Sanding and polishing for automotive refinishing

Here are some of our best how-to guides and tips for your collision repair and automotive refinishing needs.

One-step denibbing process for light coloured surfaces with cordless Mirka® AOS-B 32mm and Mirka® ARP-B 77mm

Do you want to remove dust nibs faster on a light coloured surface?

  • Start the sanding with Polarstar® SR and Mirka® AOS-B to get an easier and faster one-step denibbing system for the paint finish. Remember to use water when sanding with Polarstar. 
  • This is a smooth solution for removing dirt nibs and other small imperfections in the lacquer.
  • Polishing with Polarshine® 10 will restore the gloss after denibbing. When working with a black or dark coloured car, use the black pad for best results.


Products:
Abrasives for automotive refinishing:
Polarstar SR 32mm
Cordless tools: 
Mirka® AOS-B 130 NV and Mirka® ARP-B  300NV 77mm

Accessories: 
Finessing Damper and Cleaning Cloth Micro Fiber

Polishing Pads: 
Polishing Foam Pad, Yellow Waffle
Polishing Compounds:
Polarshine® 10

 



Two-step denibbing process for dark coloured surfaces with cordless Mirka® AOS-B 32mm and Mirka® ARP-B 77mm

Do you want to remove dust nibs more effectively? Follow this two-step denibbing process for an easy and fast process with our cordless solution.  

  • Start the sanding with the cordless Mirka® AOS-B together with the Polarstar® SR abrasive for spot repair. You should always use water when sanding with Polarstar.
  • The Mirka® ARP-B rotary polisher is perfect for polishing small areas - effective and fast. It’s ideal for professionals who appreciate the freedom of movement and low maintenance of a cordless polisher. 
  • Start with a yellow waffle pad and then move to the black pad for finishing, using Polarshine® 10 on both pads.

When working with black surfaces, the black waffle pad will give us the best finish and a deep shiny gloss.


Products:
Abrasives for automotive refinishing:
Polarstar SR 32mm
Cordless tools: 
Mirka® AOS-B 130 NV and Mirka® ARP-B  300NV 77mm

Accessories: 
Finessing Damper and Cleaning Cloth Micro Fiber

Polishing Pads: 
Polishing Foam Pad, Yellow Waffle and Polishing Foam Pad, Black Waffle
Polishing Compounds:
Polarshine® 10



Fresh clear coat - how to get small defects removed with Golden Finish and 77mm tools

The Golden Finish system is your best friend when it comes to small and medium-size post-paint refinishing, removing nibs, drips and orange peel from the surface of your car.

Sanding 

  • Start with dry sanding the surface with your Mirka® DEROS 350CV set at 5000-7000 RPM.
  • Move to wet/damp sanding with the Golden Finish 2 pad and interface, spraying the surface and the abrasive with water. 

Polishing

  • Polish with Mirka® ARP-B rotary polisher and the yellow waffle Golden Finish Pad 1, using Polarshine® 20 – set the speed at 800-1200 RPM.
  • Finish the job with the black waffle Golden Finish Pad 2 and Polarshine® 5. Always shake all compound bottles well before using them.

Products:
Abrasives: Golden Finish 1 and Golden Finish 2 
Power tools:  Mirka® DEROS 350 CV and Mirka® ARP-B
Accessories: Cleaning Cloth Micro Fiber and Interface 77mm, 6H 5mm
Polishing Pads: Golden Finish Pad 1, Golden Finish Pad 1
Polishing Compounds: Polarshine® 5 and Polarshine® 20





Learn more about the Golden finish system

 

Fresh clear coat - how to get larger defects removed with Golden Finish and 150mm tools

Would you like to speed up your post-paint work and get rid of defects and imperfections in a fresh painted clear coat?

We’ve got the solution for you! Thanks to the easy-to-use Golden Finish system you can get the same great result again and again and turn a good paint job into an amazing one. The 150mm abrasive is perfect for larger areas but also suitable for any nibs, drips or orange peel.

Sanding

  • Start with the Golden Finish 1 on the Mirka DEROS 650CV, running it at approximately 6000-8000 RPM.
  • Wiping the surface clean and spraying on a layer of water, we move to sanding with Golden Finish 2 150mm.

Polishing 

  • Use the yellow waffle Golden Finish Pad 1 and Polarshine® 20 on the PS 1437, using a 135mm soft edge backing pad. The polisher should be used at around 1000 RPM.
  • The final step is with the black Golden Finish Pad 2, with the Polarshine® 5 Finishing Compound.

Products:
Abrasives: Golden Finish 1 and Golden Finish 2 
Power tools:  Mirka® DEROS 650 CV and Mirka® PS 1437 
Accessories: Cleaning Cloth Micro Fiber, Interface 150mm, 67H 5m, Backing Pad 135mm
Polishing Pads: Golden Finish Pad 1, Golden Finish Pad 1
Polishing Compounds: Polarshine® 5 and Polarshine® 20





Learn more about the Golden finish system

How to remove small defects with 77mm power tools

The Mirka® DEROS 350CV and 77mm Microstar® abrasive is perfect for removing small imperfections from small to medium size areas.

  • First with the Mirka® DEROS 350CV set to 5000-7000 RPM, using the Abralon® 3000 without an interface. 
  • Move on to wet sanding with the 77mm Microstar® and interface, and after that, it’s time for polishing with the Mirka® ARP-B rotary polisher.
  • Yellow waffle first, using Polarshine® 10, and finishing with the black waffle pad and Polarshine® 10, as we are working on black paint.

Products:
Abrasives for automotive refinishing: Microstar® 77mm and Abralon® 3000
Power tools: Mirka® DEROS 350CV® and Mirka® ARP-B  300NV 77mm
Polishing Pads: Polishing Foam Pad, Yellow Waffle and Polishing Foam Pad, Black Waffle
Polishing Compounds: Polarshine® 10YrY5BGCJAbM





How to remove larger defects and scratches with 150mm power tools

Remove scratches from the clear coat using a 150mm Microstar® on the Mirka® DEROS 650CV. For example, you can easily remove scratches left on the engine cover.

  • Wipe the surface after dry sanding, then move to wet sanding with an Abralon® 150mm. Spray with water before starting work.
  • Then, it’s time to move to polishing with a Lambswool Pad Pro on the Mirka® PS 1437 Polisher – an aggressive combination together with the Polarshine® 20.
  • That already gives us a nice, shiny finish, but for perfection, we are moving to the yellow waffle polishing foam pad with Polarshine® 10.
  • Finally, the black waffle pad for dark coloured surfaces.

Products:

Abrasives for automotive refinishing: 
Microstar® 150mm and Abralon® 150mm

Power tools: 
Mirka® DEROS 650CV 150mm and Mirka® PS 1437 150mm

Polishing Pads: 
Polishing Foam Pad, Yellow Waffle, Polishing Foam Pad, Black Waffle, and Lambswool Pad Pro

Accessories: 
Backing Pad 135mm

Polishing Compounds: 
Polarshine® 10