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Cationic Bitumen Emulsion K1-60 Description

Bitumen Emulsion K1-60 cationic bitumen emulsion is an emulsified asphalt containing minimum 57 % bitumen. It is a medium viscosity emulsion. Emulsion K1- 60 bitumen emulsion can also be used in grouting. K1-60 cationic bitumen emulsion is made according to KS 02-769: 1990 standard.

Bitumen Emulsion K1-60 are cold applied, liquid bitumen emulsions, used in the construction and repair of pavements, driveways, roads, and highways. In accordance with these standards, This product is denoted by the prefix ‘K’ signifying a cationic emulsion. The ‘1’ signifies a rapid breaking type of emulsion, while the number to the right of the hyphen indicates the bitumen content. Therefore K1-60 denotes rapid break, cationic emulsion with 57% normal bitumen content.

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Cationic Bitumen Emulsion K1-60 Applications

Bitumen Emulsion K1-60 is primarily used as a tack coat, to provide a bond between the existing surface
and overlays e.g hot rolled asphalt, macadam and slurry seals, or between courses in road construction.

It serves two purposes in this instance:-
1. Minimizing the risk of spillage between the two courses.
2. Ensuring that during laying of the new overlay, pushing and sliding are reduced, resulting in improved compaction.

Bitumen Emulsion K1-60, because of its higher bitumen content, is generally used for surface dressing, patching, retread, and other similar applications.

Treatments and seals:

  • Single surface treatment
  • Multiple surface treatment
  • Sand seal

Penetration macadam

  • Small voids

* K1-60 may be used as a tack coat in special cases where night construction or high humidity exists.

Cationic emulsions may be used at ambient temperatures with aggregates, which need not be completely dry. Emulsions are less hazardous to use and can be applied in a wider range of conditions.

Application Conditions of Cationic Emulsion Bitumen K1-60

Emulsion Bitumen K1-60 cationic bitumen emulsion can be used at the ambient temperature at the spray rate of 0.25 to 0.70 litre per square meter (0.05 to 0.15 gallon per square yard).

This grade must only be applied in dry, frost-free conditions which will remain throughout the film drying period. Temperatures of between 5°C and 35°C should prevail.

Before application drums should be well rolled to agitate contents before use. Cationic emulsions should be applied by brushing with hand broom or squeegee. Spread in one direction only and avoid scrubbing often. It is more practical to apply by spray as this provides a uniform distribution and even film. Spray equipment should conform to BS3136: Specification for Cold Emulsion Spraying Machines for Roads.
Spray evenly to avoid pounding in hollows as this may cause localized “fatting up” of the subsequent courses.

Preparation:

All surfaces must be dry and free from dust, oil, grease, fuel spillage, mud, leaves, etc. In hot weather, it may be advisable to dampen the surface with water in order to retard the loss of water from the emulsion as it cures and to ensure better wetting of the surface by the emulsion. It is essential that the surface is free of standing water prior to and during application.

K1-60 Packing

Bitumen Emulsion K1-60 is available in:

  • Bulk as IBC Tank, Flexi Tank
  • Reconditioned steel drums 200 lit.
  • New steel drums 200 lit.

Cationic Bitumen Emulsion K1-60 Specfications

No Property Result
1 Particle charge Pos.
2 Residue on 710 um KS sieve (%)(m/m), maximum 0.05
3 Residue on 150 um KS sieve (g per 100 mL), maximum 0.15
4 Binder content (%)(m/m), minimum 57
5 Viscosity (degrees Engler (°E) at 20°C 6-9
6 Viscosity redwood No. II (s at 85°C)
7 Storage stability (long period test) % water content difference, maximum 2
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