Sikafloor® MultiDur EB-31 ECF
Sikafloor® MultiDur EB-31 ECF is a two part, electrostatic conductive self-smoothing, broadcast coloured epoxy flooring system with very high chemical resistance. "Total solid epoxy composition acc. to the test method Deutsche Bauchemie e.V. (German Association for construction chemicals)".
- Very high chemical resistance
- High mechanical resistance
- Impervious to liquids
- Abrasion resistant
- Electrostatic conductive
- Slip resistant surface
Usage
It is used as:- Chemically highly resistant and slip resistant coating for concrete and screed surfaces in bund areas for the protection against water contaminating liquids (contact Sika technical service for specific information)
- Electrostatic conductive wearing layer for areas subject to chemical and mechanical exposure in production and storage facilities
Advantages
- Very high chemical resistance
- High mechanical resistance
- Impervious to liquids
- Abrasion resistant
- Electrostatic conductive
- Slip resistant surface
Packaging
Please refer to individual Product Data Sheet.
Colour
Almost unlimited choice of colour shades. Under direct sun radiation there may be some discolouration and colour deviation, this has no influence on the function and performance
of the coating.
Appearance
Broadcast - semi gloss
System Details
APPROVALS / STANDARDS
- Resin: Synthetic resin screed material according to EN 13813:2002, Declaration of Performance 02 08 01 02 019 0 000010 2017, and provided with the CE marking.
- Resin: Coating for surface protection of concrete according to EN 1504-2:2004, Declaration of Performance 02 08 01 02 019 0 000010 2017, and provided with the CE marking.
- Resin: Reaction to fire classification acc. to DIN EN 13301-1. Test report No.: 2013-B-1413/01.
- Resin: Particle emission certificate Sikafloor®-381 ECF CSM Statement of Qualification - ISO 14644-1, class 4 - Report No. SI 1312-681
System Structure
Sikafloor® MultiDur EB-31 ECF:
| 1. Primer + Earthing connection | Sikafloor®-150/-151+ Sika® Earthing Kit |
| 2. Conductive primer | Sikafloor®-220 W Conductive |
| 3. Conductive base coating + broadcasting | Sikafloor®-381 ECF (unfilled), broadcast to excess with silicone carbide 0.5-1.0 mm. |
| 4. Final topcoat | Sikafloor®-381 + 5 % wt.-% Thinner C |
The system configurations as described must be fully complied with and may not be changed.
Composition
Epoxy
Nominal Thickness
~ 2.0 - 2.5 mm
Shelf Life
Please refer to individual Product Data Sheet.
Storage Conditions
Please refer to individual Product Data Sheet.
Compressive Strength
~ 80 N/mm² (Sikafloor-381 ECF filled acc. PDS) | (14 days / +23 °C) |
Tensile Strength
~ 55 N/mm² (Sikafloor®-381 ECF filled acc. PDS) | (14 days / +23 °C) |
USGBC LEED Rating
Conforms to the requirements of LEED EQ Credit 4.2: Low-Emitting Materials: Paints & Coatings SCAQMD Method 304-91 VOC Content <100 g/l.
Electrostatic Behaviour
Resistance to ground1 | Rg < 109 Ω |
Typical average resistance to ground2 | Rg < 106 Ω |
1 In accordance with IEC 61340-5-1 and ANSI/ESD S20.20.
2 Readings may vary, depending on ambient conditions (i.e. temperature, humidity) and measurement equipment.
Application
Ambient Air Temperature
+10 °C min. / +30 °C max.
Relative Air Humidity
80 % r.h. max.
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).
Waiting Time / Overcoating
Before applying Sikafloor®-220 W Conductive on Sikafloor®-150/151 allow:
| Substrate temperature | Minimum | Maximum |
| +10 °C | 24 hours | 4 days |
| +20 °C | 12 hours | 2 days |
| +30 °C | 8 hours | 1 days |
Before applying Sikafloor®-381 ECF on Sikafloor®-220 W Conductive allow:
| Substrate temperature | Minimum | Maximum |
| +10 °C | 26 hours | 7 days |
| +20 °C | 17 hours | 5 days |
| +30 °C | 12 hours | 4 days |
Before applying Sikafloor®-381 on Sikafloor®-381 ECF broadcast with conductive aggregate allow:
| Substrate temperature | Minimum | Maximum |
| +10 °C | 48 hours | 3 days |
| +20 °C | 24 hours | 2 days |
| +30 °C | 12 hours | 1 days |
Times are approximate and will be affected by changing ambient conditions particularly temperature and relative humidity.
Applied Product Ready for Use
Temperature | Foot traffic | Light traffic | Full cure |
+10 °C | ~ 24 hours | ~ 3 days | ~ 10 days |
+20 °C | ~ 18 hours | ~ 2 days | ~ 7 days |
+30 °C | ~ 12 hours | ~ 1 days | ~ 5 days |
Note: Times are approximate and will be affected by changing ambient conditions
Consumption
| Coating | Product | Consumption |
| Primer | Sikafloor®-150/-151 | 1-2 x ~ 0.3 - 0.5 kg/m² |
| Levelling (if required) | Sikafloor®-150/-151 levelling mortar | Refer to PDS of Sikafloor®-150/-151 |
| Earthing connection | Sika® Earthing Kit | 1 earthing point per approx. 200 -300 m², min. 2 per room. |
| Conductive primer | Sikafloor®-220 W Conductive | 1 x 0.08 - 0.10 kg/m² |
| Conductive base coating | Sikafloor®-381 ECF, unfilled | 1x 1.6 kg/m² Binder, broadcast to excess with silicone carbide 0.5-1.0. mm* |
| Final topcoat | Sikafloor®-381 + 5 % Thinner C | 0.75 - max. 0.85 kg/m² |
These figures are theoretical and do not allow for any additional material due to surface porosity, surface profile, variations in level or wastage etc.
*Silicone carbide "SiC 18/35 in a splintery grain shape and a grain size of 0.5-1.0 mm" can be purchased from ESH-SIC GmbH, Günter-Wiebke-Str. 1 , 50226 Frechen, Germany, http://www.esk-sic.com. As alternative the conductive aggregate "Granucol Conduct No. 7" (grain size 0.6 - 1.2 mm) can be used. Supplier: Gebrüder Dorfner GmbH & Co. Kaolin- und Kristallquarzsand-Werke KG, Scharhof 1, 92242 Hirschau, Germany, http://www.dorfner.com
CLEANING
Please refer to the individual Sikafloor® Cleaning Regime.