what about ‘polish’ - mch · what about ‘polish’ ? ... stain remover & product of...

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What about ‘polish’ ? Has a limited life & must be renewed Can cause corrosion Prevents return of early stage tea staining Oil or lacquer E. Protect Most expensive Changes the design appearance Best tea staining resistance Finest grit D. Polish Misses grooves on rough finishes Quick / cheap Finer grit C. Buff Slowest Exposes sulphides Removes pits Grit B. Cut Messy Access / safety / pollution concerns Longevity ? Quickest Returns surface to design standard Acids A. Dissolve stains Against For How

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Page 1: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

What about ‘polish’ ?

• Has a limited life & must be renewed

• Can cause corrosion

• Prevents return of early stage tea staining

Oil or lacquerE. Protect

• Most expensive• Changes the design

appearance

• Best tea staining resistanceFinest gritD. Polish

• Misses grooves on rough finishes• Quick / cheapFiner gritC. Buff

• Slowest• Exposes sulphides

• Removes pitsGritB. Cut

• Messy• Access / safety /

pollution concerns• Longevity ?

• Quickest• Returns surface to

design standardAcidsA. Dissolve

stains

AgainstForHow

Page 2: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

Where do I get it ?

• Hardware store / Bunnings• Coles / Woolworths• Welding suppliers• Cleaners warehouse

• WHAT DO I GET ?????

Page 3: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

A. Dissolve the stains

• Use a phosphoric acid based rust treatment

• Leave it on the steel long enough to dissolve the stains

• read the label

Page 4: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

Good One !

Page 5: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

A slow worker

Page 6: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

Good one

Page 7: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

Not recommended – Cr2O3 not

needed and H3PO4concentration low

Page 8: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

Works well

Page 9: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water

Sulphamic acid works more slowly, and

brightens the stainless steel.

Good for light staining.

Page 10: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water
Page 11: What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA ... [resurface with a cloth dampened (not soaked) with water