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POLYMER-MODIFIED BITUMEN

POLYMER-MODIFIED
BITUMEN

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POLYMER-MODIFIED BITUMEN

Polymers added to bitumen make it more workable and durable.

Specifications

1/ PMB 10/40/65

This polymer modified bitumen is one of the hardest PMBs available. Its exceptionally high softening point makes it particularly suitable for high-stiffness-modulus mixtures, such as those used in AC EME base and binder courses. Additionally, it can be utilized in conventional asphalt concrete mixtures. Test results evaluating the resistance to rutting of asphalt mixtures containing this bitumen demonstrate its suitability for pavements subjected to slow and heavy traffic, including parking lots, slow traffic lanes, and crossroads. However, this type of bitumen is not recommended for use in wearing courses.

PROPERTY UNIT METHOD REQUIREMENT
Penetration at 25°C 0,1 mm EN 1426 10-40
Softening Point °C EN 1427 ≥65
Force ductility tested using ductilometer (50 mm/min) J/cm2 EN13589
EN13703		 ≥2 at 10°C
Tensile Test at 5°C (100 mm/min) | J/cm2 EN 13587 NR
Vialit pendulum (impact test) J/cm2 EN 13588 NR
Change of mass after hardening* % m/m EN 12607-1 ≤0.5
Retained penetration at 25°C after hardening % EN 12607-1
EN 1426		 ≥60
Softening point increase after hardening °C EN 12607-1
EN 14267		 ≤8
Flash point °C EN ISO 2592 ≥235
Fraass breaking point °C EN 12593 ≤-5
Elastic recovery at 25°C % EN 13398 ≥60
Elastic recovery at 10°C % EN 13398 NR
Plasticity range °C EN 14023 NR
Drop in softening point after EN 12607-1| °C EN 12607-1
EN 1427		 TBR
Elastic recovery at 25°C after EN 12607-1 % EN 12607-1
EN 13398		 ≥50
Elastic recovery at 10°C after EN 12607-1 % EN 12607-1
EN 13398		 NR
Storage stability – difference in softening point °C EN 13399
EN 1427		 ≤5
Storage stability – difference in penetration 0.1 mm EN 13399
EN 14276		 NR

 

2/ PMB 25/55-55

Reference standard: EN 14023:2010

PROPERTY UNIT METHOD REQUIREMENT
Penetration at 25°C 0,1 mm EN 1426 45-80
Softening Point °C EN 1427 ≥75
Force ductility tested using ductilometer (50 mm/min) J/cm2 EN13589
EN13703		 ≥32 w 5°C
Change of mass after hardening % m/m EN 12607-1 ≤0.5
Retained penetration at 25°C after hardening % EN 12607-1
EN 1426		 ≥60
Softening point increase after hardening °C EN 12607-1
EN 14267		 ≤8
Flash point °C EN ISO 2592 ≥250
Fraass breaking point °C EN 12593 ≤-18
Elastic recovery at 25°C % EN 13398 ≥70
Storage stability – difference in softening point °C EN 13399
EN 1427		 ≤5
Storage stability – difference in penetration 0.1 mm EN 13399
EN 14276		 NR
Drop in softening point after EN 12607-1 °C EN 1427 TBR
Elastic recovery at 25°C after EN 12607-1 % EN 12607-1
EN 13398		 NR

3/ PMB 25/55-60

This polymer modified bitumen is one of the most widely used and popular types of modified bitumen. It is commonly applied in asphalt concrete base and binder courses, as well as in high-stiffness modulus asphalt concrete mixtures, such as AC EME1, which requires a stiffness modulus of 14,000 MPa. Additionally, it is suitable for use in stone mastic asphalt (SMA) for wearing, binder, and base courses, particularly in sections subjected to slow and heavy traffic, such as intersections, bus lanes, and industrial areas. It is also effective in mastic asphalt (MA) applications, where its enhanced durability and resistance to deformation are highly advantageous. Its versatility and performance make it a reliable choice for a wide range of demanding pavement conditions.

PROPERTY UNIT METHOD REQUIREMENT
Penetration at 25°C 0,1 mm EN 1426 25-55
Softening Point °C EN 1427 ≥60
Force ductility tested using ductilometer (50 mm/min) J/cm2 EN13589
EN13703		 ≥2 at 10°C
Tensile Test at 5°C (100 mm/min) | J/cm2 EN 13587 NR
Vialit pendulum (impact test) J/cm2 EN 13588 NR
Change of mass after hardening* % m/m EN 12607-1 ≤0.5
Retained penetration at 25°C after hardening % EN 12607-1
EN 1426		 ≥60
Softening point increase after hardening °C EN 12607-1
EN 14267		 ≤8
Flash point °C EN ISO 2592 ≥235
Fraass breaking point °C EN 12593 ≤-10
Elastic recovery at 25°C % EN 13398 ≥60
Elastic recovery at 10°C % EN 13398 NR
Plasticity range °C EN 14023 NR
Drop in softening point after EN 12607-1| °C EN 12607-1
EN 1427		 TBR
Elastic recovery at 25°C after EN 12607-1 % EN 12607-1
EN 13398		 ≥50
Elastic recovery at 10°C after EN 12607-1 % EN 12607-1
EN 13398		 NR
Storage stability – difference in softening point °C EN 13399
EN 1427		 ≤5
Storage stability – difference in penetration 0.1 mm EN 13399
EN 14276		 NR

