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The GUNK M516 is a ready-to-use windshield washer fluid formulated to clean automotive windshields while providing anti-freeze protection down to -144.04 degrees F. The fluid contains a methanol and isopropanol-based solvent blend that cuts through bug residues, road grime, and ice on contact. Packaged in a 16 oz bottle, it is suitable for direct reservoir use or top-off applications. The blue-tinted formula carries a pH of 10.5, a specific gravity of 0.9235, and a VOC content of 48.2 percent. Installation and refill work is performed by automotive technicians, fleet maintenance crews, and equipment operators.
The M516 is designed for use on automotive and light-duty windshield washer systems as a cleaning and de-icing fluid. Its anti-freeze additive package and low freeze point make it appropriate for cold-weather service environments where windshield ice formation is a routine concern. The fluid removes bug residues and accumulated grime from windshield surfaces during normal washer system operation. Note: this product is not for sale in California per applicable VOC content regulations.
Designed for use in standard automotive windshield washer fluid reservoirs. Not for sale in California.
Windshield washer fluid refill and reservoir service is typically performed by automotive technicians or equipment operators without special tools. Always confirm the reservoir cap is labeled for washer fluid before filling to avoid adding fluid to the coolant or other systems. This product is classified as flammable with a flash point of 57.00 degrees F — keep away from open flame and heat sources during handling and storage. Dispose of empty containers in accordance with local regulations.
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