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Adhesion Promoter for Hot and Warm Mix Asphalt — amphoteric type
Amhoteric surfactant applied in road construction for enhancement of adhesion of oil asphalt to aggregates made both of acid and basic rocks. There are two types of DAD-1 (A and C) with different commodity form for convenient application in different customer’s technological conditions and with similar chemical effect on bitumen.
DAD-1 Grade «А» – is a homogeneous brown viscous-flow liquid recommended for manual or semi-automatic adding into a bitumen binder in an asphalt plant.
DAD-1 Grade «С» – is a homogeneous brown liquid recommended for automated injection into a bitumen binder in an asphalt plant by means of high-precision dosing equipment.
Package and Storage
The preparation is supplied in metal barrels with volume of 216l or 52l and polymer containers with capacity of 1m3.
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.
DAD-1 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:
- Heating of basic bitumen up to operating temperature
- Adding of DAD-1 in specified amount
- Stirring until homogeneous mix is obtained