Sisal vs. Calico vs. Swansdown

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How to choose the right polishing mop for your metal

If you are new to machine polishing or are moving into a new type of metal finishing work, one of the first questions you will face is: which polishing mop should I use? Walk into any professional polishing workshop in Australia and you will see a range of different mop types (sisal, calico, rag, swansdown, Coolair, non-woven) and choosing the wrong one for the job will cost you time, product, and a poor-quality finish.

At Australian Buff Company we manufacture the full range of polishing and buffing mops right here in Australia, and we have been helping workshops choose the right products since 1960. This guide explains the main mop types, what each one is designed to do, and how to match the right mop to your metal and your finishing stage.

First, a quick note on terminology: in the polishing and buffing industry, the word ‘mop’ refers to a rotating wheel made from textile materials; sisal, calico, cotton, swansdown fabric, and others. These are not floor cleaning mops. They mount on a polishing machine spindle or lathe and are used with polishing compound bars to progressively refine and finish metal surfaces to a desired lustre.

The three stages of metal polishing

Professional metal polishing almost always follows three broad stages: cutting, colouring, and finishing. Understanding these stages makes mop selection straightforward.

  • Cutting removes linishing marks, scratches, and surface imperfections left by abrasive belts or discs. This stage requires an aggressive mop and a cutting compound.
  • Colouring refines the surface after cutting, improving brightness and removing the marks left by the cutting stage. This stage uses a medium-density mop and an appropriate compound.
  • Finishing brings the surface to its final lustre — satin, bright, or mirror. This stage requires the softest mops and finest compounds.

Sisal mops: the cutting stage

Sisal mops are made from sisal fibre, a stiff natural material derived from the agave plant. The stiffness of sisal makes these mops the most aggressive in the range. They are designed specifically for the cutting stage, where the job is to remove linishing marks (typically 240# to 320# scratch patterns) and prepare the surface for colouring.

Australian Buff Company offers sisal mops in several configurations: standard stitched, close stitched, open faced, and in both white (untreated) and pre-treated versions. Treated sisal mops are impregnated with compound to provide a faster start and extended cutting ability. Green sisal mops are a medium-grade option that sits between the aggressiveness of the full sisal and the gentleness of calico.

For best results on ferrous metals (stainless steel, mild steel), use a sisal mop with Ausbrax (dark grey, coarsest cut) or Ausupacut (grey, medium cut). For non-ferrous metals like aluminium, brass, and copper, sisal is still appropriate at the cutting stage but pair it with a less aggressive compound like ATO32 Tripoli (brown) rather than the ferrous cutting compounds.

Calico and rag mops: the colouring stage

Once the cutting stage is complete, you move to calico or rag mops for the colouring stage. Calico is a plain-weave cotton fabric, firmer than swansdown but much softer than sisal. Stitched calico mops have concentric rows of stitching that stiffen the mop slightly and increase cutting action; unstitched calico mops are softer and better suited to the later part of the colouring stage.

Rag mops are made from layers of cotton shirting or similar soft fabric. Stitched rag mops are excellent for non-ferrous metals. They are firm enough to carry compound effectively but gentle enough to work on brass, copper, and aluminium without causing scratching. ATO32D (brown, slightly drier Tripoli) is a popular compound choice for stitched rag and calico mops working on alloys, die casts, and aluminium.

For mid-stage work on stainless steel after sisal, a stitched calico mop with SF Hyfin (white) compound provides a fast-cutting, clean result and takes the surface to a high-lustre pre-finish stage.

Swansdown mops: the finishing stage

Swansdown mops are made from the softest, finest cotton fabric in the range. They are designed exclusively for the finishing stage, the final pass that brings metal to its highest possible lustre. Because swansdown is so soft and open, it holds very little compound compared to sisal or calico; what it does is polish the surface to a mirror finish with the finest possible compound.

Swansdown mops are the go-to choice for jewellers working in gold, silver, and platinum, for trophies and silverware finishers, and for any application where the ultimate brightness of the metal surface matters. Pair swansdown with BBB (dark green bar, mirror finish) or SF Hyfin (white) for best results. On precious metals, green BBB rouge produces an exceptional, deep mirror finish.

Coolair and Airflow mops: ventilated cotton for heavy work

Coolair and Airflow mops are ventilated cotton mops with an open, airy construction that allows heat to dissipate during polishing. This makes them particularly well-suited for heavy production work or for metals that are sensitive to heat build-up. They can be used at the colouring or finishing stage depending on whether they are treated or untreated, and work well with SF Hyfin and Briteshine (blue) compounds.

Non-woven mops: consistent satin and decorative finishes

Non-woven mops (sometimes called Scotch-Brite style mops) are constructed from synthetic nylon fibres impregnated with abrasive grain. Unlike textile mops, they do not require a compound bar as the abrasive is built in. Non-woven mops produce a consistent, uniform scratch pattern, making them ideal for decorative satin and brushed finishes on stainless steel, aluminium, and other metals. Australian Buff Company stocks non-woven mops in brown (fine satin), maroon (medium), green (coarser cut), and high-strength medium grades, as well as a Clean and Strip variant for paint and coating removal.

Quick Selection Guide

  • Heavy cut, removing linishing marks: Sisal mop + Ausbrax (grey/dark grey) or Ausupacut (grey)
  • Cutting on non-ferrous metals: Sisal or stitched rag + ATO32 Tripoli (brown)
  • Colouring and mid-stage: Calico or rag mop + ATO32D or SF Hyfin
  • Finishing and mirror polish: Swansdown or Coolair + BBB green or Briteshine blue
  • Satin and brushed decorative finish: Non-woven mop (no compound required)

Frequently Asked Questions

In the polishing and buffing industry, a mop is a rotating wheel made from textile materials — such as sisal, calico, cotton, or swansdown — that mounts on a polishing machine or lathe spindle. Used with polishing compound bars, mops progressively refine metal surfaces from a linished or ground state through to a bright or mirror finish. They are unrelated to floor cleaning mops.

Sisal mops are made from stiff sisal fibre and are used at the cutting stage. They are the most aggressive mop type and are designed to remove linishing marks and deeper scratches. Calico mops are softer cotton fabric mops used at the colouring stage, after sisal has done the heavy work. Calico refines the surface and improves brightness without the aggressiveness of sisal.

Swansdown mops are the preferred choice for jewellery and precious metal polishing. The ultra-fine, soft cotton fabric produces a mirror finish without scratching delicate settings or surfaces. Use swansdown with BBB green rouge or SF Hyfin white compound for the best results on gold, silver, and platinum.

No. Non-woven mops have abrasive grain built into the nylon fibre construction, so they do not require a separate compound bar. They are used dry and produce a consistent satin or brushed finish without the need for additional compounds.

Australian Buff Company manufactures its polishing mops in Australia and has done so since 1960. We are a 100% Australian-owned and operated family business based in Coburg North, Victoria, supplying the full range of polishing buffs, mops, and compounds to workshops across Australia.