SHALIMAR’S KAVASSU PMB

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Polymer Modified Bitumen

Kavassu PMB is a polymer Modified Bitumen produced by blending any one of following polymers SBS, EVA, PE, PBD or EMA & other additives compatible with bitumen grade VG – 10, VG – 20 or VG – 30. Kavassu PMB is prepared in a centrally located state-of-theart plant equipped with special high shear mixing facility, with high sheer homogenizer the first of its kind in our country. Kavassu PMB has been specially designed after extensive research to meet the requirements of high traffic intensity, increasing axle & point loads, and varying climatic conditions throughout the country.

Increasing traffic volumes vehicle loads and tyre pressures are causing accelerated degradation of our road pavements improved materials. Such as polymer modified binders (PMB) are being used as a means of better combating these effects. Kavassu PMB are generally considered to provide prolonged life or enhanced prolonged life or enhanced pavement performance in sprayed seal and interlayer (Membrane) application ,polymers can greatly prolong pavement life by inhibiting reflective cracking in dense graded asphalt application.

  • Homogenous product free from separation & settlement.
  • Improves adhesion between aggregate and binder.
  • Higher resistance to deformation at elevated pavement temperature.
  • Higher fatigue life of mixes.
  • Delay of cracking and reflective cracking.
  • Lower susceptibility to seasonal temperature variations.
  • Improved ageing resistance.
  • Improved resistance to stripping/moisture damage.
  • High Marshall stability.
  • Overall improved performance in extreme climatic and under heavy traffic conditions.
  • Does not require change in construction practices/machinery.
  • Overall improved performance in extreme climatic conditions
Description

Kavassu PMB is a polymer Modified Bitumen produced by blending any one of following polymers SBS, EVA, PE, PBD or EMA & other additives compatible with bitumen grade VG – 10, VG – 20 or VG – 30. Kavassu PMB is prepared in a centrally located state-of-theart plant equipped with special high shear mixing facility, with high sheer homogenizer the first of its kind in our country. Kavassu PMB has been specially designed after extensive research to meet the requirements of high traffic intensity, increasing axle & point loads, and varying climatic conditions throughout the country.

Increasing traffic volumes vehicle loads and tyre pressures are causing accelerated degradation of our road pavements improved materials. Such as polymer modified binders (PMB) are being used as a means of better combating these effects. Kavassu PMB are generally considered to provide prolonged life or enhanced prolonged life or enhanced pavement performance in sprayed seal and interlayer (Membrane) application ,polymers can greatly prolong pavement life by inhibiting reflective cracking in dense graded asphalt application.

Properties
  • Homogenous product free from separation & settlement.
  • Improves adhesion between aggregate and binder.
  • Higher resistance to deformation at elevated pavement temperature.
  • Higher fatigue life of mixes.
  • Delay of cracking and reflective cracking.
  • Lower susceptibility to seasonal temperature variations.
  • Improved ageing resistance.
  • Improved resistance to stripping/moisture damage.
  • High Marshall stability.
  • Overall improved performance in extreme climatic and under heavy traffic conditions.
  • Does not require change in construction practices/machinery.
  • Overall improved performance in extreme climatic conditions

KAVASSU PMB

Kavassu PMB is the ideal binder to overcome the concurrent problems of raveling, rutting, undulations, cracking, bleeding, shoving and pot-holding in existing bituminous pavement. Bituminous mix, prepared with Kavassu PMB has a higher stiffness modulus, enhanced fatigue life, better resistance to creep & higher indirect tensile strength and quite suitable as renewal course & overlay materials on surface which are badly cracked and subjected to heavy traffic. Polymer Modified Bitumen is recommended for roads with heavy traffic and located in extreme climatic conditions. Kavassu PMB performs better than neat bitumen in heavy rainfall areas and in situation where the aggregates are prone to stripping. Due to its better creep resistance properties, Kavassu PMB can alsobeused at busy intersections, bridge decks, and round about for increased life of surfacing.

Natinal Award Winner

Kavassu PMB is produced in a state of the art central plant with a high sheer blender & homogenizer as per the guidelines laid down by IRC SP: 53 & Indian standard IS: 15462 specifications for Polymer & Rubber Modified Bitumen. Kavassu PMB has been tested by premier institutes of the our country like Delhi Test House, New Delhi, Star Wire Laboratories Faridabad, Ministry of Small & Medium & MicroEnterprises Hyderabad etc. as per IRC: SP: 53 and IS: 15462& has been found to fully meet the guidelines and standard specifications.Kavassu PMB has given excellent field performance and is found to be cost effective in long term applications. Kavassu PMB is available in bulk as well in drums.

  • Increasing the life of periodical maintenance.
  • Optimization of cost vs. life.
  • Heavy trafficked lines.
  • Airport runways and parking apron.
  • Industrial and multimodal platforms.
  • Reducing traffic noise.
  • Waterproofing concrete structure.
  • For High rainfall Areas.
  • In Stress Absorbing Membrane Interlayer (SAMI)

Kavassu PMB 40: Recommended for Hot climate areas
Kavassu PMB 70: Recommended for moderate climate areas
Kavassu PMB 120: Recommended for cold climate areas

As per ISO-9001

Mixing / Coating : 170-185°C
Laying : 150-170°C
Beginning of Compaction Over : 140°C
End of Compaction : 110-120°C

Tested By

Kavassu PMB is produced in a state of the art central plant with a high sheer blender & homogenizer as per the guidelines laid down by IRC SP: 53 & Indian standard IS: 15462 specifications for Polymer & Rubber Modified Bitumen. Kavassu PMB has been tested by premier institutes of the our country like Delhi Test House, New Delhi, Star Wire Laboratories Faridabad, Ministry of Small & Medium & MicroEnterprises Hyderabad etc. as per IRC: SP: 53 and IS: 15462& has been found to fully meet the guidelines and standard specifications.Kavassu PMB has given excellent field performance and is found to be cost effective in long term applications. Kavassu PMB is available in bulk as well in drums.

Recommended For
  • Increasing the life of periodical maintenance.
  • Optimization of cost vs. life.
  • Heavy trafficked lines.
  • Airport runways and parking apron.
  • Industrial and multimodal platforms.
  • Reducing traffic noise.
  • Waterproofing concrete structure.
  • For High rainfall Areas.
  • In Stress Absorbing Membrane Interlayer (SAMI)
Grades

Kavassu PMB 40: Recommended for Hot climate areas
Kavassu PMB 70: Recommended for moderate climate areas
Kavassu PMB 120: Recommended for cold climate areas

Quality Assurance

As per ISO-9001

Stagewise Temperature

Mixing / Coating : 170-185°C
Laying : 150-170°C
Beginning of Compaction Over : 140°C
End of Compaction : 110-120°C

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