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Adhesion Promoter for Hot and Warm Mix Asphalt — cationic type, flakes form DAD-KS

Description

Cationic adhesion promoter flakes type applied in road construction for improvement of adhesion of the aggregate to oil bitumen in asphalt mixes containing mainly acid rocks of rubble.

Solid non-transparent substance of yellow to brown color. Supplied in the form of flakes.

Concentration of injection:0,15 – 0,4% of bitumen weight.
Average efficient dosage of the preparation:0,3% of bitumen weight.
The amount of preparation is selected based on preliminary laboratory testing for a specific composition of an asphalt mix.

Main Advantages

Adaptability and Ease of Application
The agent is specially adapted for adding in dry form. Perfectly dissolves in hot bitumen right at the stage of injection. Becomes active right after homogeneous distribution in bitumen.
Perfect Adhesion with Acid Rocks
Based on their chemical nature, amine cation-active adhesion agents provide stronger chemical bonds between bitumen and acid filler rocks as compared to other types of agents.
Active Adhesion
Allows to reach good adhesion even at high moisture content of used aggregate.

Thermal Stability
Keeps its properties and does not lose activity at continuous heating in bitumen (163°C) within 72 hours.

Package and Storage

The preparation is supplied in PE bags and packages.

The preparation is stored in transport package or in hermetically sealed package. The preparation is stored in closed storage areas at distance of at least two metres from heating elements, at temperature from minus 35°C to 50°C, in open areas under sheds or in special heated tanks.

Guaranteed storage life is 1 year after manufacturing.

Application Technology

DAD-KS may be added both into an operating reservoir at the stage of binder preparation and directly in the bitumen supply line of asphalt plant mixer.
The technology of production of bitumen modified by the agent includes:

  1. Heating of basic bitumen up to operating temperature
  2. Adding of DAD-KS in specified amount
  3. Stirring until homogeneous mix is obtained

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