METALGUARD® A65

METALGUARD A65 is a fully-formulated, precharged extended life additive package that contains the initial charge of supplemental coolant additive (SCA). It was developed to allow the antifreeze producer to meet the myriad of specifi cations in the extended life category of antifreezes. METALGUARD A65 is a hybrid and nitrited organic acid technology (HOAT/NOAT) additive system, containing both carboxylic acids (OAT technology) and azoles/ inorganic salts (conventional technology). While OAT-only antifreezes have compatibility problems with conventional antifreeze formulations, HOAT formulations are compatible with OAT, HOAT, NOAT (nitrited organic acid technology) and conventional azole/inorganic salt type antifreeze/coolants.

METALGUARD A65, when blended with ASTM antifreeze grade ethylene glycol/water in accordance with WEBA Technology’s instructions, will produce an antifreeze concentrate which contains a minimum of 2400 ppm nitrite. It is phosphate, 2EHA, silicate and amine/triethanolamine-free. If a combination of nitrite and molybdate is required by the specifi cation for the coolant application we recommend WEBA’s METALGUARD A90.

Antifreeze made with METALGUARD A65 will be suitable for passenger cars, vans, SUV’s, light trucks and heavy-duty vehicles. It will demonstrate outstanding aluminum corrosion control in addition to superior protection for copper, brass, solder, steel and cast iron. METALGUARD A65’s substantial nitrite content will also control pitting/cavitaion damage to diesel engine wet sleeve cylinder liners. In heavy-duty applications, antifreeze made with METALGUARD A65 will have a service life of 600,000 miles with the addition of an additive booster at 300,000 miles. The service life can be extended to one million miles by monitoring the coolant every 300,000 miles. In off-road service, coolant made with A65 will provide a service life of 12,000 hours, or 6 years, whichever comes first. At every oil change the antifreeze should be checked to be sure that the pH is in the proper range and that the sample is free of significant precipitates, suspended solids, cloudiness or contamination.

METALGUARD A65 can be blended with either ethylene or propylene glycol, and can also be used with either virgin or high-quality re claimed glycol from distillation units.

Specifications

• ASTM D 3306
• ASTM D 4985
• ASTM D 6210
• TMC of ATA RP329/338

Nearly all of OEM automotive light-duty ad heavy-duty specifications are patterned after or identical to the ASTM standard specifi cations given above. For individual OEM specification compliance contact your sales representative. Note that the ASTM specifi cations listed include the key performance tests (ASTM D1384, D4340, D1881, D2570, D2809).