Oxidized Bitumen 75-30
What is Oxidized Bitumen 75-30?
Oxidized Bitumen 75-30 is a type of bitumen, which is a black, viscous, and sticky substance that is obtained as a residue from the distillation of crude oil. Bitumen is commonly used in road construction, waterproofing, and roofing.
Oxidized Bitumen 75-30 is produced by blowing air through hot bitumen. This process increases the bitumen's softening point and viscosity, making it more durable and resistant to high temperatures. The "75-30" designation refers to its softening point of 75 degrees Celsius and penetration of 30 decimillimeters.
Oxidized Bitumen 75-30 is used in a wide range of applications, including waterproofing of roofs, floors, and basements, insulation of pipelines and tanks, and production of high-quality bituminous paints and coatings. Its properties make it ideal for use in hot and tropical climates, where traditional bitumen may soften and lose its properties.
Quality of Oxidized Bitumen 75-30
Oxidized bitumen 75-30 is a type of bitumen that has been treated with air or oxygen to increase its hardness and viscosity. The quality of oxidized bitumen 75-30 can vary depending on various factors such as the source of the bitumen, the method of oxidation, and the storage and handling conditions.Here are some of the key quality characteristics of oxidized bitumen 75-30
Penetration: Penetration is a measure of the hardness of the bitumen. The penetration value of oxidized bitumen 75-30 is typically between 10 and 20 decimillimeters (dmm). Higher penetration values indicate a softer bitumen, while lower values indicate a harder bitumen.
Softening point: The softening point of oxidized bitumen 75-30 is typically between 75 and 90 degrees Celsius. This is the temperature at which the bitumen softens and begins to flow.
Ductility: Ductility is a measure of the bitumen's ability to stretch without breaking. The ductility of oxidized bitumen 75-30 is typically between 5 and 15 centimeters at 25 degrees Celsius.
Solubility: The solubility of oxidized bitumen 75-30 in trichloroethylene is typically between 99.5% and 100%. This indicates that the bitumen is highly soluble in this solvent.
Specific gravity: The specific gravity of oxidized bitumen 75-30 is typically between 1.05 and 1.15 at 25 degrees Celsius.
Durability: The durability of oxidized bitumen 75-30 depends on the quality of the base bitumen and the method of oxidation. Proper storage and handling can also help to maintain the quality of the bitumen over time.
History of Oxidized Bitumen 75-30
The history of Oxidized Bitumen dates back to the early 20th century when scientists discovered that by blowing air through hot bitumen, its properties could be improved for various applications. The process of oxidizing bitumen involves blowing air through hot bitumen under controlled conditions to increase its softening point and viscosity.The use of oxidized bitumen in road construction dates back to the 1930s when the first asphalt pavement was laid in the United States. Oxidized bitumen was used as a binder in the asphalt mix to increase its durability and resistance to high temperatures.Over time, the use of oxidized bitumen has expanded to other applications, including waterproofing, roofing, and insulation. In the 1950s, the production of oxidized bitumen was commercialized, and various grades were introduced to meet specific requirements of different applications.Oxidized Bitumen 75-30 is one of the most widely used grades of oxidized bitumen, known for its excellent properties and suitability for hot and tropical climates. Today, it is used in various applications worldwide, and its production has become an important industry.
Usages of Oxidized Bitumen 75-30
Oxidized Bitumen 75-30 is a versatile material that is used in various applications due to its excellent properties. Some of the common usages of Oxidized Bitumen 75-30 are:Waterproofing: It is used in the construction industry for waterproofing of roofs, walls, basements, and other structures.Road construction: It is used as a binder in asphalt mixes for road construction to increase their durability and resistance to high temperatures.
Roofing: It is used as a roofing material for flat roofs and as a sealing material for joints and edges.Insulation: It is used as an insulation material for pipelines, tanks, and other structures to reduce heat loss.Paints and coatings: It is used in the production of high-quality bituminous paints and coatings for protection against weathering, UV exposure, and other environmental factors.
Adhesives: It is used as an adhesive in various industries, such as the automotive industry, for bonding rubber, metal, and other materials.Emulsions: It is used in the production of bituminous emulsions for road maintenance, surface treatments, and other applications.Sealing: It is used as a sealing material for cracks and joints in concrete and other structures.
Packing of Oxidized Bitumen 75-30
Oxidized Bitumen 75-30 is typically packed in steel drums or poly bags to ensure safe transportation and storage. The packing method may vary depending on the supplier and the quantity ordered.
