Polymer Modified Bitumen

Polymer Modified Bitumen produced by blending Molten Bitumen with suitable polymers and additives. PMB binders range from lightly modified to heavily modified and can be used in High Stress Seals (HSS), Strain Alleviating Membranes (SAM) and Strain Alleviating Membrane Interlayer (SAMI).Careful selection of polymer types greatly enhances binder performance, improving elasticity, reduce temperature susceptibility and improves adhesion

PMB are classified based on the penetration, softening point and FRAASS breaking Point

Types & Uses of PMB:

PMB 120: Recommended for cold climate areas
PMB 70: Recommended for moderate climate areas
PMB 40: Recommended for hot climate areas

Application

PMB can be applied for various requirements like improvement in rutting resistance, thermal cracking, fatigue damage, stripping, and temperature susceptibility. Polymer modified bitumen have substituted non-modified, neat bitumen in many paving and maintenance applications, as defined below:

hot mix
warm mix
cold mix
chip seals
hot and cold crack filling
patching
recycling
slurry seal.

Advantages

Higher cohesion and better adhesion to mineral aggregates
Larger range of plasticity (temperature range between breaking point and fusion point)
Great elastic recovery after relief
Higher fatigue resistance
Superior rheology for seals subjected to traffic induced cracks.
Higher cohesive strength to with stand stripping action of high speed traffic.
Higher viscosity at elevated temperatures combats bleeding of binder.

Product Range of PMB

PMB E40
PMB E70
PMB E120

Specification of PMB AS PER :IS 15462:2004

Characteristic	Elastomeric Thermoplastic Based Grade & Requirement			Plastomeric Thermoplastic Based Grade & Requirement
	E 40	E 70	E 120	P 40	P 70	P 120
Penetration at 25 OC, 0.1 mm, 100 g, 5 s	30- 50	50- 90	90-150	30-50	50-90	90-150

Softening point, (R&B), OC, Min	60	55	50	60	55	50

FRAASS breaking point, 1),OC, Min	-12	-16	-20	-12	-16	-20

Flash point, COC, OC, Min	220	220	220	220	220	220

Elastic recovery of half thread in ductilometer at 15 OC, percent, Min	70	70	70	30	40	50

Separation, difference in softening point, R&B, OC, Max	3	3	3	3	3	3

Viscosity at 150 OC, Poise	3-9	2-6	1-3	3-9	2-6	1-3

Thin film oven test and tests on residue:
a) Loss in mass, percent, Max	1.0	1.0	1.0	1.0	1.0	1.0

b) Increase in softening point, OC, Max	5	6	7	5	6	7

c) Reduction in penetration of residue, at 25 OC, percent, Max	35	35	35	35	35	35

d) Elastic recovery of half thread in ductilometer at 25 OC, Percent, Min	50	50	50	35	35	35

Brij Chemicals

At Brij Chemicals, we manufacture the bitumen emulsions as per the requirement of our client that vary according to the application of bitumen and the climatic conditions.

We manufacture both anionic and cationic bitumen emulsions.

Our Products

Useful Links

Contact Us

Brij Chemicals
7 - B, Harinagar Society,
Nr. GEB Substation, Op. Anand Vidhya Vihar School
Gotri Road,
Vadodara (Gujarat)
Tel Fax : 0265 – 2345454 , 2345445
(J) 098250 45454 (S) 09825 327438 (B) 090994 45454

Designed and Developed by TechnoViewer

Products and Services