Industrial Recycling Solutions
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IRSI, which is the only family, owned patented process antifreeze re-manufacture' in the state of Arizona had humble beginnings. IRSI first started as On-Site recycling in 1995 using an on-site filtering technique. In 1999 On-Site recycling became IRSI, added parts washers and rented a 2400 sq ft warehouse in Phoenix, Arizona.

Still today, IRSI operates in Phoenix, AZ for the purpose of re-manufacturing spent (used) engine antifreeze / coolant and recycling of safety solvents. The patented distillation method that IRSI uses to restore antifreeze brings the very best to the coolant market. Through diligence and commitment to quality we have the best and latest patented re-manufacturing process in the business today.
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Millions of gallons of used antifreeze are generated each year during routine preventative and other maintenance procedures. A significant percentage of this waste is generated by vehicle fleet operations, automotive repair facilities, and heavy duty truck shops. Used antifreeze that was routinely dumped down the drain is now being recycled by S48R using our own patented vacuum distillation technology.
IRSI Conventional Antifreeze / Coolant is a product that can be used in a wide variety of automotive vehicles where a low silicate product is required. This conventional antifreeze / coolant is also suitable for use in industrial internal combustion engines where an antifreeze / coolant is required to provide protection against freezing, boil over, and corrosion.
S48R Extended Life Global (HOAT) is an organic acid fully formulated extended life Ethylene Glycol antifreeze / coolant meeting ASTM D-3306. Hoat chemistry combines the best of conventional, inorganic with the addition of an organic acid to provide the ultimate protection against rust and corrosion.
The S48R 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. S48R 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.
Automotive service facilities statewide are saving money with Non-Aerosol Brake Cleaner from S48R. Non-aerosol, non-chlorinated Brake Cleaner is less expensive. Auto shops can typically save hundreds of dollars per year by switching to non-aerosol brake parts cleaner. Non-aerosol, non-chlorinated Brake Cleaner is easy to use.
Reviews (2)
Red Rock Auto Center
Red Rock Auto Center
Dec 20, 2020
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I,ve been using IRS for may years to take the used oil and keep us stocked on antifreeze, Breakclean, and service our solvent tanks. They have always provided great service at a fair and reasonable price. The drivers have always been super nice and professional.
Tim Miller
Tim Miller
Sep 22, 2020
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This place should be ashamed of themselves people trying do so the right thing with waste get charged more to get ride of then you paid for it like bad gas 3.00 a gallon to get rid of this is why people dump the shot in the desert