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Petra Oil

Polymer-Modified-Bitumen-pmb 50/90-55

Polymer Modified Bitumen

PMB 50/90-55

Petra Oil’s PMB 50/90-55 is a premium polymer-modified bitumen designed for extreme performance in high-load traffic zones and structural infrastructure like bridges and airport runways. Its high softening point ensures it remains stable in extreme temperatures, offering outstanding thermal and oxidative resistance.

Key Specifications:

  • Penetration Grade: 50/90
  • Softening Point: 55°C
  • Standard Compliance: IS 15462:2019
  • Type: Polymer Modified Bitumen (PMB)

Main Applications of PMB 50/90-55:

  • High-Traffic Roads and Highways: Perfect for high-traffic highways that experience heavy truck loads and high temperatures. PMB 50/90-55 offers excellent deformation resistance, ensuring long-term road performance.
  • Bridges and Elevated Structures: Used on bridge decks, overpasses, and other elevated structures to prevent cracking due to thermal stresses.
  • Airport Runways and Taxiways: The ideal solution for airport runways that must handle extreme temperature variations and heavy aircraft traffic, maintaining its structural integrity.
  • Urban Infrastructure: Provides long-lasting roads in industrial zones, urban streets, and high-traffic areas.

Benefits of PMB 50/90-55:

  • Superior cracking resistance in high-temperature environments.
  • Increased flexibility and elasticity, enhancing road performance.
  • Reduced repair and maintenance costs with long-term durability.
Characteristic
50/90-55
Test Method
Penetration at 25°C, 0.1mm, 100g, 5s
50 – 90
IS 15462-2004
Softening Point (R&B) °C, Min
55
IS 15462-2004
Fraass breaking point, °C, Max
-10
IS 15462-2004
Flash Point, COC, °C, Mina
220
IS 15462-2004
Elastic recovery of half thread in ductilometer at 15°C, % Min
30
IS 15462-2004
Separation, difference in softning point, R&B, °C, Max
3
IS 15462-2004
Viscosity at 150°C, Poise
3 to 9
IS 15462-2004
Thin Film Oven Tests and Test on Residue
(a) Loss in mass, % Max.
1.0
IS 15462-2004
(b) Increasing in Softning Point, °C, Max
5
IS 15462-2004
(c) Reduction in penetration of residue at 25°C, % Max
35
IS 15462-2004
(d) Elastic recovery of half thread in ductilometer at 25°C, % Min
35
IS 15462-2004

Safe Handling and Storage​

  • Use Personal Protective Equipment (PPE’s) when handling (i.e. gloves, eye protectors, etc.
  • Maintain safe heating temperatures when using this product.
  • Avoid contact with skin, eyes and clothing.
  • Avoid breathing vapor, spray or mists when applying.

Packaging

Penetration graded Bitumen PG70-10 is available in 0.6 mm thickness, 180 kg net weight drums, 95 cm height and 45 cm diameter (+/- 3 kg operational tolerance).

Drums

Keep drums in a cool, well-ventilated place.​

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