Silverline Polishing Polish Cutting Compound 500g Coarse Black - 107862

Silverline Polishing Polish Cutting Compound 500g Bar Grade Coarse Black

Barcode: 5024763037597

MPN: 107862

Overview:

The (Coarse Black) Polishing & Cutting Compound 500g Bar Coarse Black is a colour-coded first-stage compound designed to cut back surface defects on a wide range of metals before final polishing. Supplied as a convenient 500g block for fuss-free application and simple storage, it’s ideal for workshop restoration and preparation work. Coarse Black helps remove scratches, pitting and light rust, leaving the surface ready for further buffing with finer compounds. Suitable for both hard and soft metals including iron, steels (including stainless), copper, brass and aluminium, it performs best when used with sisal buffing wheels and applied little and often.

Key Features

• Coarse Black grade for first-stage polishing of most metals

• 500g colour-coded bar for easy identification and storage

• Helps remove scratches, pitting and light surface rust

• Prepares surfaces for further buffing and polishing stages

• Suitable for hard and soft metals, including stainless steel

• Best used with sisal buffing wheels

• Apply little and often for consistent cutting performance

Specifications

• Brand: Silverline

• Product Type: Polishing / cutting compound bar

• Grade: Coarse Black

• Weight: 500g

• Colour: Black

• MPN: 107862

• Barcode: 5024763037597

• Suitable Materials: Iron, steel (including stainless), copper, brass, aluminium

• Recommended Wheel Type: Sisal buffing wheels

Applications

• First-stage cutting and polishing of metal surfaces

• Removing scratches and oxidation marks prior to finishing

• Cutting back pitting and light rust on metalwork

• Restoration, refurbishment and preparation before final buffing

How to Use

• Fit a sisal buffing wheel to your polishing machine

• With the wheel spinning, lightly load it by touching the compound bar to the wheel

• Buff the surface using steady pressure and controlled movement

• Re-apply compound little and often to maintain cutting action

• Wipe clean, inspect, then progress to a finer compound for final shine

Coarse Black Cutting Compound – Key FAQs

• What is Coarse Black compound used for?
  Coarse Black is a first-stage cutting compound used to remove scratches, pitting and light rust from most metals before moving on to finer compounds for finishing.

• Which metals can I use Coarse Black on?
  It’s suitable for iron, steel including stainless steel, copper, brass and aluminium, making it a solid all-rounder for general metal prep and restoration.

• What buffing wheel works best with Coarse Black compound?
  Sisal buffing wheels are recommended, as they provide the firmness needed for effective first-stage cutting and cleaning on a wide range of metals.

• How should I apply the compound during use?
  Lightly load the spinning wheel, then apply little and often while polishing to keep performance consistent and avoid overloading the wheel with compound.

• Will Coarse Black leave a mirror finish?
  It’s designed for initial cutting and preparation. For a high-gloss or mirror finish, follow with a finer polishing compound after the surface is cleaned and refined.

• Can Coarse Black remove heavy rust?
  It can tackle light surface rust and staining, but heavy corrosion may need additional preparation before polishing for the best end result.

How the grades work

1. Coarse Black 107862 - is first-stage polishing of most hard and soft metals.
2. Fine Blue 107879 - is final-stage polishing of plastics and most metals.
3. Coarse Brown 107868 - is first-stage polishing of soft metals use with spiral-stitched buffing wheels for best results.
4. Green 107889 - is first-stage polishing of soft metals and final buffing of hard metals use with sisal buffing wheels for best results.
5. Fine Red 107883 - is for polishing and buffing of gold and silver use with loose-leaf and felt buffing wheels for best results.
6. Fine White 107874 - is final polishing of hard metals.