850 RTU is a ready to use, multi-metal safe corrosion inhibitor for use in engine cooling systems to protect from premature failure due to corrosion. 850 RTU is packaged as a convenient liquid capable of being added directly into filler necks of cooling water systems.
- Inhibits corrosion of all metals including: cast iron, steel, copper, brass, solder, and aluminum.
- Passes ASTM D1384-80.
- Does not contain chromate or zinc metal compounds.
- Solution is normally regarded as non-regulated and biodegradable upon disposal.
- Can be used with ethylene glycol based antifreezes.