freezemaster™ Antifreeze Blog
In-depth antifreeze and fire safety advice and insights from the experts behind the freeze protection technology like no other.
Codes | Corrosion | FAQs | Standards & Approvals
Piping materials for fire sprinkler systems vary based on budget, location, when the system was designed, contractor preference and more. Although more common in dry pipe fire sprinkler systems, there are many existing and new wet systems made with galvanized pipe. For these, there is only one UL-listed antifreeze approved for use with galvanized piping: freezemaster™ antifreeze.
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Fire sprinkler systems can be prone to a specific category of corrosion plaguing the industry known as microbiologically influenced corrosion, or MIC. According to the FM Global report “Corrosion and Corrosion Mitigation in Fire Protection Systems,” MIC is responsible for 10-30% of corrosion in all piping systems in the U.S.
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UL 2901 was established in December 2013, outlining certification requirements for antifreeze solutions for wet pipe fire sprinkler systems. To meet the UL 2901 requirements, antifreeze products must prove corrosion resistance (important for metal-based fire sprinkler systems), fire performance (i.e., flammability), hydraulic characteristics, human health and environmental impact, and meet marking and installation specifications.
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