


Rothenberger - Solder paste for fittings ROSOL 3, 250g - 45225
2-4 business days
Free shipping with minimum order of €500
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Rothenberger ROSOL 3 Soldering Paste: Features and Applications
Rothenberger ROSOL 3 soldering paste (item code 45225) is a professional 250g solution specifically formulated for brazing copper and copper alloy fittings. This high-quality soldering paste has been developed to ensure perfect, resistant, and long-lasting metal joints, setting a standard in the plumbing and HVAC industries.
Composition and Technical Properties
ROSOL 3 is a rosin-based soldering paste with an optimal working temperature range between 200°C and 400°C. Its chemical formulation has been designed to offer excellent fluxing properties that facilitate the capillary distribution of the solder alloy. The paste contains deoxidizing agents that effectively clean metal surfaces during the heating process, eliminating oxides and impurities that could compromise the quality of the solder joint.
Key Benefits
Rothenberger ROSOL 3 soldering paste offers numerous benefits that make it the ideal choice for professionals and DIY enthusiasts:
- Excellent fluidity ensures uniform distribution of the solder material
- High deoxidizing capacity for perfectly clean metal surfaces
- Optimal consistency facilitates application even in difficult positions
- Easily removable residues after soldering
- Compatibility with all types of soft brazing alloys
- Corrosion resistance of the joints created
- Compliance with international safety regulations
Ideal Applications
This soldering paste is particularly suitable for:
- Installation and maintenance of plumbing systems
- Creating connections in heating systems
- Soldering potable water pipes (check local regulations)
- Repairing copper and brass components
- Precision work on refrigeration circuits
- Electrical connections requiring reliable soldering
How to Use
To achieve optimal results with ROSOL 3 soldering paste, follow these steps: thoroughly clean the surfaces to be soldered, removing all traces of dirt, grease, or oxidation; apply a thin, even layer of soldering paste to the areas to be joined; uniformly heat the joint area until the melting temperature of the solder alloy is reached; apply the solder alloy, which will distribute itself into the joint by capillary action; allow to cool naturally, avoiding abrupt movements; remove any paste residues with a damp cloth.
Storage and Safety
The 250g jar of ROSOL 3 is designed to keep the paste in optimal condition. It is recommended to store the product in a cool, dry place, away from heat sources and direct sunlight. Always close the container tightly after use to prevent the paste from drying out. During use, it is advisable to work in well-ventilated areas and avoid inhaling the fumes produced during soldering. In case of contact with skin, wash thoroughly with soap and water.
Why Choose Rothenberger
Rothenberger is a German brand recognized worldwide for the quality and reliability of its products in the HVAC sector. With over 70 years of experience, the company has developed innovative solutions that meet the needs of the most demanding professionals. ROSOL 3 soldering paste perfectly embodies the brand's philosophy: offering tools and consumables that guarantee professional results, durability, and safety.













