Sika® Permacor®-3326 EG H

Evidence for chemical resistance against biogenous sulfuric acid (cat. XWW4/XBSK) acc. DIN 19573 and DIN EN 13529.

Coating based on epoxy resin for concrete protection according to EN 1504-2, DoP, with CE-mark.

2 years

In originally sealed containers in a cool and dry environment.

~1.9 kg/l

~75 % by volume
~88 % by weight

Upon request

Dry heat up to approx. + 100°C

Sika® Thinner E+B
If necessary max. 5 % Sika® Thinner E+B may be added to adapt the viscosity.

Min. + 10°C

Max. 85 %

Max. 80 % in containers, except the surface temperature is significantly higher than the dew point temperature, it shall be at least 3 K above dew point.

Min. + 10°C

Max. 4 % (CM-measuring)

Waiting time at + 20°C

Min. 12 h

Coating used as lining:

Max. 48 h at + 20°C

In case of longer waiting times the surface must be activated by sweep blasting.

Overcoating

With itself.

For exposure to corrosive atmospheric conditions, also:

With Sika® Permacor®-2230 VHS or Sika® Permacor®-2330.

For other products please refer to Sika.

Drying time at + 20°C

Final drying time

Full mechanical and chemical resistance after 7 days at + 20°C.

With a suitable high-voltage tester, e.g. Fischer-POROSCOPE® with flat electrode (rubber tongue). Test voltage 5 Volt per 1 μm coating thickness. Multiple porosity tests have negative effects on dielectric strength. This is to take into consideration when planning repetition tests.

Theoretical material-consumption/coverage without loss for medium dry film thickness of:

Concrete:
The surface areas to be coated must meet recognised building standards, i.e. be solid, load-bearing and free from contaminants detrimental to adhesion. Pull-off adhesion strength in accordance with DIN 1048 should be > 1.5 N/mm² on average with the lowest reading no less than 1.0 N/mm². For areas subject to heavy mechanical loading, the average value should be > 2.0 N/mm² and the lowest reading no less than 1.5 N/mm². Apply suitable compatible undercoats and observe recommended overcoating intervals.

Steel:

Remove all weld spatter, then grind welds and joints in accordance with EN 14879-1.

Blast-cleaning to Sa 2 ½ according to ISO 12944-4.

Free from dirt, oil and grease.

Average roughness depth R_Z ≥ 50 μm.

Stir component A and B very thoroughly using an electric mixer (start slowly, then increase up to approx. 300 rpm). Add stirred component B carefully and mix both components very thoroughly (including sides and bottom of the container). Mix for at least 3 minutes until a homogeneous mixture is achieved. Fill mixed material into clean container and mix again shortly as described above. During mixing and handling of the materials always wear protective goggles, suitable gloves and other protective clothings.

The method of application has a major effect on achieving uniform thickness and appearance. Spray application will give the best results. The indicated dry film thickness is easily achieved by airless spray. Adding solvents reduces the sag resistance and the dry film thickness. In case of application by roller or brush, additional applications may become necessary to achieve the required coating thickness, depending on type of construction, site conditions, colour shade etc. Prior to major coating operations a test application on site may be useful to ensure the selected application method will provide the requested results.

By brush or roller:

• Dry film thickness of approx. 150 μm per layer is achievable
• Possibly an additional layer may become necessary to achieve the total dry film thickness

Airless-spraying:

• Efficient airless equipment
• Pressure min. 180 bar
• Remove sieves
• Nozzle size ≥ 0.38 mm (≥ 0.015 inch)
• Spraying angle approx. 50°
• Diameter of hoses min. 10 mm (⅜ inch), hose at spray gun approx. 2 m, min. 6 mm (¼ inch)
• Temperature of material min. + 15°C

SikaCor® Cleaner