Sikafloor® MultiDur EB-39 ECF
Conductive, slip-resistant, unicolour epoxy flooring system with high chemical resistance
Sikafloor® MultiDur EB-39 ECF is an electrostatically conductive, slip-resistant, coloured epoxy flooring system with high chemical resistance.
- Good resistance to abrasion
- Electrostatically conductive
- Very good resistance to specific chemicals
- Good mechanical resistance
- Impermeable to liquids
System Structure
Usage
The System is used in industrial buildings such as:- Chemical and processing facilities
- Electronic facilities and data centres
- The System may only be used by experienced professionals.
- The Product may only be used for interior applications.
Advantages
- Good resistance to abrasion
- Electrostatically conductive
- Very good resistance to specific chemicals
- Good mechanical resistance
- Impermeable to liquids
Colour
Cured system colour | Available in various colour shades. |
Appearance
Slip resistant, semi-gloss finish
System Details
APPROVALS / STANDARDS
-
Fire Classification report EN 13501-1, GHENT, No. CR 22-0995-01
System Structure
| Layer | Product | |
| 1. | Primer | Sikafloor®-150 Sikafloor®-151 Sikafloor®-156 Sikafloor®-161 Contact Sika Technical Service for information on choosing the right primer for your project. |
| 2. | Conductive primer + Earthing connection | Sikafloor®-220 W Conductive + Sikafloor® Conductive Set |
| 3. | Conductive base coating + Broadcast | Sikafloor®-390 ECF N, broadcast to excess with silicone carbide 0.5-1.0 mm. |
| 4. | Final topcoat | Sikafloor®-390 N + 5 % wt.-% Sika® Thinner C |
Composition
Epoxy
Nominal thickness
2 mm to 2.5 mm
Tensile adhesion strength
≥ 1.5 MPa | (EN 1542) |
Reaction to Fire
| Class Bfl-S1 | (EN 13501-1) |
Electrostatic Behaviour
Resistance to ground | Rg < 109 Ω |
Typical average resistance to ground | Rg < 106 Ω |
ECF MEASUREMENT CONDITIONS AND SPECIFICATIONS
All measurement values for the system stated in the System Data Sheet (except those referring to proof statements) were measured using the following equipment and ambient conditions:
Condition or Equipment | Specification |
Size of ESD-footwear | 42 (EU) (UK: 8; US: 8,5) |
Test person weight | 90 kg |
Ambient conditions | +23 °C and 50 % r.h. |
Measuring device for measuring resistance to ground | Metriso 2000 or 3000 (Warmbier) or comparable |
Surface resistance probe | Carbon Rubber electrode. Weight: 2,50 kg |
Rubber pad hardness | Shore A (60 ±10) |
Measurement results during testing
Note: If values are lower or higher than required, carry out additional measurements about 30 cm around the point where the faulty readings are located. If the re-measured values are in accordance with the requirements, the total area is acceptable. If the requirements cannot be verified, contact Sika Technical Services.
Application
Ambient Air Temperature
Maximum | +30 °C |
Minimum | +10 °C |
Relative Air Humidity
Maximum | 80 % r.h. |
Dew Point
Refer to the individual Product Data Sheet.
Substrate Temperature
Maximum | +30 °C |
Minimum | +10 °C |
Substrate Moisture Content
Refer to the individual Product Data Sheet.
Waiting Time / Overcoating
Before applying Sikafloor®-220 W Conductive on the primer layer allow:
Temperature | Minimum | Maximum |
+10 °C | ~17 hours | ~ 4 days |
+20 °C | ~9 hours | ~ 2 days |
+30 °C | ~7 hours | ~ 1 day |
Before applying Sikafloor®-390 ECF N on Sikafloor®-220 W Conductive allow:
Temperature | Minimum | Maximum |
+10 °C | ~ 26 hours | ~ 7 days |
+20 °C | ~ 17 hours | ~ 5 days |
+30 °C | ~ 12 hours | ~ 4 days |
Before applying Sikafloor®-390 N on Sikafloor®-390 ECF N broadcast with conductive aggregate allow:
Temperature | Minimum | Maximum |
+10 °C | ~ 48 hours | ~ 3 days |
+20 °C | ~ 24 hours | ~ 2 days |
+30 °C | ~ 18 hours | ~ 1 day |
Note: 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 | ~ 48 hours | ~ 6 days | ~ 14 days |
+20 °C | ~ 30 hours | ~ 4 days | ~ 10 days |
+30 °C | ~ 20 hours | ~ 3 days | ~ 7 days |
Note: Times are approximate and will be affected by changing ambient conditions, particularly temperature and relative humidity.
Consumption
Layer | Product | Consumption |
Primer | Sikafloor®-150 Sikafloor®-151 Sikafloor®-156 Sikafloor®-161 | 1-2 × 0.3–0.5 kg/m² |
Levelling | Sikafloor®-150 Sikafloor®-151 Sikafloor®-156 Sikafloor®-161 | Refer to the individual Product Data Sheet. |
Earthing connection | Sikafloor® Conductive Set | 1 earthing point per approx. 200 -300 m², min. 2 per room. |
Conductive primer | Sikafloor®-220 W Conductive | 1 × 0.08-0.10 kg/m² |
Conductive base coating | Sikafloor®-390 ECF N, unfilled | 1 × 1.6 kg/m² Binder, broadcast to excess with silicone carbide 0.5-1.0. mm* |
Final topcoat | Sikafloor®-390 N + 5 % Sika® Thinner C | 1 × 0.75-0.85 kg/m² |
*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.
Note: Consumption data is theoretical and does not allow for any additional material due to surface porosity, surface profile, variations in level, wastage or any other variations. Apply product to a test area to calculate the exact consumption for the specific substrate conditions and proposed application equipment.
APPLICATION
INSTALLATION OF EARTHING POINTS
Refer to Sika Method Statement: Sika Method Statement — Sikafloor® mixing and application
Number of earthing connections per room: Minimum of 2 earthing connections. The optimum number of earthing connections depends on the local conditions and must be specified on drawings or other contract documentation.