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Sikagard-720 EpoCem, 3-part leveling and filling mortar cement & epoxy blend, Interior & Exterior, Grey, 21 kg

Sikagard-720 EpoCem, 3-part leveling and filling mortar cement & epoxy blend, Interior & Exterior, Grey, 21 kg

Cement & Mortar
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 21 kg
Usage Thin layer render, concrete pore filler, repairing minor defects, protecting concrete in aggressive environments
Usage Area Interior & Exterior
Color Grey
Chemical Base Epoxy modified cementitious mortar.
Storage Conditions +5 °C to +30 °C - Store in original, unopened, undamaged packaging in dry conditions. Always refer to packaging
Density 2230 kg/m³
Application Thickness 0.5 mm >< 5 mm
Ambient Air Temperature +8°C >< +30°C
Substrate Temperature +8°C >< +30°C
Working time 20 - 80 minutes
Waiting Time 20 - 80 minutes
Consumption 2.0 kg/m²/mm

3-part cement and epoxy combination pore filler and leveling mortar

Sikagard-720 EpoCem is a 3-part, epoxy modified, cementitious, fine textured mortar for levelling and finishing concrete, mortar or stone surfaces.

  • Improved chemical resistance compared to PCC mortars
  • Good protection of concrete in aggressive environments
  • Waterproof
  • Application range 0.5-3mm on vertical and horizontal surfaces
  • Good adhesion to damp or dry concrete
  • Fast overcoating of Sika resin based finish products
  • Good surface finishing
  • Does not require overcoating
  • Manual and machine application (wet spray technique)
Usage
Sikagard-720 EpoCem may only be used by experienced professionals.
  • Thin layer render
  • Concrete pore filler/ levelling mortar
  • Repairing minor defects (pores and honeycombed concrete)
  • Protecting concrete in aggressive and chemical environments
  • As a Temporary Moisture Barrier (TMB) for Sikafloor or Sikagard resin products
  • Suitable for moisture control (Principle 2, method 2.3 of EN 1504-9)
  • Suitable for restoration work (Principle 3, method 3.1 and 3.3 of EN 1504-9).
  • Suitable for physical resistance (Principle 5, method 5.1 of EN 1504-9)
  • Suitable for preserving or restoring passivity (Principle 7, method 7.1 and 7.2 of EN 1504-9)
  • Suitable for increasing resistivity (Principle 8, method 8.3 of EN 1504-9)
  • For interior and exterior use
 
Advantages
  • Improved chemical resistance compared to PCC mortars
  • Good protection of concrete in aggressive environments
  • Waterproof
  • Application range 0.5-3mm on vertical and horizontal surfaces
  • Good adhesion to damp or dry concrete
  • Fast overcoating of Sika resin based finish products
  • Good surface finishing
  • Does not require overcoating
  • Manual and machine application (wet spray technique)
Packaging

Pre-batched 21 kg sets.

Part A

1.14 kg container

Part B

2.86 kg container

Part C

17 kg bags
Colour

Part A-resin

white liquid

Part B - hardener

transparent yellow liquid

Part C - filleraggregate powder
Finish Colour~grey
Technical Information
Compressive Strength

> 45 N/mm2  (28 days / +20 °C / 50 % r.h)

(EN 1504–3 : Class R4)

(EN196–1)

Flexural Strength

> 5 N/mm2 (28 days / +20 °C / 50 % r.h)

(EN196–1)

Coefficient of Thermal Expansion

~13 × 10–6 1/K

Reaction to Fire

Class A2(fl) S1

(EN 13501–1)

Freeze Thaw De-Icing Salt Resistance

Resistance Factor WFT–99 % (High)

(EN196–1)

Sulfate Resistance

High Sulphate Resistance

(ASTM C 1012)

Permeability to CO2

µC02  ~5400

(EN 1062–6)

Service Temperature

-30 °C min. / +80 °C max. for continuous exposure.
Application Information
Mixing Ratio

Packaging size

Part A : part B : part C = 1.14 kg : 2.86 kg : 17 kg

Mixing ratio

1 : 2.5 : 14 - 15 (by weight)
Layer Thickness

Temporary moisture barrier (TMB): 2.0 mm minimum. 

Pore filling, repair and levelling: 0.5 mm min. / 3.0 mm max.

Pore filling and repairing small areas: (< 0.01 m2) 5.0 mm max.
Ambient Air Temperature

+8 °C min. / +30 °C max.
Substrate Temperature

+8°C min. / +30°C max.
Pot Life

Temperature

Time

+10 °C

~80 minutes

+20 °C

~40 minutes

+30 °C~20 minutes

21 kg unit
Waiting Time / Overcoating

Once Sikagard-720 EpoCem is tack free it is possible to apply vapour permeable resin finishes.
For the application of vapour tight resin finishes on Sikagard-720 EpoCem, allow the surface moisture to fall below 4 % and not earlier than:

Temperature

Time

+10 °C

~60 hours

+20 °C

~15 hours

+30 °C~8 hours

Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Curing Treatment

Temperature

Full cure

+10 °C

~14 days

+20 °C

~7 days

+30 °C~4 days

Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.