
Low/Light Viscosity RPO Definition
Low/Light Viscosity Rubber Process Oil (RPO) is a type of process oil characterized by a high content of aromatic hydrocarbons and relatively low viscosity. This specific grade of RPO is designed to have a lighter, less viscous consistency, which makes it easier to blend with rubber compounds and other materials. Low viscosity aromatic RPOs enhance the processing characteristics of rubber, improve the dispersion of fillers and additives, and provide the desired flexibility and performance in the final rubber product. They are particularly useful in applications where a more fluid oil is needed for better mixing and processing efficiency.
Low/Light Viscosity RPO or Light RPO Is Fully Rich Aromatic RPO By-Product From Solvent Extracting Process To Modify Physical Properties Of The Vulcanization And To Reduce The Cost Of The Finished Product. This Product Has Good Elastomeric Compatibility And Low Volatility. Light Aromatic Process Oil Well-Known According To Its Viscosity Which Meet ASTM standards and ISO 3104 (American Society For Testing And Materials) Standard Test Method For Kinematic Viscosity Of Transparent And Opaque Liquids (Calculation Of Dynamic Viscosity).
Low/Light Viscosity RPO Applications
Low/Light Viscosity Rubber Process Oils (RPO) are utilized in various applications due to their ease of blending and processing advantages. Here are some common applications:
- Tire Manufacturing : Used to improve the processing of rubber compounds in tire production, enhancing the dispersion of fillers and additives.
- Rubber Compounding : Facilitates the mixing of rubber compounds, making it easier to achieve uniform consistency and properties.
- Footwear : Used in the production of flexible and durable rubber soles and other components in the footwear industry.
- Automotive Parts : Employed in the manufacturing of automotive rubber parts such as hoses, belts, and seals, providing good processability and performance.
- Industrial Rubber Goods : Used in producing industrial rubber products like conveyor belts, gaskets, and seals, where good processability and uniform dispersion are crucial.
- Adhesives and Sealants : Incorporated into rubber-based adhesives and sealants to improve their flexibility and ease of application.
- Rubberized Fabrics : Utilized in the production of rubberized fabrics for applications like waterproof clothing, tents, and protective covers, where a more fluid oil is beneficial for coating processes.
- Sporting Goods : Applied in the manufacture of rubber sporting goods such as balls and grips, where improved flexibility and processing are needed.
- Construction Materials : Used in making rubber components for construction, such as expansion joints and rubber flooring, providing better mixing and processing efficiency.
- Miscellaneous Applications : Employed in various other rubber products where low viscosity and improved processing characteristics are desired, such as hoses, profiles, and molded goods.
The low viscosity of these aromatic RPOs makes them particularly suitable for applications requiring efficient blending and improved processing of rubber compounds.

Light RPO CHARACTERISTICS
- Excellent color stability
- Low volatility properties
- Good solubility properties
- Elastomer capability
Light RPO Packing
| Kind of Packing | Net Weight | Net Weight of Empty | Gross Weight | No. of Drum in 20ft | Net Weight in 20ft | Gross Weight in 20ft |
| Tolerance : +/-5% | ||||||
| Drum | 210 KG | 17-18 KG | 218 KG | 80 | 17.44 MT | 18.600 MT |
| Flexi Tank | 22 MT | 100 KG | 22.100 MT | 1 | 22.000 MT | 22.100 MT |
| Characteristic | Unit | Range | Test method |
| kinematic viscosity@ 100°C | cSt | 15-50 | ASTM: D-445 |
| Flash point | °C | 200-230 | ASTM: D-92 |
| Density @ 15 °C | Kg/m3 | 1000 | D-4052 |
| Aniline point, | °C | 30-40 | IP-2 |
| BMCI | 80-100 | ||
| Sulphur content | wt % | 4 | |
| Sodium | Nil | ||
| Potassium | Nil | ||
| Fraction Compound | CA=35 CN= 30 CP= 35 | ||
| VGC | 0.971 | ASTM D-2501 |



