Hercules Cryo-Tek? - 100 35284 Anti-Freeze, 5 gal, Liquid: Pink Hercules Cryo-Tek? - 100 Antifreeze provides maximum freeze protection for hydronic heating, cooling, potable water and closed-loop solar systems, most solar heating systems, snow melts, radiant heat and general plumbing systems. Plumbers have come to trust the Hercules offering to provide the highest quality of plumbing products. Hercules Cryo-Tek? 100 Anti-Freeze, Can, 5 gal, 47 lb Net Weight, Composition: 40 to 80% Propylene Glycol, 40 to 60% Water, Liquid, Pink, Odorless, 1.04 Specific Gravity, 212 deg F Flash, 8.5 to 10 pH, 575 g/l VOC, 10 cP Viscosity Rating, Applicable Materials: Cast Iron, Steel, Copper, Brass and Solder, Domestic Contains virgin (not recycled) propylene glycol with triple protection corrosion inhibitor Pre-mixed, ready-to-use formulation Applicable Materials: Cast Iron, Steel, Copper, Brass and Solder Key Features: Ready-to-Use (50/50): No need to mix with water, providing ease of use and convenience. Wide Temperature Range: Effective in extreme temperatures with a minimum operating temperature of -70F and a maximum operating temperature of 250F. Non-toxic and Safe: Formulated with virgin propylene glycol, this antifreeze is designed for safe use in various plumbing and heating systems. Color: Pink, for easy identification and maintenance checks. Trusted by Professionals: Used by plumbers and heating experts for the highest quality performance in antifreeze applications. Specifications: Brand: Hercules Sub Brand: Cryo-Tek Container Size: 5 gallons Product Type: Antifreeze Product Form: Liquid Color: Pink Maximum Operating Temperature: 250F Minimum Operating Temperature: -70F Full Strength or Ready to Use: Ready to Use (50/50 mix) Product Weight: 46.45 lb Product Dimensions: 12 x 12 x 14.5 inches Country of Origin: US ColorPink Container Size5 gal Container TypeCan FormLiquid Specific Gravity1.04 at 60 to 65 F F Flash Point 212F F ManufacturerOATEY Manufacturer #35284 Odor / ScentOdorless pH Range8.5 to 10 Temperature Rating 212 F F Viscosity Rating10 cPs VOC Content575 g/L Application: Hercules Cryo-Tek Antifreeze is ideal for use in systems that require reliable, long-term protection against freezing, including radiant heating, solar heating, snow melt systems, and general plumbing applications. Its cryogenic protection ensures that your systems will operate efficiently, even in the harshest climates.