For smaller quantities, such as a few hundred kilograms, Oxidized Bitumen 75-30 is often packed in poly bags of 25-50 kg each. These poly bags are then placed in pallets or wooden crates to facilitate handling.
For larger quantities, such as several tons, Oxidized Bitumen 75-30 is packed in steel drums of 150-200 kg each. The drums are coated with a layer of anti-rust material to prevent corrosion and ensure the product's quality during transportation and storage. The drums are then stacked on pallets and secured with straps or shrink-wrapping for safe transport.
It's important to note that Oxidized Bitumen 75-30 should be stored in a cool and dry place away from direct sunlight and heat sources to prevent softening or degradation of the product. Proper storage and handling can help ensure the quality and performance of the product.
Prices Oxidized Bitumen 75-30
The price of oxidized bitumen 75-30 can vary depending on several factors, including the current market demand, the location of the supplier, the quantity of the order, and the method of transportation.
As of my knowledge cutoff date of September 2021, the price of oxidized bitumen 75-30 in the global market ranged from approximately $400 to $550 USD per metric tonne (MT), depending on the aforementioned factors. However, it's important to note that prices are subject to change and may be influenced by various market and economic factors.
It's also worth mentioning that prices for oxidized bitumen 75-30 can vary between suppliers and regions. Therefore, it's advisable to obtain quotes from multiple suppliers and compare prices before making a purchase decision.
Delivery time and Readiness of Oxidized Bitumen 75-30
The delivery time and readiness of oxidized bitumen 75-30 can vary depending on the availability of the product and the location of the supplier and the buyer. In general, the delivery time can range from a few days to several weeks, depending on various factors such as the quantity of the order, the shipping method, and the distance between the supplier and the buyer.
Before placing an order for oxidized bitumen 75-30, it's important to confirm the availability and delivery time with the supplier. Additionally, it's advisable to check the readiness of the product to ensure that it meets the required specifications and quality standards.
The readiness of oxidized bitumen 75-30 can depend on various factors such as the method of production, the storage conditions, and the age of the product. It's important to check the quality characteristics of the bitumen before accepting delivery to ensure that it meets the required specifications and quality standards.Overall, the delivery time and readiness of oxidized bitumen 75-30 can vary depending on several factors, and it's important to confirm the availability, delivery time, and readiness of the product with the supplier before placing an order.
Specifications of Oxidized Bitumen 75-30
Oxidized bitumen 75-30 is a type of bitumen that is produced by blowing air through hot bitumen under controlled conditions. The specifications of oxidized bitumen 75-30 can vary depending on the manufacturing process and the intended use, but here are some typical specifications:
Softening point: The softening point of oxidized bitumen 75-30 is typically between 70 and 85 degrees Celsius. The softening point is a measure of the temperature at which the bitumen becomes soft and pliable.
Penetration: The penetration of oxidized bitumen 75-30 is typically between 5 and 25 dmm (deci millimeters) at 25 degrees Celsius. The penetration is a measure of the hardness of the bitumen.
Ductility: The ductility of oxidized bitumen 75-30 is typically between 100 and 200 cm at 25 degrees Celsius. The ductility is a measure of the bitumen's ability to stretch without breaking.
Loss on heating: The loss on heating of oxidized bitumen 75-30 is typically between 0.2% and 0.5% by weight. The loss on heating is a measure of the amount of volatile material in the bitumen.
Solubility in trichloroethylene: The solubility in trichloroethylene of oxidized bitumen 75-30 is typically between 99% and 100%. The solubility in trichloroethylene is a measure of the purity of the bitumen.Fraass breaking point: The Fraass breaking point of oxidized bitumen 75-30 is typically below -18 degrees Celsius. The Fraass breaking point is a measure of the bitumen's ability to resist cracking in cold temperatures.
Property | Test Method | Specification |
Softening Point (°C) | 75-80 | ASTM D36 |
Penetration (@25°C) | 20-30 | ASTM D5 |
Ductility (@25°C) | > 5 cm | ASTM D113 |
Flash Point (°C) | > 250 | ASTM D92 |
Solubility in CS2 (%) | > 99.5 | ASTM D4 |
Loss on Heating (%) | < 0.2 | ASTM D6 |
Specific Gravity (@25°C) | 1.05-1.10 | ASTM D70 |