Noble Company 765 Noburst 100 Degree Pre-mix Anti-freeze 55 Gallon

Product Description

The Noble Company 765 NOBURST Pre-Mix Anti-Freeze is a non-toxic, propylene glycol-based antifreeze and heat transfer fluid formulated for use in hydronic heating systems, fire suppression systems, and other fluid-based systems where freeze protection is required. This product comes as a pre-mixed solution, ready to use straight from the 55-gallon drum with no additional dilution needed. It is rated to protect against freezing down to negative 100 degrees Fahrenheit, making it suitable for cold-climate installations and outdoor mechanical systems exposed to extreme temperatures. HVAC technicians, plumbers, and mechanical contractors rely on NOBURST when installing or servicing hydronic radiant floor heating systems, boiler loops, chilled water systems, and closed-loop HVAC equipment. The active ingredient, propylene glycol, is Generally Regarded As Safe by the FDA, which means this fluid is approved for use in systems where incidental contact with potable water is a possibility. This is a critical distinction for contractors working on systems that may connect to or run adjacent to domestic water supplies. Unlike ethylene glycol-based antifreezes, NOBURST is safe around humans and animals, making it the preferred choice in food service facilities, schools, hospitals, and residential applications. The formula includes a corrosion inhibitor to protect metal components such as copper pipe, steel, cast iron, and aluminum fittings commonly found in hydronic systems. A de-foaming agent is also included to prevent air entrainment and maintain efficient heat transfer throughout the system loop. This product is not intended for use in automotive cooling systems or in any system that contains galvanized pipe, as the propylene glycol formula can react with zinc coatings. The 55-gallon drum size is ideal for large commercial projects or contractors who want a cost-effective bulk supply for multiple jobs.

• Pre-mixed propylene glycol antifreeze rated to negative 100 degrees Fahrenheit, ready to use with no dilution required
• Non-toxic, Generally Regarded As Safe formula approved for systems where contact with potable water is possible
• Includes corrosion inhibitor and de-foaming agent to protect system components and maintain heat transfer efficiency

Product Highlights

The Noble Company 765 NOBURST Pre-Mix Anti-Freeze delivers reliable freeze protection and safe heat transfer in hydronic, fire suppression, and closed-loop HVAC systems. Its non-toxic, propylene glycol formula makes it the preferred choice for potable water-adjacent applications in residential and commercial settings.

Product Information

Standard Information

• Brand: NOBLE COMPANY
• Manufacturer Part Number: 765

Technical Specifications

• Active Ingredient: Propylene Glycol
• Freeze Protection Rating: Negative 100 degrees Fahrenheit
• Container Size: 55 Gallon Drum
• Corrosion Inhibitor: Included
• De-Foaming Agent: Included
• Toxicity: Essentially Non-Toxic, Generally Regarded As Safe
• Potable Water Contact: Safe for use where contact with potable water is a possibility
• Incompatible Systems: Not for use in automotive systems or systems containing galvanized pipe