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Sikafloor-3240, Tough-Elastic I-Cure Pu Resin for Self-Smoothing Floors, Interior, 50 Kg

Sikafloor-3240, Tough-Elastic I-Cure Pu Resin for Self-Smoothing Floors, Interior, 50 Kg

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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 Part A: 20.25 kg; Part B: 4.75 kg; Part A + B: 25.0 kg ready to mix unit
Baza chimică Polyurethane (PUR)
Utilizare Crack-bridging flooring for industrial and commercial areas including wet zones
Metoda de aplicare Roller or notched trowel
Zona de utilizare Interior
Culoare Part A coloured, liquid; Part B transparent, liquid
Temperatura aerului ambiant +10 °C min. / +30 °C max.
Condiții de depozitare The product must be stored properly in original, unopened and undamaged sealed packaging, in dry conditions at temperatures between +5°C and +30°C.
Timp de întărire N/A
Timp de lucru +10 °C ~40 minutes; +20 °C ~30 minutes; +30 °C ~20 minutes
Densitate Part A: 1.4 kg/L; Part B: 1.3 kg/L; Mixed resin: 1.6 kg/L
Consum N/A

Sikafloor-3240 is a two-part solvent free, coloured self-smoothing PUR resin, total solid according to Deutsche Bauchemie, with tough-elastic properties. Sikafloor-3240 makes use of Sika's unique i-Cure technology to improve surface aesthetics and reduce sensitivity for ambient humidity during application.

  • Flexible and tough-elastic
  • Crack-bridging
  • Application on asphalt substrates possible (mastic asphalt)
  • Good chemical and mechanical resistance
  • Solvent-free and low VOC emissions
  • Possible slip resistant surface
  • Easy to apply and to keep clean
  • Economical
  • Not sensitive to moisture
Usage
  • Smooth wearing course with crack-bridging properties for industrial floors in production and storage facilities, workshops, etc.
  • Broadcast wearing course with crack-bridging properties for wet working areas (food and beverage industry etc.), car park decks and loading ramps, etc.
  • Applicable on asphalt surfaces, indoor, as in shopping centres, exhibition and storage areas.
Advantages
  • Flexible and tough-elastic
  • Crack-bridging
  • Application on asphalt substrates possible (mastic asphalt)
  • Good chemical and mechanical resistance
  • Solvent-free and low VOC emissions
  • Possible slip resistant surface
  • Easy to apply and to keep clean
  • Economical
  • Not sensitive to moisture
Packaging

Part A

20.25 kg containers

Part B

4.75 kg containers

Part A+B

25.0 kg ready to mix units
Colour

Part A

coloured, liquid

Part B

transparent, liquid

Sikafloor-3240 is available in broad range of colours.
Technical Information
Shore D Hardness

~ 60 (7 days/23 °C/50 % r.h.)

(DIN 53505)

Abrasion Resistance

~ 65 mg (14 Days/23 °C/50 % r.h.)

(ASTM D 4060)

Tensile Strength

~ 14 N/mm2 (14 days/23 °C/50 % r.h.)

(DIN EN ISO 527-2)

Tensile adhesion strength

>1.5 N/mm2 (failure in concrete)

(EN 13892-8)

Chemical Resistance

Resistant to many chemicals. Contact Sika technical service for specific information.
Application Information
Mixing Ratio

Part A : Part B = 81 : 19 (by weight)
Ambient Air Temperature

+10 °C min. / +30 °C max.
Relative Air Humidity

~ 75 - 80 %
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

+10 °C min. / +30 °C max.
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

Temperatures

Time

+10 °C

~ 40 minutes

+20 °C

~ 30 minutes

+30 °C

~ 20 minutes
Curing Time

Before overcoating Sikafloor-3240 allow:

Substrate temperature

Minimum

Maximum

+10 °C

~ 30 hours

~ 72 hours

+20 °C

~ 24 hours

~ 48 hours

+30 °C

~ 16 hours

~ 36 hours

Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity. If maximum waiting time is exceeded, the Sikafloor-3240 surface have to be grinded to get mechanical bonding between the Sikafloor layers
Applied Product Ready for Use

Temperature

Foot traffic

Light traffic

Full Cure

+10 °C

1 day

3 days

9 days

+20 °C

12 hours

2 days

5 days

+30 °C

8 hours

1 day

3 days

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