Polymer modified bitumen (PMB) is bitumen combined with one or more polymer materials. This modification is done with the aim of enhancing the mechanical properties of the bitumen material. Polymer modified bitumen is typically used on road pavements, particularly those that are intended to withstand heavy-duty traffic and extreme weather conditions. This material is also used as a sealant in residential roofing applications. PMB is typically made by combining bitumen with a styrene-butadiene-styrene (SBS) copolymer. The addition of the polymer makes the bitumen more elastomeric in nature. Some of the desirable properties of polymer modified bitumen include improved strength, cohesiveness and resistance to fatigue and deformation. PMB also possesses less temperature sensitivity than plain bitumen. This is particularly crucial for pavement applications because the material will not flow or become soft in high temperatures while it maintains its workability and flexibility in colder temperatures. Styrene-butadiene styrene (SBS), which acts as a binder modification agent, is known to increase the longevity of pavements that are subjected to a range of onerous loading on a daily basis including high traffic loading and high thermal stresses. Other benefits of PMB when used in pavement applications include:
Stronger road with increased stability and greater rigidity.
Better resistant towards rainwater and water stagnation.
Better resistance to permanent deformation
Reduction in pores in aggregate and hence less rutting and ravelling.
Much higher durability
|Characteristics||Grade & Requirements|
|Penetration at 25℃, 0.1 mm, 100 g, 5 s.||90 to 150||50 to 90||30 to 50|
|Softening point (R&B), ℃, Min||50||55||60|
|FRAASS breaking point1), ℃, Max||-20||-16||-12|
|Flash point, COC, ℃, Min||220||220||220|
|Elastic recovery of half thread in ductilimeter at 15 ℃, percent, Min||70||70||70|
|Complex modulus as (G*/ sin δ as Min 1.0 kPa at 10 rad/s, at temperature ℃)||52||58||70|
|Separation, difference in softening point (R&B), ℃, Max||3||3||3|
|Viscosity at 150℃, Poise||1-3||2-6||3-9|
|Thin film oven test and tests on residue:|
|a) Loss in mass, percent, Max||1.0||1.0||1.0|
|b) Increase in softening point, ℃, Max||7||6||5>|
|c) Reduction in penetration of residue, at 25℃, percent, Max||35||35||35|
|d) Elastic recovery of half thread in ductilimeter at 25 ℃, percent, Min||50||50||50|
|OR Complex modulus as (G*/ sin δ as Min 2.2 kPa at 10 rad/s, at temperature ℃)||52||58||70|
Do you import Bitumen or Purchase Domestic?
We import Viscosity Grade bitumen directly from top refineries of Middle east countries packed & bulk both forms& provide to clients at reasonable price. Refineries specially produce bitumen with our label too.
Are You PWD Empanelled?
Yes, we are authorized by PWD govt. of Raj. & Uttarakhand for quality bitumen.
Where do you supply Bitumen?
We supply Bitumen from Kandla, Mumbai, Mundra, Jaipur, Jodhpur, Pipavav, Vadodara, Hazira & so on.
Do you Export Bitumen?
Yes, we export Bitumen& we are no. 1 Bitumen Exporter in India in December 2021 and Jan 2022. We are the 3rd Largest Importer in packed bitumen category in India. We have pack drums available in 156kg & 180 kg. We export bitumen packed & bulk both forms. We export bitumen in Nepal Birgunj, Biratnagar, Bhairahawa, Nepalgunj, Kakarvitta and Still Going!
Where is your Head Office?
We are located in Jaipur (Raj.) since 2017 Near PWD Office.
What Grade or viscosity Bitumen do you supply?
We supply VG10, Vg30, VG40 in Bulk & drum both forms PAN India.
How long does it take to process the order?
After getting confirmation of an order, we proceed the order further & upto24hours-48hourswe dispatch the order.
Does the Prices are inclusive transportation Charges?
We quote Bitumen price only, but we can arrange transport for buyer separately.
What is the mode of payment?
We accept Payment Through Bank Transfer, BG (Bank Guarantee), LC (letter of credit) by government approved Financer/ Bank.
What is Bitumen Terms of Delivery?
We can Provide FOB shipments/Ex Port, CFR (Cost Freight Rate), CIF (cost Insurance & freight)
What are the benefits / advantages of VG Bitumen over Penetration Grade?
VG bitumen is globally preferred to penetration grades (30/40, 60/70, 80/100, and soon), mainly because it is tested and classified more accurately.
Do we have a ready-made chart to use various Bitumen Grades as per the temperature zones?
Yes, we have chart or test reports of every shipment as per viscosity, Penetration, Grade temperature & require product details.
How would you assure about the quality of Bitumen?
Our Bitumen is certified by Refineries & NABL& IIT Roorki laboratory also. We have in house Laboratory also & we do test of every shipment.