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Poly Ultra (OAT) Antifreeze / Coolant

Poly Ultra Coolant 55 Gallon DrumThe IRSI POLY ULTRA (Organic Acid Technology) was developed to fulfill the needs of a non-nitrite, non-amine, non-phosphate, (NAPS free) non-silicate type chemistry. IRSI POLY ULTRA depletes much slower than conventional and OAT (dex-cool) type chemistries. Some automotive engine OEM’s manufacturers have elected to have a NAPS free type of chemistry in their coolant line.

Poly Ultra Antifreeze

IRSI POLY ULTRA COOLANT can be used in a drain and fill option and will offer a recommended change interval (if properly maintained) of 750,000 miles! IRSI POLY ULTRA is compatible with gaskets, elastomers and other engine cooling system components and of course meets ASTM D-3306. This product is ‘ready-to-use’. Do not add water or other ingredients.

Safety Data Sheet

When IRSI POLY ULTRA is used as directed it will provide satisfactory performance in most cars including but not limited to the following:

  • GM
  • Honda
  • Mercedes
  • Kia
  • BMW
  • Ford
  • Fiat
  • Porsche
  • Audi
  • Chrysler
  • Volvo
  • Hyundai
  • Jeep
  • Lexus
  • Subaru
  • Toyota
  • Nissan
  • VW
  • Saturn

Poly Ultra Antifreeze Colors:


Gold AntifreezeRed AntifreezeBlue AntifreezeOrange Antifreeze

American Society for Testing and Materials NORA - An Association of Responsible Recyclers Focus on the Family Neighborhood Christian Clinic Reuse and Recycle Fulfleet Antifreeze