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            Outcome of Test

            Specification

              ¢º Specification
              ¢º Construction
              ¢º Road quality
              ¢º Tussphalt
              ¢º DAMA

            Eng-Korea Final

 

 


DAMA specification
Application
  The specification defines DAMA (DAMA:Darin Asphalt Modified Additive), an additive to improve ASPHALT mixture.


Ingredient

 
  • Thermo plastic resin
  • Rubber from waste tire
  • Miscellaneous additives

  • Appearance : This product is sold in a vinyl bag and of grey powder.


    Purpose

      The product is designed to produce an asphalt mixture that require increased bonding strength and enhanced the quality. (General coarse particle, medium particle, fine particle and special purpose asphalt mixture)


    Quantity to be used and packing

    Quantity to be used 0.5¡­1.5% of asphalt mixture in weight
    Packing 5§¸/10§¸ units, 500§¸ Bag
    Instruction During preparing for asphalt mixture, pour into the mixer after asphalt is sprayed. (Plant Mix Type)
    Instruction While preparing for asphalt mixture, pour it into the mixer after asphalt is sprayed. (Plant Mix Type) Caution: When producing an asphalt mixture, using this product, the mixing time should be increased by 20 seconds from that of conventional ones. While producing, spraying and Compaction this asphalt mixture powder, the temperature should be controlled to be maintained about 10¡É-20¡É higher than the case of using conventional asphalt mixtures. Pouring DAMA into the mixer should be done after asphalt is injected. This product does not include any toxic agent. A caution should be taken against scattering because it is of fine powder. When skin or eyes areis contaminated with the powder, immediate clean it out with clean water. In case when a large amount is inhaled, consultation with a doctor is necessary. Wearing a mask is recommended when handling this product. As this product contains thermoplastic resin, a care needs to be taken not to be exposed to fire and at a temperature of over 100¡É. This product should be stored in a dry place without direct sunlight where ventilation is good.


    Mixing procedure of DAMA

      procedure heating temperature mixing time
    ¥° aggregate+sand+pillar separate heating 190¡É -
    ¥± asphalt separate heating 170¡É -
    ¥² mixture existing method 180¡É 45sec
    ¥³ DAMA mixture no need to heat up   15sec
    ¥´ shipmemt   180¡É  

     


     

     


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