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Distinguishing between ferrous and non ferrous metals.

Knowing what metal you are polishing will help you choose which mopscompounds and polishing kits to use. Herewith some clarification.
All metals can be classified as either being Ferrous or Non-ferrous.

Ferrous metals contain iron and sometimes have small amounts of other metals or other elements added to give a required property. They are magnetic and give little resistance to corrosion. These metals are Mild Steel, high speed steel, stainless steels, high tensile steels, high carbon steels, medium caron steels and cast iron.

Non ferrous metals do not contain any iron, are not magnetic and are generally more resistant to corrosion than ferrous metals. Aluminium, Aluminium alloys, copper, brass, lead, zinc, tin and gilding metal.

A pure metal consists of a single element or atom type. Common pure metals are:-aluminium, copper, iron, lead, zinc, tin, silver and gold.

Alloys are a mixture of two or more metals. For example, pure white aluminium is very soft and ductile. Other elements are added to create an aluminium alloy. The aluminium alloy is stronger than Mild Steel, has an improved strength and is resistant to corrosion while still remaining very light.

And there you go. I hope this helps. www.polish-up.com.au

A general introduction to buffing and polishing of metals.

https://www.youtube.com/watch?v=Fe_KjYuCB-c&t=12s

Ever wonder how the polishing process works using polishing wheels, mops or buffs with compounds?. Take the hard yards out of physically doing it by hand, you can use a drill machine, bench grinder or a polishing/sander type machine.

Broadly speaking: You have various types of polishing mops ranging in many shapes and sizes depending on what you would like to polish. Examples to name a few – sisal, white stitch, colour stitch, loose flap, swansdown etc.

Polishing compounds with varying abrasives capabilities are an important component of this process and when applied to the relevant mop enhances the polishing task.  These compounds consist of a wax substance mixed with different abrasive powders. 

Like sand paper and water paper, you use various “grits” as it were, to remove scratches and then a finer “grit” for a brighter finish.

Whilst the polishing mop is rotating on the machine, the compound is applied. Due to the friction of the compound on the wheel, the wax melts and the abrasive and wax form a thin film on the wheel surface. It is this spinning surface that cuts away at the blemishes. The heavier the “grit” and the harder the mop, the stronger cutting capabilities whilst the finer “grit” with a softer mop gives a brilliant shine.

You’ll find that various metals and surfaces require different buffs and compounds because their condition, hardness or softness, shape and size may vary. An important point in purchasing a polishing kit, for example is first – what are you polishing, second – what machine you have to do the job with and third – do you have the spindle adaptor or mandrel for attaching the mops?

Have a look at our range at www.polish-up.com.au and see which polishing kit, buff, mop or compound will best suit your polishing need.

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