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3 mm, self-levelling, low-emission, epoxy flooring system with broadcast antislip surface and single-color gloss finish
Industrial flooring system for indoor applications and horizontal surfaces, suitable for medium to heavy-duty in moderate to high traffic areas, with high chemical resistance and functional aesthetics
General industry, manufacturing and production halls, workshops, hangars, chemical industry, agricultural facilities, logistics centers, warehouses, and car parks
| Layer | Description | Material | Consumption | |
|---|---|---|---|---|
 | Substrate | Concrete / cementitious screed | ||
| 1 |  | Primer | KÖSTER CT 121 filled at a ratio 1 : 0.2 by weight with Quartz Sand 0.06–0.36 mm (CT 483) or similar. | 0.40 kg/m² (0.32 resin + 0.08 filler) |
| 2 |  | Basecoat | KÖSTER CT 221 | 1.60 kg/m² |
| 3 |  | Broadcast to excess | Quartz Sand 0.4–0.8 mm (CT 488) or similar | 4.00 kg/m² (broadcast to excess, approx. 5 kg/m² applied) |
| 4 |  | Topcoat | KÖSTER CT 221 | 0.80 kg/m² |
Comments
| Material | Substrate conditions | Application conditions | Mixing regime | Application tools | Pot life / Recoating interval / Ready for traffic | |
|---|---|---|---|---|---|---|
| Concrete / cementitious screed | ||||||
| 1 | KÖSTER CT 121 filled at a ratio 1 : 0.2 by weight with Quartz Sand 0.06–0.36 mm (CT 483) or similar. | ICRI CSP 3–5 (depending on the expected traffic) by shot blasting or previously primed, scratchcoated, sandbroadcasted or coated surface. Clean, sound and visible dry Tensile strength > 1.5 N/mm² Substrate relative humidity: < 4 % CM Device | Material temperature 15–25 °C Substrate and ambient temperature 8–30 °C Substrate and material temperatures must be ≥ 3 °C above dew point during application and for 12 h. | Electric single or double paddle mixer (300–400 rpm) Mix for 2 min Transfer to a clean container Add filler Mix for an additional 1 min and scrape the sides | Rubber Squeegee 40 cm (CT 922 002) Resin Roller 25 cm (CT 961 002) Resin Roller 10 cm (CT 913 001) | Pot life: 60 min. Recoating interval: 10 °C: 24 - 72 h 20 °C: 18 - 48 h 30 °C: 12 - 48 h |
| 2 | KÖSTER CT 221 | Previously primed, scratchcoated, sandbroadcast or coated surface. Clean, sound and visible dry Tensile strength > 1.5 N/mm² Substrate relative humidity: < 4 % CM Device | Material temperature 15–25 °C Substrate and ambient temperature 8–30 °C Substrate and material temperatures must be ≥ 3 °C above dew point during application and for 12 h. | Electric single or double paddle mixer (300–400 rpm) Mix for 2 min Transfer to a clean container Mix for an additional 1 min and scrape the sides | Notched Trowel S6 (CT 932 001) (optionally) Loop Roller 25 cm (CT 911 001) | Pot life: 60 min. Recoating interval: 10 °C: 24 - 72 h 20 °C: 18 - 48 h 30 °C: 12 - 48 h |
| 3 | Quartz Sand 0.4–0.8 mm (CT 488) or similar | |||||
| 4 | KÖSTER CT 221 | Previously primed, scratchcoated, sandbroadcast or coated surface. Clean, sound and visible dry Tensile strength > 1.5 N/mm² Substrate relative humidity: < 4 % CM Device | Material temperature 15–25 °C Substrate and ambient temperature 8–30 °C Substrate and material temperatures must be ≥ 3 °C above dew point during application and for 12 h. | Electric single or double paddle mixer (300–400 rpm) Mix for 2 min Transfer to a clean container Mix for an additional 1 min and scrape the sides | Rubber Squeegee 40 cm (CT 922 002) Resin Roller 25 cm (CT 961 002) Resin Roller 10 cm (CT 913 001) | Pot life: 60 min. Recoating interval: 10 °C: 24 - 72 h 20 °C: 18 - 48 h 30 °C: 12 - 48 h Ready for light traffic (hours) / fully cured (days): 10 °C: 72 h / 7 d 20 °C: 48 h / 5 d 30 °C: 24 h / 3 d |
| Material | Layer | Description | R-Class DIN 51130 | PTV Value EN 13036-4 |
|---|---|---|---|---|
| CT 221 (OS-8) R 11 | Topcoat | Full blind broadcast with 4 kg/m² Quartz Sand 0.4–0.8 mm (CT 488) or similar and sealed with 0.8 kg/m² KÖSTER CT 221 | R 11 V4 | 53 |
