Rothenberger - ROSOLAR Plus Oil for Thermal Solar Systems - 1500000136

Features of ROSOLAR Plus 1500000136

The ROSOLAR Plus 1500000136 by Rothenberger is a concentrated solar fluid designed specifically for solar thermal systems. This premium product offers frost protection down to -28°C when diluted to 40% and down to -50°C when used at 60%. Its advanced formulation ensures long-lasting protection against corrosion and scale deposits, significantly extending the service life of solar systems.

Complete protection for solar systems

This heat transfer fluid has been developed to ensure optimal performance in all climatic conditions. Its propylene glycol-based composition is biodegradable and non-toxic, making it safe for the environment. ROSOLAR Plus offers complete protection against freezing, corrosion, scaling, and algae formation, ensuring that the solar system operates efficiently for many years.

Main applications

ROSOLAR Plus fluid is ideal for various types of solar thermal systems, including:

• Solar domestic hot water heating systems
• Solar systems for space heating
• Combined solar heating systems
• Solar systems for swimming pools

Technical advantages

ROSOLAR Plus stands out for numerous technical advantages that make it an excellent choice for industry professionals:

• High thermal stability that maintains properties even at high temperatures
• Aging resistance for a long operating life
• Neutral pH that prevents damage to system components
• Compatibility with all materials commonly used in solar systems
• Excellent heat transfer properties to maximize energy efficiency

Technical specifications

ROSOLAR Plus 1500000136 is supplied in a 5-liter container of concentrate that must be diluted with water before use. Key specifications include:

• Base: propylene glycol with corrosion inhibitors
• Color: clear liquid with red coloring to facilitate leak detection
• Density at 20°C: approximately 1.04 g/cm³
• pH value: 7.5-8.5 (neutral)
• Boiling point: above 150°C (concentrate)
• Biodegradability: over 90%

Instructions for use

For optimal results, ROSOLAR Plus should be diluted with demineralized or distilled water before use. The recommended concentration ranges from 40% to 60% depending on the level of frost protection required. It is important not to dilute the product below 40% to maintain adequate corrosion protection. Before filling the system, it is recommended to thoroughly clean the system to remove any residues or contaminants.

Maintenance and control

To ensure optimal performance of the solar system, it is recommended to regularly check the concentration and pH value of the fluid. Rothenberger recommends checking these parameters at least once a year and replacing the fluid every 3-5 years, depending on the operating conditions of the system. This preventative approach helps maintain system efficiency and prevent costly damage to components.

Safety and environment

ROSOLAR Plus has been formulated with safety and environmental sustainability in mind. The product is biodegradable, non-toxic, and poses no environmental hazard when used according to instructions. However, as with all chemical products, it is recommended to wear gloves and protective eyewear during handling and to keep the product out of the reach of children.