KAVASSU PMB

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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-the-art 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.

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.

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-the-art 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.

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.

Advantages

• 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.

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.

• 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

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

Kavassu PMB 40

Kavassu PMB 70

Kavassu PMB 120

Method of Test

Penetration at 25°C
0.1mm, 100g 5 Sec.

30 to 50

50 to 90

90 to 150

IS:1203-1978
Softening Point
(R&B), °C, min

60

55

50

IS:1205-1978
Frass Breaking point, °C, max

-12

-18

-24

IS: 9381-1978
Ductility at 27 °C, cm, min

75

75

75

IS: 1208-1978
Flash Point COC, °C, min

220

220

220

IS: 1209-1978
Elastic Recovery of Half Thread in
Ductilometer at 15 °C, % min

75

75

75

IS :15462-2004
Separation, difference in Softening Point, R&B, °C, maxes.

3

3

3

IS :15462-2004
 Thin Film Oven test on Residue (IS:9382-1992)
Penetration at 25°C, 0.1mm, 100g 5 Sec.,Min,% of original

60

60

60

IS:1203-1978
Increase in Softening
Point, °C, max.

5

6

7

IS:1205-1978
Elastic Recovery of Half Thread in Ductilometer at 25 °C, % min.

50

50

50

IS: 15462-2004 I

As per ISO-9001

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

Stagewise Temperature Requirement
Mixing / Coating 170-185°C
Laying 150-170°C
Beginning of Compaction Over 140°C
End of Compaction 110-120°C
Properties

Kavassu PMB 40

Kavassu PMB 70

Kavassu PMB 120

Method of Test

Penetration at 25°C
0.1mm, 100g 5 Sec.

30 to 50

50 to 90

90 to 150

IS:1203-1978
Softening Point
(R&B), °C, min

60

55

50

IS:1205-1978
Frass Breaking point, °C, max

-12

-18

-24

IS: 9381-1978
Ductility at 27 °C, cm, min

75

75

75

IS: 1208-1978
Flash Point COC, °C, min

220

220

220

IS: 1209-1978
Elastic Recovery of Half Thread in
Ductilometer at 15 °C, % min

75

75

75

IS :15462-2004
Separation, difference in Softening Point, R&B, °C, maxes.

3

3

3

IS :15462-2004
 Thin Film Oven test on Residue (IS:9382-1992)
Penetration at 25°C, 0.1mm, 100g 5 Sec.,Min,% of original

60

60

60

IS:1203-1978
Increase in Softening
Point, °C, max.

5

6

7

IS:1205-1978
Elastic Recovery of Half Thread in Ductilometer at 25 °C, % min.

50

50

50

IS: 15462-2004 I
Quality Assurance

As per ISO-9001

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