The Mail-Journal, Volume 6, Number 37, Milford, Kosciusko County, 15 October 1969 — Page 22

Fight Rust, Corrosion with Frequent Washes

Check of Map Will Reveal Area Hazards The U.S. Department of Commerce reports that corrosion loss in the United States is estimated at $lO-billion annually and, perhaps 50 per cent of this loss is in the automotive field. It appears this figure is on the rise. One of the contributing factors is current vehicle body design. This, along with industrial fallout and air pollution, moist and salty coastal air, road chemicals, heated garages, snow and just plain water — the principal causes of rust and corrosion — points toward continuing rust problems for car and truck owners throughout the U.S. Although auto companies spend millions of dollars each year on rust preventives, an estimated 30 per 1 cent of all buyers still get additional aftermarket rust protection for their cars and trucks. Rust Begins Inside In the past few years, the manufacturers have stepped up their use of rust-inhibiting primers either with a spray application or dip. Use of galvanized steel, zinc and aluminum coatings have also increased. But, body design, in itself, an ever-changing necessity, aggravates the problem as certain design features

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’y ■ ~ WINNIPEG 2R« / K \ / • BISMARCK f y -T MIN NEA PO N T 3C * R I / / I Q|MILWAUKEE4R> Im- / / -/ r~‘" 1 y *— «lt L .K t cfn-7A- 7 ____J__~ ” 3C " Q/AN FRANCISCO-2 C / / •r>FNvro - i V l jw \T I I Ut I r^^^K0 RFOLK 4CH ANGELES 2C / / 1-• SAN DIEGO _ - I, -r # / I >^^^TLmMMMMmSiSS^^ harleston 4CH t 4CIH KENNEDY 4CH KEY 4CIH NEW ORLEANS 4CH 1) No problem; 2) mild to average; Christi 4CH C 3) bad to severe; 4) most severe; ’•RD KfyM . T C) moist coastal air; I) industrial fallout; tb R) road chemicals; H) humidity.

There arc few areas in the United States or Canada that are immune from corrosion. Areas depicted in dark grey have the most severe problems. Lighter shades of grey have trouble of progressively less

are conducive to corrosion. Often those curving lines attractive to the eye lead to confined, poorly .ventilated areas in which moisture and dirt can accumulate. And, it is now an accepted fact that most rust begins from the inside, rather than from the outside as had been the popularly accepted theory. Salt, either from the air in coastal regions or from deicing chemicals, has often been felt

to be the principal culprit in speeding up rust destruction. However, recent studies, such as those conducted by the Ontario Highway Department, are specifically reporting that "atmosphere pollution rather than salt is shaping up as the real villain in the rusting of automobiles.” Over New York City alone, almost 600,000 tons of sulfur dioxide is in the air and a simple rain contributes to form dilute acid which accelerates

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severity. White areas are relatively corrosion-free. Polluted or salt air take a heavy toll of car bodies as do salt and other types of chemicals on winter roads.

the natural tendency of steel to rust. In fact, pure water itself has been found to be more corrosive than certain salt solutions. Heated garages, where solid ice or snow on a vehicle is turned into a liquid state in the melting process, also are rust inducing. Now Safety Problem Besides the obvious liability to a* vehicle’s looks and resale value, auto rust also is be-

coming an increasing safety problem. The Society of Automobile Engineers (SAE) has stated that salt spray rapidly deteriorates brake lines and steering apparatus, and some fleets report that 40 per cent of their brake lines are rust damaged after two years of service. Frequent car washes as well as commercial rust-proofing can fight deterioration and add value to a car at trade-in time.