LBC Industrial Floor LBC Industrial Floor · materials for industrial floors

Epoxy topcoat PRASPAN® EP-C251

Praspan® EP-C251 epoxy topcoat is a two-component self-leveling, highly flowable, glossy colored epoxy system without volatile solvents for self-leveling polymer floor coatings.

Engineering support from estimation to commissioning

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Epoxy topcoat PRASPAN® EP-C251

Loads

Medium-to-heavy and heavy loads, intensive wheeled traffic

Facilities

Warehouses, production, parking facilities, clean areas

Coating

Seamless, dust-free, easy to clean, chemical-resistant

Description

What makes the system different and what tasks it is typically chosen for.

Praspan® EP-C251 is a two-component self-leveling, highly flowable, glossy colored epoxy system without volatile solvents for self-leveling polymer floor coatings.

The material is a colored opaque viscous liquid without foreign inclusions. Sedimentation of the filler is possible.

Praspan® EP-C251 topcoat is used as a finishing material in epoxy floor coating systems under medium and heavy abrasive loads. It is well suited for all types of retail, warehouse, automotive repair and industrial facilities. For the best coating quality, the use of the Praspan® EP-C150 base coat is recommended.

Key properties:

  • excellent resistance to abrasive loads (for example, intensive traffic);
  • good chemical resistance to non-concentrated alkalis and acids;
  • does not contain volatile solvents and is odorless during and after application, which is especially important when working in residential areas;
  • high flowability simplifies application of the material;
  • smooth surface and excellent glossy finish.

The Praspan® EP-C251 kit includes:

  • topcoat component – 20.9 kg;
  • hardener – 4.1 kg;
  • Kit mass – 25 kg.

Crystallization of epoxy-resin-based materials

All produced materials (topcoats, primers, paints) that contain epoxy resins can harden (crystallize) during transportation or storage at subzero temperatures or under temperature fluctuations.

Crystallization is partial or complete solidification of the material. This is a normal phenomenon that does not degrade the epoxy resin and does not affect the material properties.

To decrystallize the material, it must be kept at a temperature of 40°C to 60°C for at least 2–3 hours. Since the decrystallization process at the job site is often difficult or impossible, it is strongly recommended to store and transport all epoxy products at positive temperatures in the range from +5°C to +30°C.

Technical specifications

Material parameters and substrate requirements (TDS/passport).

Compressive strength (MPa) min. 68,2
Tensile strength (MPa) min. 16,3
Coating appearance glossy
Mixture density at 20°C 1100 kg/m³
Mixture viscosity at 20°C 2200 mPa·s
Working time at 20°C (full kit) 25–30 minutes
Gel time at 20°C on the surface 60 minutes
Gel time at 20°C in volume (in a bucket) 15 minutes
Intercoat interval at 20°C, minimum after 24 hours
Intercoat interval at 20°C, maximum after 3 days
Material consumption per 1 m² 2,2 kg at 2 mm layer thickness
Curing time at 20°C, pedestrian traffic after 24 hours
Curing time at 20°C, light traffic load after 48 hours
Curing time at 20°C, full traffic load after 72 hours
Chemical resistance to water resistant
Chemical resistance to fuels and lubricants resistant
Chemical resistance to dilute acids resistant
Chemical resistance to dilute alkalis resistant
Shore hardness (type D) after 7 days 82 units
Taber abrasion*, not more than 30 mg per 1000 cycles (*tests carried out with CS10 abrasive wheels, 1000 g load)
Spark generation does not produce sparks

Consumption

Estimated calculation based on area and thickness.

Final figures are confirmed by an engineer based on the actual condition of the substrate.