4/ PMB 25/55-65

Reference standard: EN 14023:2010

PROPERTY UNIT METHOD REQUIREMENT
Penetration at 25°C 0,1 mm EN 1426 25-55
Softening Point °C EN 1427 ≥65
Force ductility tested using ductilometer (50 mm/min) J/cm2 EN13589
EN13703		 TBR
Change of mass after hardening % m/m EN 12607-1 ≤0.5
Retained penetration at 25°C after hardening % EN 12607-1
EN 1426		 ≥60
Softening point increase after hardening °C EN 12607-1
EN 14267		 ≤8
Flash point °C EN ISO 2592 ≥250
Fraass breaking point °C EN 12593 ≤-10
Elastic recovery at 25°C % EN 13398 ≥70
Storage stability – difference in softening point °C EN 13399
EN 1427		 ≤5
Storage stability – difference in penetration 0.1 mm EN 13399
EN 14276		 ≤9
Drop in softening point after EN 12607-1 °C EN 1427 TBR
Elastic recovery at 25°C after EN 12607-1 % EN 12607-1
EN 13398		 ≥60

5/ PMB 45/80-55

This polymer modified bitumen is one of the most widely used and popular types of modified bitumen. It was specifically designed for application in all types of asphalt mixtures for wearing courses, including asphalt concrete (AC), stone mastic asphalt (SMA), porous asphalt (PA), thin asphalt layers (BBTM), and ultra-thin layers (AUTL). Its superior elasticity, durability, and resistance to deformation make it an excellent choice for high-traffic areas, ensuring long-lasting performance and reduced maintenance needs. Additionally, its ability to withstand varying weather conditions and heavy loads makes it a versatile and reliable solution for modern road construction and rehabilitation projects.

PROPERTY UNIT METHOD REQUIREMENT
Penetration at 25°C 0,1 mm EN 1426 45-80
Softening Point °C EN 1427 ≥55
Force ductility tested using ductilometer (50 mm/min) J/cm2 EN13589
EN13703		 ≥3 at 5°C
Tensile Test at 5°C (100 mm/min) | J/cm2 EN 13587 NR
Vialit pendulum (impact test) J/cm2 EN 13588 NR
Change of mass after hardening* % m/m EN 12607-1 ≤0.5
Retained penetration at 25°C after hardening % EN 12607-1
EN 1426		 ≥60
Softening point increase after hardening °C EN 12607-1
EN 14267		 ≤8
Flash point °C EN ISO 2592 ≥235
Fraass breaking point °C EN 12593 ≤-15
Elastic recovery at 25°C % EN 13398 ≥70
Elastic recovery at 10°C % EN 13398 NR
Plasticity range °C EN 14023 NR
Drop in softening point after EN 12607-1| °C EN 12607-1
EN 1427		 TBR
Elastic recovery at 25°C after EN 12607-1 % EN 12607-1
EN 13398		 ≥50
Elastic recovery at 10°C after EN 12607-1 % EN 12607-1
EN 13398		 NR
Storage stability – difference in softening point °C EN 13399
EN 1427		 ≤5
Storage stability – difference in penetration 0.1 mm EN 13399
EN 14276		 NR

6/ PMB 45/80-65

This polymer modified bitumen is best for wearing courses and specialized applications. It offers high elasticity, a high softening point, and excellent low-temperature performance. While its high polymer content can make thin-layer application challenging in adverse weather (due to rapid stiffening and compaction issues), its properties make it ideal for areas requiring high tensile strength, fatigue resistance, and superior low-temperature performance.

PROPERTY UNIT METHOD REQUIREMENT
Penetration at 25°C 0,1 mm EN 1426 45-80
Softening Point °C EN 1427 ≥65
Force ductility tested using ductilometer (50 mm/min) J/cm2 EN13589
EN13703		 ≥2 at 10°C
Tensile Test at 5°C (100 mm/min) | J/cm2 EN 13587 NR
Vialit pendulum (impact test) J/cm2 EN 13588 NR
Change of mass after hardening* % m/m EN 12607-1 ≤0.5
Retained penetration at 25°C after hardening % EN 12607-1
EN 1426		 ≥60
Softening point increase after hardening °C EN 12607-1
EN 14267		 ≤8
Flash point °C EN ISO 2592 ≥235
Fraass breaking point °C EN 12593 ≤-15
Elastic recovery at 25°C % EN 13398 ≥80
Elastic recovery at 10°C % EN 13398 NR
Plasticity range °C EN 14023 NR
Drop in softening point after EN 12607-1| °C EN 12607-1
EN 1427		 TBR
Elastic recovery at 25°C after EN 12607-1 % EN 12607-1
EN 13398		 ≥60
Elastic recovery at 10°C after EN 12607-1 % EN 12607-1
EN 13398		 NR
Storage stability – difference in softening point °C EN 13399
EN 1427		 ≤5
Storage stability – difference in penetration 0.1 mm EN 13399
EN 14276		 NR
ADVANTAGES

Advantages of Polymer Modified Bitumen

Less rutting and fatigue cracking

due to increased elasticity.

Improved durability

since PMB is less prone to aging, oxidation and UV radiation.

Lower temperature sensitivity

which means PMB will not go soft in heat, will not crack in cold and hence will work in variety of climates.

Increased adhesion

which means better bonding with other construction materials and, as a result, enhanced overall durability of the structure.

Enhanced water resistance

which means PMB is less prone to water damage and is excellent for waterproofing.

High Skid Resistance

which contributes to safer high-traffic roads.

Syntex

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