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Bitumen 80/100
It offers reliable and durable performance for road construction, highways, and heavy-duty paving. Engineered to withstand traffic loads and varying weather conditions, it ensures long-lasting strength and superior adhesion for quality infrastructure projects.
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What is bitumen 80/100?
Bitumen 80/100 is a penetration grade bitumen with a needle penetration value between 80 and 100 (measured in units of 0.1 mm) at 25°C under a 100g load for 5 seconds per ASTM D5. The penetration value directly indicates the consistency and hardness of the bitumen — a higher number means a softer, more pliable material. As a result, Bitumen 80/100 sits at the softer end of the paving grade spectrum, making it especially well-suited for road construction in moderate to cool climates where flexibility and crack resistance are priorities.
Classified under ASTM D946 and AASHTO M20, this grade is produced through the vacuum distillation of crude oil. The resulting material is a dark brown-to-black, semi-solid thermoplastic substance that softens when heated and hardens when cooled. Its thermoplastic behaviour makes it highly workable during application and reliably stable once in service.
Black Rock Bitumen supplies Penetration Grade Bitumen 80/100 sourced from quality-controlled refineries, inspected by independent third parties, and shipped in new steel drums, jumbo bags, or bulk containers to destinations across Africa, Asia, the Middle East, and the GCC.
Key properties & technical characteristics
Bitumen 80/100 delivers a precise balance of softness, adhesion, and durability. Its softening point of 42–50°C (per ASTM D36) means it begins to flow at moderate temperatures, which is ideal for blending into hot-mix asphalt (HMA) and achieving uniform coating of aggregates. Its ductility value of 100 cm minimum (ASTM D113) reflects exceptional elasticity — the material can stretch significantly before failing, which resists cracking under thermal cycling and traffic stress.
With a flash point above 250°C (ASTM D92), it is safe for high-temperature mixing operations. Solubility in trichloroethylene of 99% minimum confirms a high degree of purity and minimal inert content. These properties together make 80/100 one of the most reliable paving grade bitumens for projects demanding long-term pavement performance.
Due to its higher viscosity compared to softer grades, bitumen 80/100 enables a thinner pavement design — industry data indicates up to a 30% reduction in asphalt volume applied without compromising structural performance.
Penetration Grade Bitumen 80/100
Essential Details
Description
- Type
- Penetration Grade Bitumen
- Feed Stock
- Crude Oil
- HS Code
- 27132000
- Spot Test
- Negative
- Inspection
- Included
- Delivery Term
- FOB-CFR-CIF
- Production and Loading Period
- FOB-CFR-CIF
- Payment Term
- TT Method FOB Delivery: 30% advance and balance against customs documents CFR/CIF Delivery: 30% advance and balance against B/L daft
- Marking
- Marking can be customized based on customer request
- Supply Capacity
- 50,000 MT/Month
- Packing
- -New Steel Drum -Jumbo Bag
Bitumen 80/100 Specification
Bitumen Penetration Grade 80/100 Specifications
Essential Details
Test Method
Unit
Min.
Max.
- Specific Gravity at 25 °C
- ASTM D70
- –
- 1.01
- 1.06
- Penetration at 25 °C, 100g, 5s
- ASTM D5
- 0.1mm
- 80
- 100
- Softening Point
- ASTM D36
- °C
- 42
- 50
- Ductility at 25 °C
- ASTM D113
- cm
- 100
- –
- Loss on Heating
- ASTM D6
- wt.%
- –
- 0.2
- Drop in Penetration after Heating
- ASTM D5
- %
- –
- 20
- Flash Point
- ASTM D92
- °C
- 250
- –
- Solubility in Trichloroethylene
- ASTM D2042
- wt.%
- 99
- –
- Spot Test
- ASHTO T102
- Negative
Applications & use cases
The primary application of Bitumen 80/100 is in the production of hot mix asphalt (HMA) for base courses and wearing courses. Its combination of flexibility, adhesion, and load-bearing performance makes it effective across a wide range of infrastructure applications:
Road Construction
Base and wearing course binder for highways, national roads, and urban streets in moderate-to-cool climates.
Flexible Pavement
Used in flexible pavement design where traffic-induced deflection must be absorbed without surface cracking.
Waterproofing
Applied in roofing systems, foundation waterproofing, & drainage structures owing to its impermeable surface film.
Airport Runways
Suitable for light-load aprons and taxiways in cooler environments requiring fatigue resistance.
Bitumen Emulsion Base
Commonly used as a feedstock for manufacturing cationic and anionic bitumen emulsions.
Industrial Coatings
Applied as a protective bituminous coating on pipelines, steel structures, and underground installations.
Bitumen 80/100 vs bitumen 60/70 — which grade to choose?
Bitumen 60/70 and 80/100 are the two most widely traded penetration grades globally. Choosing between them depends primarily on climate, traffic load, and pavement design requirements.
Our Packaging
We deliver bitumen in versatile, secure options: economical Jumbo Bags, robust steel Drums, or high-volume Bulk Containers (Bitutainers/Bituboxes).
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Frequently Asked Questions.
Grade 80/100 Penetration Bitumen provides durable, high-quality performance for roads and heavy-duty paving.
What is Penetration Grade Bitumen 80/100?
Penetration Grade Bitumen 80/100 is a semi-soft paving bitumen, measured by the depth a standard needle penetrates under specific conditions. It’s widely used in road construction and waterproofing.
What are the primary applications of Grade 80/100 bitumen?
It is mainly used for flexible pavements, asphalt mixes, and road surfacing where medium hardness and good binding properties are required.
What are the key properties of Grade 80/100 bitumen?
It offers a balance of hardness and flexibility, ensuring durability, resistance to deformation under traffic, and effective adhesion with aggregates.
How should Grade 80/100 bitumen be stored?
Store in a clean, dry area away from moisture and direct sunlight. Maintain proper temperature to avoid hardening or softening before use.
Why choose Black Rock Bitumen for Grade 80/100?
We supply high-quality, reliable bitumen with consistent penetration values, ensuring optimal performance in road construction and infrastructure projects.