 L
Baza chimică Elastomeric Aliphatic Polyurethane
Utilizare UV and abrasion resistant coating for balconies and terraces
Metoda de aplicare Roller or trowel
Zona de utilizare Interior
Culoare White
Temperatura aerului ambiant +5 °C min. / +30 °C max.
Condiții de depozitare 12 months from date of production
Timp de întărire +10 °C 24 hours; +20 °C 16 hours; +30 °C 12 hours
Timp de lucru The material in opened containers should be applied immediately.  With open containers surface film formation will occur within 1–2 hours.High temperatures and high air humidity will accelerate curing significantly.
Densitate 1.29 kg/L
Consum N/A

Sikafloor-420 is a one part, elastic, low solvent containing, low odour, UV resistant, coloured, moisture-triggered polyurethane resin coating.

  • Low odour formulation
  • High solids
  • Moisture-triggered
  • Good UV and yellowing resistance
  • Weather resistant
  • Abrasion resistant with normal use
  • Slip resistant surfaces are possible
  • A range of finishes are available
Usage
  • Smooth or slip resistant, UV resistant, waterproof, abrasion resistant coating for concrete and cementitious screed substrates.
  • For light to medium mechanical exposure.
  • For balconies, terraces, footbridges, stairways, etc.
 
Advantages
  • Low odour formulation
  • High solids
  • Moisture-triggered
  • Good UV and yellowing resistance
  • Weather resistant
  • Abrasion resistant with normal use
  • Slip resistant surfaces are possible
  • A range of finishes are available
Packaging

5 litre (6.45 kilos), 15 litre (19.35 kilos) units
Colour

Masterbatch: Coloured liquid. White.
Tinted product: Coloured liquid. Broad colour range available.
Technical Information
Abrasion Resistance

~23mg (CS 10/1000 revolutions)

(BS EN ISO 7784-2:2006)

Tensile Strength

~5.0MPa

(EN ISO 527-3)

Chemical Resistance

Resistant to many chemicals.  Please ask for a detailed chemical resistance chart.
Please Note:   Wine, coffee, some leaves and flower petals etc. may cause surface discolouration.  This will have no effect on the product performance and durability.
Application Information
Ambient Air Temperature

+5°C min. / +30°C max.

Lower temperature and humidity will prolong curing times.  Ensure the floor is protected from foot traffic until adequately cured.
Relative Air Humidity

80% r.h. max.
35% min. (below +20°C: 45% min.)
Dew Point

Beware of condensation!
The substrate and uncured floor must be at least 3°C above dew point to reduce the risk of condensation or blooming on the floor finish.
Substrate Temperature

*+5°C min. / +30°C max.

* Lower temperature and humidity will prolong curing times.  Ensure the floor is protected from foot traffic until adequately cured.
Substrate Moisture Content

<4% pbw moisture content.  Test method: Sika-Tramex meter, CM - measurement or Oven-dry-method.  No rising moisture according to ASTM (Polyethylene-sheet).
Pot Life

The material in opened containers should be applied immediately.  With open containers surface film formation will occur within 1–2 hours.
High temperatures and high air humidity will accelerate curing significantly.
Curing Time

Before overcoating Sikafloor-420 allow:

Substrate temperature

Minimum

Maximum

+10°C

24 hours

14 days

+20°C

16 hours

14 days

+30°C

12 hours

7 days

Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.  After thorough cleaning, Sikafloor-420 can be overworked with itself at any time, assuming that all dirt has been removed and contamination is avoided.
Applied Product Ready for Use

Temperature (r.h. 50%)

Rain resistant

Foot traffic

Full Cure

+10°C

~ 15 hours

~ 1–2 days*

~ 7 -14 days*

+20°C

~ 5 hours

~ 24 hours*

~ 5–9 days*

+30°C

~ 3 hours

~ 18 hours*

~ 3–5 days*

When using Sika-PU Accelerator:

Temperature (r.h. 75%)

Rain Resistant

Foot Traffic

Full Cure

+20°C

~ 1 hour

~ 3 hours*

~ 3-5 days*

*Strongly influenced by layer thickness

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