Sikafloor®-305 W
2-part PUR matt coloured seal coat part of the Sika Comfortfloor® flooring range
Sikafloor®-305 W is a two part water based, low VOC, polyurethane, coloured matt seal coat.
- Water based
- Very low odour
- Good UV resistance, non-yellowing
- Easy to clean
Usage
- Matt coloured seal coat for Sika ComfortFloor®-Systems
- Matt coloured seal coat for smooth Sikafloor® polyurethanes
- Matt coloured seal coat for smooth Sikafloor® Economy line Epoxies
Advantages
- Water based
- Very low odour
- Good UV resistance, non-yellowing
- Easy to clean
Packaging
| Part A | 8.5 kg containers |
| Part B | 1.5 kg containers |
| Part A+B | 10 kg ready to mix units |
Colour
Sikafloor®-305 W is matt after final curing. Available in Steely Glimpse, Amberish Grey, Brilliant Blue, Sea Mist, Sky Line, Spring Grass, Concrete Grey, Latte Macchiato, Light Ivory, Black, Frosty Tree, Sweet Citrus, Sunfire, Brown Beige, Bordeaux Wine
Product Details
ENVIRONMENTAL INFORMATION
VOC Emission certificate according to AgBB und DIBt approval requirements (AgBB – Committee for Healthrelated Evaluation of Building Products, DiBt – German Institute for Building Technology), Eurofins report No. 769855D
APPROVALS / STANDARDS
- Coating for concrete protection according to the requirements of EN 1504-2:2004 and the EN 13813:2002, DoP 0208010400500000031041 and provided with the CE-mark.
- Coating for surface protection of concrete according to EN 1504-2:2004, Declaration of Performance 0208010400500000031041, certified by notified factory production control certification body 0620, and provided with the CE marking.
- Fire classification acc. to EN 13501-1, Test reports 08-198, 08-199 and CR-13- 167/1 , Ghent University
Chemical Base
PUR
Shelf Life
| Part A | 6 months from date of production |
| Part B | 12 months from date of production |
Storage Conditions
The packaging must be stored properly in original, unopened and undamaged sealed packaging, in dry conditions at temperatures between +5 °C and + 30°C.
Density
| Part A | ~ 1.33 kg/l |
| Part B | ~ 1.13 kg/l |
| Mixed resin | ~ 1.18 kg/l |
All Density values at +23°C
Chemical Resistance
Resistant to many chemicals. Please ask for a detailed chemical resistance table.
Gloss level
| Angle | Value |
| 85° | <50 |
| 60° | <10 |
Application
Mixing Ratio
Part A : part B = 85 : 15 (by weight)
Ambient Air Temperature
+10 °C min. / +30 °C max.
Relative Air Humidity
75 % max.
During curing the humidity should not exceed 75 % max. Adequate fresh air ventilation must be provided to remove the excess moisture from the curing product.
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.
Pot Life
| Temperatures | Time |
| +10 °C | ~ 80 minutes |
| +20 °C | ~ 60 minutes |
| +30 °C | ~ 80 minutes |
Caution: End of potlife is not noticeable.
Curing Time
Before applying Sikafloor®-305 W on Sikafloor®-330 / 327 / 263SL allow:
| Substrate temperature | Minimum | Maximum |
| +10 °C | 24 hours | 78 hours |
| +20 °C | 18 hours | 48 hours |
| +30 °C | 12 hours | 36 hours |
Before applying Sikafloor®-305W on Sikafloor®-305W allow:
| Substrate temperature | Minimum | Maximum |
| +10 °C | 24 hours | 4 days |
| +20 °C | 16 hours | 3 days |
| +30 °C | 12 hours | 2 days |
Based on RH max. 70 % and good ventilation. When outside the application window, light sanding with green 3M pad to prepare. 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 | ~ 30 hours | ~ 48 hours | ~ 6 days |
| +20 °C | ~ 16 hours | ~ 24 hours | ~ 4 days |
| +30 °C | ~ 12 hours | ~ 18 hours | ~ 3 days |
Note: Times are approximate and will be affected by changing ambient conditions
Consumption
Please refer to the System Data Sheet