What about ‘polish’ - MCH · What about ‘polish’ ? ... STAIN REMOVER & PRODUCT OF AUSTRALIA...

Post on 16-Aug-2018

221 views 0 download

transcript

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

Where do I get it ?

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

• WHAT DO I GET ?????

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

Good One !

A slow worker

Good one

Not recommended – Cr2O3 not

needed and H3PO4concentration low

Works well

Sulphamic acid works more slowly, and

brightens the stainless steel.

Good for light staining.