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Key technical facts
- Coverage
- Consumption varies according to the desired film thickness (a film thickness of approximately 350 – 370 µm is obtained at 400 g/m²).
- Mixing Ratio (by Weight)
- A/B (65/35)
- Pot Life (min, 23°C, 100 ml)
- 150-180
- Drying Time (23°C) – Touch Dry (Hours)
- 24 – 36
- Drying Time (23°C) – Full Cure (Weeks)
- 1
- Mixed Density (g/cm³, 20°C)
- 1,10 ± 0,10
Last updated:
This page has been translated from the product's original information. Please refer to the technical data sheet for binding technical values.
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Description
A solvent-free, epoxy-based resin with high resistance to chemicals and acids. It bonds to the surface it is applied to, increasing its impact strength and chemical resistance. It also ensures the adhesion of subsequent coats and/or fillers to the surface.
Advantages
- Contains no solvents.
- Prevents dusting of concrete surfaces.
- Increases the strength of concrete.
- Highly resistant to chemicals, highly concentrated organic and inorganic acids, alkalis and solvents.
Technical Properties
| Number of Components | 2 |
| Mixing Ratio (by Weight) | A/B (65/35) |
| Mixed Density (g/cm³, 20°C) (TS EN ISO 2811-1) | 1,10 ± 0,10 |
| Pot Life (min, 23°C, 100 ml) (DIN 16945) | 150-180 |
| Mixed Viscosity (mPas, 25°C) (EN ISO 3219) | 1300 – 1900 |
| Drying Time (23°C) (TS 4317) | |
|---|---|
| Touch Dry (Hours) | 24 – 36 |
| Full Cure (Weeks) | 1 |
| Thinner | Must not be diluted with thinner. |
Surface Preparation and Application
- Surfaces to be coated must be free of oil, rust, dust and similar contaminants. The surface must be free of moisture, and no loose layer whatsoever may remain.
- Glossy surfaces should be roughened by shot blasting, grinding or scarifying.
- The prepared concrete surface must be primed with the Solvent-Free Epoxy Impregnating Primer DEMCO EPOX 100 PR, following the application instructions, so that it is fully impregnated.
- Any cracks and holes in the surface must be repaired using epoxy putty.
- Mixing: The entire B component should be poured into the A component, and the two components should be mixed for at least 3 minutes until a homogeneous mixture is formed. Mixing at low speed is recommended to prevent air bubbles from forming in the mixture.
- During work, mix suitable quantities and continue working until the entire mix has been used up.
- Chemical-Resistant Epoxy Primer DEMCO EPOX 125 PR/C is applied onto the prepared and primed surface by brush or roller.
- If required, the desired film thickness is achieved by broadcasting quartz.
Application Conditions
- Working area temperature must be 15°C – 30°C.
- The ideal substrate temperature is 15°C – 30°C. The temperature must never be below 10°C.
- For both outdoor and indoor applications, substrate and ambient temperature as well as ambient humidity must be taken into account.
- The relative moisture of the substrate must be below 4% and the ambient humidity below 80%.
- For 24 hours after application, the surface must not be touched or come into contact with water.
- When applied at 20 – 25°C, DEMCO EPOX 125 PR/C reaches full cure at room temperature in an average of 7 days.
Coverage
Consumption varies according to the desired film thickness (a film thickness of approximately 350 – 370 µm is obtained at 400 g/m²).
Storage and Shelf Life
At 15 – 25°C in closed, dry storage areas away from direct sunlight, in unopened original packaging; 1 year.
Packaging
Total Net: 18 kg (A: 11,70 kg / B: 6,30 kg)
Approvals / Standards
Tested to EN 1504-2 within the scope of CE certification.
