Bitumen 50/70

 

Bitumen and Its Different Grades

What is Bitumen?

Bitumen is a viscous, black, and sticky petroleum-based material primarily used in road construction, waterproofing, and industrial applications. It is produced through the distillation of crude oil and is known for its waterproofing, adhesive, and durability properties.

Different Grades of Bitumen

Bitumen is classified based on its penetration value, viscosity, or performance under specific conditions. The most common types include:

  1. Penetration Grade Bitumen (Most Common for Roads)
    Classified by penetration value (hardness level) measured in 0.1 mm units.
    The lower the penetration number, the harder and more durable the bitumen.
    Common grades & uses:
    Bitumen 40/50 → Heavy-duty roads, airport runways
    Bitumen 60/70 → Highways, expressways (best for tropical climates)
    Bitumen 80/100 → Provincial & city roads, waterproofing
  2. Viscosity Grade Bitumen (VG)
    Classified by viscosity at 60°C (better for temperature variations).
    Used in hotter climates and industrial applications.
    Common grades:
    VG-10 → Low-traffic roads, spraying applications
    VG-30 → Highways & urban roads (widely used in India & hot climates)
    VG-40 → Heavy-duty pavements & industrial use
  3. Performance Grade (PG) Bitumen
    Designed to withstand specific temperature ranges.
    Used in regions with extreme temperature fluctuations.
    Example: PG 64-22 (can handle +64°C max and -22°C min temperatures).
  4. Oxidized (Blown) Bitumen
    Produced by blowing air into hot bitumen, making it harder & more resistant to aging.
    Used for roofing, waterproofing, and industrial coatings.
    Grades: Ranging from Bitumen 85/25 to 115/15.
  5. Cutback Bitumen
    Bitumen mixed with solvents (kerosene, diesel) for cold weather applications.
    Used for road repair & spray sealing.
  6. Emulsified Bitumen
    Bitumen mixed with water & emulsifiers for cold applications.
    Used in pothole repairs, surface treatments, and rural roads.

Choosing the Right Bitumen Grade

  • Highways & heavy traffic roads → 60/70 or VG-30
  • Urban roads & general paving → 80/100 or VG-10
  • Roofing & waterproofing → Oxidized bitumen
  • Cold weather construction → Cutback or Emulsified bitumen

Bitumen Supplier Liberia

Which grade of bitumen is most commonly used in Liberia

60/70 Penetration Grade Bitumen
Reasons for Its Common Use:

  • Climate Suitability: Liberia’s hot and humid tropical climate demands a bitumen grade that is soft enough to resist cracking but hard enough not to rut—60/70 is ideal for this.
  • Infrastructure Standards: Most road construction projects in Liberia, often backed by international donors (e.g., World Bank, African Development Bank), specify 60/70 in their tender documents.
  • Availability: Widely available from major exporters in UAE, India, Iran, and Turkey—typically imported via the Port of Monrovia.
  • Cost-effectiveness: It balances durability and price, making it attractive for both government and private contractors.

Other Grades Occasionally Used:

  • 80/100 – Softer, used in cooler or less trafficked rural areas.
  • 40/50 or PMB (Polymer Modified Bitumen) – For highways or airport-grade pavements, but less common due to higher cost and limited local expertise.

Jumbo Bag and Drum Packaging for Bitumen Grades 60/70 and 80/100 for Liberia

Bitumen 60/70-80/100 in 1 MT Jumbo Bag with a steel cage and pallet: Loading 20 MT in 20 ft Container
Bitumen 60/70 in 1200 KG Jumbo Bag : Loading 24 MT in 40 ft Container
Bitumen 60/70 in 1300 Kg Jumbo Bag: Loading 26 MT in 40 ft Container
Bitumen 60/70 in 300 Kg BituBag: Loading 24 MT in 20 ft Container
Bitumen 60/70-80/100 in 180kg New Steel Drum: Loading 110 Drum in 20 ft = 20 Ton

Key Ports for Unloading Bitumen Supplier Liberia

  1. Port of Monrovia (Freeport of Monrovia)
    Main seaport of Liberia, located in the capital.
  2. Port of Buchanan
    Located southeast of Monrovia.

Domestic and foreign Bitumen Supplier Liberia

  1. TotalEnergies Liberia
    Supplies bitumen and petroleum products through its local branches.
  2. Conex Petroleum Group
    Major fuel distributor in Liberia.
  3. National Petroleum (NP) Liberia Limited
    Primarily focused on fuels, but can arrange bitumen imports through its network.

International Bitumen Supplier Liberia

International supplier of bitumen from Liberia By choosing Zumrut International Kimya, you benefit from lasting quality, professional service, and unparalleled expertise in bitumen supply. We are committed to sustainability, innovation, and customer satisfaction, continuously striving to deliver cutting-edge solutions in the bitumen industry.

🔹 Zumrut International Kimya  is fully prepared to supply and deliver various grades of bitumen on CIF and CFR terms to various Liberia ports, .🔹

Bitumen penetration grade specifications 60/70, 80/100, 40/50 for Liberia

 

Property Bitumen 40/50 Bitumen 60/70 Bitumen 80/100 Test Method
Penetration (25°C, 100g, 5s) (0.1 mm) 40 – 50 60 – 70 80 – 100 ASTM D5
Softening Point (°C) 50 – 58 48 – 56 45 – 52 ASTM D36
Ductility (25°C, cm) >100 >100 >100 ASTM D113
Specific Gravity @ 25°C 1.01 – 1.06 1.01 – 1.06 1.01 – 1.06 ASTM D70
Flash Point (°C, min) 250 230 225 ASTM D92
Loss on Heating (% max) 0.5 0.5 0.5 ASTM D6
Solubility in Trichloroethylene (% min) 99 99 99 ASTM D2042
Viscosity @ 135°C (cSt) 400 – 600 200 – 400 150 – 300 ASTM D2170
Spot Test Negative Negative Negative AASHTO T102