National Fire Protection Association (NFPA) requirements require sprinkler system antifreeze to be listed and factory premixed to assure maximum protection in a fire. But not all antifreeze products are created equal when it comes to resisting damaging corrosion in steel systems. This paper examines:
- The causes of corrosion in sprinkler systems and how it compromises sprinkler performance
- How antifreeze can be instrumental in resisting corrosion
- How commercially available listed products compare in corrosion protection properties as determined by lab testing
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