Zerust Cor­ro­sion Con­trol A

New Zealand Classic Car - - A Closer Look -

ny­one who has tack­led a com­plete or par­tial clas­sic car restora­tion them­selves will know all about rust and cor­ro­sion — in­deed, a large part of many restora­tion projects will cen­tre around patch­ing up the long-term dam­age caused by th­ese fac­tors. How­ever, it’s not just the bod­ies of our clas­sic cars that can be af­fected, even items such as fas­ten­ers and screws, as well as smaller car parts, can rust away if left un­pro­tected — and as home-based restora­tion projects can take many months, or in­deed many years to reach com­ple­tion, pro­tect­ing all the hun­dreds of parts and fas­ten­ers re­moved from a car dur­ing that pro­ject can be­come a ma­jor con­cern.

For­tu­nately, an ef­fec­tive and sim­pleto-use method of con­trol­ling rust and cor­ro­sion is now avail­able in New Zealand — one that doesn’t rely on the time­con­sum­ing ap­pli­ca­tion of po­ten­tially toxic and messy coat­ings of grease, oil or paint. In­deed, this sys­tem is as sim­ple as seal­ing the parts that need pro­tect­ing within a zip-lock bag — how easy is that?

If that all sounds like black magic, then you’ve prob­a­bly never heard of Vapour Cor­ro­sion In­hibitors (VCI). This is the tech­nol­ogy em­ployed in Zerust’s in­no­va­tive range of cor­ro­sion-pro­tec­tion prod­ucts — and the sys­tem has long been in use within the mil­i­tary and in the min­ing in­dus­try, prov­ing its worth in in­hibit­ing rust and cor­ro­sion on ma­chin­ery that, for one rea­son or an­other, has been moth­balled for later use.

Pre­vent­ing rust and cor­ro­sion

The Vapour Cor­ro­sion In­hibitors (VCI) uti­lized by Zerust prod­ucts — the main in­gre­di­ent be­ing sodium ni­trite — pre­vent cor­ro­sion by re­leas­ing a vapour within an en­closed space. The over­all ef­fect is rather like the an­ode/cath­ode method used in chroming — the va­por cor­ro­sion­in­hibitors form­ing a pro­tec­tive bar­rier that ef­fec­tively in­ter­rupts the elec­tro­chem­i­cal cor­ro­sion process.

The va­por cor­ro­sion-in­hibitor por­tion of Zerust prod­ucts is made of pro­pri­etary chem­i­cal for­mu­la­tions that are in­vis­i­ble, odour­less, non toxic, non re­ac­tive, non flammable and non al­ler­genic, so are safe to use. The pro­tec­tive layer pro­duced will then re­main on the sur­face of the metal as long as there is no sig­nif­i­cant, con­tin­u­ous ex­change of air.

Zerust’s prod­ucts range from VCIim­preg­nated plas­tic bags and sheath­ing to small strips and larger cap­sules, prod­ucts that can ac­tively pre­vent cor­ro­sion for any­where be­tween two and five years de­pend­ing upon the ap­pli­ca­tion uti­lized.

The uses for Zerust are not re­stricted to pro­tect­ing parts — pop one of its cap­sules or spe­cial draw lin­ers into your tool box, close it up, and you’ll keep that pesky sur­face rust away from your valu­able tools. Zerust prod­ucts are even great for keep­ing cor­ro­sion away from in­board en­gine bays on launches and jet-skis. Vci-im­preg­nated plas­tic sheath is also avail­able in 200mm and 300m widths and th­ese can be cut to sizes suit­able for stor­ing longer items such as prop­shafts. In­deed, Zerust can even sup­ply VCIim­preg­nated bags large enough to con­tain an en­tire car or mo­tor­cy­cle — seal up the bag and you’ve got the per­fect clas­sic-car stor­age so­lu­tion.

Even bet­ter, the Zerust sys­tem is eas­ily af­ford­able, with sim­ple VCI strips and zip-lock bags cost­ing as lit­tle as a few dol­lars — so there’s no ex­cuse not to try Zerust prod­ucts.

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