Star Brite 316G55 -200°F Super Concentrated Non-Toxic PG Antifreeze 55 Gal Drum

Star Brite 316G55 is a super concentrated, non-toxic propylene glycol antifreeze engineered for extreme cold weather protection in marine, RV, and potable water applications. Formulated with virgin, USP-grade propylene glycol ingredients and a premium additive package, this antifreeze delivers unmatched freeze and burst protection down to -200°F (-129°C) at full strength — making it the top choice for the harshest winter storage conditions.

Available in a convenient 55-gallon drum, this product is ideal for marinas, boatyards, RV dealerships, and service facilities that winterize fleets or require bulk quantities of high-performance antifreeze.

Key Features:

• Extreme burst protection to -200°F (-129°C); freeze protection range of -98°F to -103°F (-72°C to -75°C)
• Non-toxic, virgin USP-grade propylene glycol formula — safe for use in potable drinking water systems
• Premium corrosion inhibitors protect aluminum, copper, brass, and solder without harming rubber seals or hose materials
• Alcohol-free formula — contains no ethanol or methanol
• 3X-dyed blue color for excellent blow-through visibility during winterization
• Ready-to-use or dilutable — follow label directions for proper dilution ratios
• Safe for all engine types including aluminum block engines
• Suitable for marine engines, RV water systems, drinking water plumbing, and seasonal storage applications

The 55-gallon drum format (MPN: 316G55) provides a cost-effective bulk supply for high-volume winterization needs. Whether protecting engine cooling systems or freshwater plumbing, Star Brite's -200°F antifreeze concentrate delivers professional-grade reliability season after season.