Supplier of Viscosity Grade Bitumen 20 From Dubai-UAE and Turkey

 

Viscosity Grade Bitumen 20 Description

Viscosity Grade Bitumen 20 (VG-20) is a type of bitumen that is classified based on its viscosity at specific temperatures, following the viscosity grading system. VG-20 bitumen is commonly used in various road construction and maintenance applications, particularly in moderate climates.

         Key Properties of VG-20

       Physical Properties

1. Viscosity: 
   –  At 60°C: VG-20 bitumen has a viscosity range of 200 ± 40 poises.
   –  At 135°C: This property is also measured to ensure suitability for mixing and application at elevated temperatures.
2. Penetration:
   – Measures the hardness by the depth a standard needle penetrates at 25°C. VG-20 has a lower penetration value compared to VG-10, indicating it is harder.
3. Softening Point:
   – The temperature at which bitumen softens and becomes flowable. For VG-20, the softening point is typically in the range of 45-55°C.
4. Ductility:
   – Indicates the ability of bitumen to stretch without breaking. VG-20 bitumen generally has good ductility, measured at 25°C.
5. Flash Point:
   – The temperature at which bitumen emits vapor that can ignite in air. VG-20 has a high flash point, typically above 220°C, ensuring safety during heating processes.

            Chemical Properties

1. Solubility in Trichloroethylene:
   – VG-20 bitumen should have a solubility of 99% or higher, indicating high purity and the absence of significant non-bituminous materials.
2. Loss on Heating:
   – The percentage loss in weight after heating for a specified duration. VG-20 exhibits minimal loss on heating, generally less than 1%, indicating good thermal stability.

           Performance Properties

1. Adhesion:
   – VG-20 has excellent adhesive properties, ensuring it binds well with aggregates in road construction and maintenance, improving pavement integrity.
2. Temperature Susceptibility:
   – VG-20 is designed to have moderate temperature susceptibility, providing consistent performance across a range of temperatures, which makes it suitable for regions with moderate climates.
3. Durability:
   – Exhibits good aging resistance, maintaining its properties over time under the effects of weather and traffic.

         Common Applications of VG-20

1. Road Construction:
   – Used in the construction of both base and wearing courses in flexible pavements.
   – Suitable for highways, urban roads, and rural roads.
2. Bitumen Emulsions:
   – Can be used in the production of bitumen emulsions for various road maintenance and construction activities.
3. Tack Coats:
   – Applied as a tack coat to create a bond between the existing pavement and a new overlay.
4. Surface Dressing: 
   – Used for surface dressing applications, providing a protective layer on road surfaces.
5. Modified Bitumen Products: 
   – VG-20 can be modified with polymers or other additives to enhance its properties for specific high-stress applications.

          Specific Tests and Standards

VG-20 bitumen must meet the specifications set by various standards organizations, such as Indian Standards (IS), American Society for Testing and Materials (ASTM), or other regional standards. Common tests include:

• Viscosity Test (IS 1206 (Part II) or ASTM D2171): To determine the viscosity at specified temperatures.
• Penetration Test (IS 1203 or ASTM D5): To measure the penetration value.
• Softening Point Test (IS 1205 or ASTM D36): To determine the softening point.
• Ductility Test (IS 1208 or ASTM D113): To assess ductility.
• Flash Point Test (IS 1209 or ASTM D92): To determine the flash point.
• Solubility Test (IS 1216 or ASTM D2042): To measure solubility in trichloroethylene.

Packing of VG Bitumen 20

Bitumen VG 20 is typically packed and transported in a variety of ways Here are some common packing options for Bitumen VG 20:

• 180kg New Steel Drum: Loading 110 Drum in 20 ft
• 375Kg Bitubag : Loading 24 MT in 20 ft Container
• Bulk in vessel: Loading 2000 to 20,000 MT in Bitumen Carrier
• Bulk in Flexi Bag: Loading 20 MT in Bitumen Felexi Bag
• Bulk in Tunker : Loading 25 MT in Truk Tanker

Advantage of Viscosity Grade 20

Viscosity Grade 20 (VG-20) bitumen offers several distinct advantages, making it an optimal choice for various applications in road construction and maintenance. Here are the key advantages of VG-20 bitumen:

         Key Advantages of VG-20 Bitumen

1. Optimal Viscosity:
   – VG-20’s viscosity is well-balanced, providing ease of handling and application. It is fluid enough to work with during mixing and laying but stiff enough to provide structural integrity once applied.
2. Enhanced Adhesion:
   – VG-20 bitumen has excellent adhesive properties, ensuring a strong bond with aggregates. This leads to improved pavement integrity and durability, reducing the risk of surface wear and degradation over time.
3. Temperature Stability:
   – VG-20 exhibits moderate sensitivity to temperature changes, maintaining consistent performance in varying temperatures. This makes it suitable for regions with moderate climates, where extreme temperatures are less common.
4. Durability and Aging Resistance:
   – VG-20 demonstrates good resistance to aging and weathering. This enhances the longevity of pavements, reducing the frequency of maintenance and repair activities, thus lowering long-term costs.
5. Safety During Handling:
   – VG-20 has a high flash point (typically above 220°C), making it safer to handle and apply at elevated temperatures. This reduces the risk of fire hazards during the heating and application process.
6. Versatility:
   – VG-20 is versatile and can be used in various applications, including base and wearing courses, tack coats, surface dressing, and bitumen emulsions. Its flexibility in application makes it a preferred choice for many road construction and maintenance projects.
7. Improved Performance:
   – The balanced hardness of VG-20 provides a good mix of flexibility and load-bearing capacity. This ensures that pavements can withstand moderate traffic loads without significant deformation or cracking.
8. Environmental Adaptability:
   – VG-20 performs well in environments with moderate temperature fluctuations. It does not become too brittle in colder conditions or too soft in warmer conditions, making it suitable for diverse climates.
9. Ease of Modification:
   – VG-20 can be easily modified with polymers or other additives to enhance its properties for specific needs. This adaptability allows for customization to meet the demands of high-stress areas or unique environmental conditions.
10. Compliance with Standards:
    – VG-20 is produced to meet stringent industry standards (such as IS and ASTM), ensuring consistent quality and performance. Compliance with these standards ensures reliability and efficacy in road construction and maintenance.

VG-20 Specification