
What is Gilsonite (Natural Bitumen)?
Gilsonite is a type of Natural Bitumen (asphaltite) that occurs naturally in mines and resembles hard, black asphalt. This substance is composed of hydrocarbon compounds and differs from petroleum-based bitumen in its chemical and physical properties.
Characteristics of Gilsonite:
- Color: Shiny black
- Solubility: Soluble in organic solvents such as toluene and benzene
- High resistance: Resistant to water, heat, and chemicals
- Density: Lower than petroleum-based bitumen
Applications of Gilsonite:
Oil and gas drilling industry: Used as an additive in drilling mud to reduce fluid loss.
Asphalt production: Enhances the quality and durability of asphalt, reducing cracking.
Ink and paint manufacturing: Used due to its high solubility and coloring properties.
Casting and foundry industry: Added to molding sands to improve the quality of cast parts.
Rubber and plastic industries: Enhances the mechanical properties of products.
Insulation and waterproofing materials: Used in construction and waterproofing applications.
Major Gilsonite Mines:
- Iran: The provinces of Kermanshah, Ilam, and Lorestan have some of the richest Gilsonite reserves.
- USA: The state of Utah is the world’s largest producer of Gilsonite.
- Other countries: China, Venezuela, Colombia, and Canada also have Gilsonite deposits.
Conclusion:
Due to its unique physical and chemical properties, Gilsonite is widely used across various industries. It serves as an excellent alternative to some petroleum-based products and is increasingly utilized in modern industries.

The Importance of Gilsonite in Egypt
Gilsonite, a naturally occurring solid hydrocarbon, plays a crucial role in various industries in Egypt due to its unique properties. Here’s why it is important:
- Role in the Asphalt and Road Construction Industry
Gilsonite is widely used in Egypt’s infrastructure projects as a performance-enhancing additive in asphalt mixes. It improves:
– Durability: Enhances resistance to wear and tear under high temperatures.
– Waterproofing: Prevents moisture damage, which is critical for Egypt’s climate.
– Flexibility & Adhesion: Helps asphalt withstand heavy traffic and temperature variations. - Contribution to Oil & Gas Industry
In Egypt’s oil drilling operations, Gilsonite is used as an additive in drilling fluids and cementing applications:
– Prevents fluid loss: Essential in deep drilling to maintain pressure balance.
– Strengthens wellbore stability: Reduces formation damage and enhances drilling efficiency. - Application in Paints, Coatings, and Inks
Egypt’s industrial and manufacturing sectors use Gilsonite for producing:
– High-performance paints and coatings with superior gloss, durability, and water resistance.
– Printing inks for improved adhesion and fast drying. - Waterproofing and Construction Materials
Gilsonite is a key component in sealants and waterproofing products used in construction, helping protect buildings from moisture damage. - Cost-Effectiveness and Sustainability
Compared to synthetic alternatives, Gilsonite is a cost-efficient and eco-friendly solution, making it an attractive choice for various Egyptian industries.
Local and main suppliers of Gilsonite Egypt
EMEC (Egyptian Mud Engineering & Chemicals)
Cairo, Egypt
An Egyptian company supplying Gilsonite under brand names like EMEC TONE and EMEC NT, known for high-quality drilling fluids used in challenging wells.
International Suppliers Serving Egypt
*Zumrut Kimya: A Leading Supplier of Gilsonite in Egypt*
Introduction
Zumrut International Kimia is a premier global supplier of Gilsonite, serving industries across Egypt. With a strong commitment to quality, reliability, and innovation, the company has established itself as a trusted provider of this valuable natural bitumen, catering to diverse industrial applications.
Zumrut Kimia’s Presence in Egypt
With a strong global distribution network, Zumrut Kimia ensures the seamless supply of high-quality Gilsonite to Egypt.
Packaging of Gilsonite Egypt
Jumbo bags of 1Mt or 500Kgs -Which we advise for lambs shipment.
25-50 Kgs bags -Which we advise for powdered shipment.
Spiciall packing for Europe markets 25Kgs sand paper bags , palletised and shriked.
Key ports for Gilsonite Egypt discharge
For importing Gilsonite into Egypt, key ports of discharge include:
- Alexandria Port
Egypt’s largest and busiest seaport, handling a significant portion of mineral and bulk cargo.
Well-equipped for petroleum-based products like Gilsonite. - Port Said Port
Strategically located at the northern entrance of the Suez Canal.
Ideal for shipments coming from Europe, Turkey, and Iran. - Damietta Port
Located on the Mediterranean coast, specializing in general and bulk cargo.
A suitable option for Gilsonite imports due to its modern handling facilities. - Sokhna Port
The main Red Sea port in Egypt, near the Suez Canal.
Preferred for shipments from the Middle East and Asia due to its proximity. - Adabiya Port
Located on the western shore of the Gulf of Suez.
Efficient for handling dry bulk materials, including petroleum-based minerals like Gilsonite.
General Specification of Gilsonite Egypt
| Specification | unit | results | Test Method |
| Ash Content | %Wt | 2.0 – 10.0 | ASTM D-3174 |
| Moisture Content | %Wt | 1.0 – 3.0 | ASTM D-3173 |
| Volatile Matter | %Wt | 63 | ASTM D-3175 |
| Fixed Carbon | %Wt | 29 | ASTM D-3172 |
| Solubility in CS2 | %Wt | 81 | ASTM D-4 |
| Specific Gravity at 25°C | —– | 1.01 – 1.06 | ASTM D-3289 |
| Normal Hepthan Insolubles | %Wt | 79 | ASTM D-3279 |
| Color in Mass | —– | Black | —– |
| Color in Streak or Powder | —– | Brown | —– |
| Softening Point | °C | 180 – 205 | ASTM D-36 |
| Penetration at 25°C | 0.1MM | 0 | ASTM D-5 |



