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General Description of Cationic Bitumen K2
Bitumen K2, a cationic bitumen emulsion (medium setting), contains 57% bitumen. It is black in color and manufactured strictly as per KS 02-769: 1990 standard.
Bitumen K2 is cold-applied and liquid-based, used in the construction and repair of pavements, driveways, roads, and highways.
Uses of Cationic Bitumen Emulsion K2
Applications include:
- Bituminous-aggregate mixtures for pavement bases and surfaces:
- Plant mix (cold): with open-graded aggregate
- Mixed-in-place: Open-graded aggregate
- Crack Filler
- Maintenance mix for immediate use
Cationic emulsions can be applied at ambient temperatures with aggregates that need not be completely dry, making them safer and more versatile.
Application Conditions of Cationic Emulsion Bitumen K2
Apply Bitumen Emulsion K2 in dry, frost-free conditions, maintaining temperatures between 5°C and 35°C throughout the drying period.
Before application, roll drums well to mix contents. Apply with a broom, squeegee, or spray for uniform distribution. Use equipment that meets BS3136 standards. Ensure even spraying to prevent ponding, which may cause localized “fatting up.”
Preparation
Surfaces must be dry and free from dust, oil, grease, and debris. In hot weather, dampen the surface to slow water loss from the emulsion. Ensure no standing water before and during application.
Packing of Cationic Emulsion Bitumen K2
- Bulk in IBC Tank or Flexi Tank
- Reconditioned steel drums (200 liters)
- New steel drums (200 liters)
Technical Data Sheet of Cationic Bitumen Emulsion K2
| No | Property | Result |
|---|---|---|
| 1 | Particle charge | Positive |
| 2 | Residue on 710 µm KS sieve (%) (m/m), max | 0.05 |
| 3 | Residue on 150 µm KS sieve (g per 100 mL), max | 0.15 |
| 4 | Binder content (%)(m/m), min | 57 |
| 5 | Viscosity (Engler °E at 20°C) | 10 max |
| 6 | Viscosity Redwood No. II (s at 85°C) | – |
| 7 | Storage stability (long period) % water content difference, max | 2 |
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