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Belt Calculator – PN721 Yellow Polishing Felt Sanding Belts
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PN721 felt polishing belts in any custom size for final finishing and polishing stages.
Enter your required belt width and length below to configure your custom belt and view pricing.
Description
PN721 Yellow Polishing Felt Belts – Felt Belts for Polishing & Refinement Made to Your Size
The PN721 yellow polishing felt belt is used in finishing and polishing processes where the belt acts as a carrier for compounds or as a refinement medium to improve surface appearance. Felt belts are typically chosen when you’re aiming for a polished or refined finish rather than scratch removal.
In many processes, felt belts are used after abrasive sanding steps (such as coated abrasives or surface conditioning) to enhance the final appearance and reduce visible haze, depending on the compound and process used.
Use our Belt Calculator to order PN721 felt belts in custom belt sizes to match your machine.
Why Choose a Felt Belt?
- Designed for polishing and final refinement stages
- Works with compounds (process dependent)
- Helps improve surface appearance after abrasive steps
- Lower scratch introduction compared with abrasive belts
Best Applications
- Polishing and final finishing
- Refining appearance after sanding
- Finishing processes using polishing compounds (where applicable)
Felt vs Surface Conditioning vs Coated Abrasives
| Belt Type | Typical Use |
|---|---|
| Felt (PN721) | Polishing/refinement, often with compound |
| Surface Conditioning | Blending, satin finishing, scratch softening |
| Coated Abrasives | Scratch removal, stock removal, grit stepping |
Order the Exact Belt Size You Need
With our online abrasive belt calculator, you can:
- Enter your belt width and length
- Choose grit size
- Get instant pricing
- Avoid ordering incorrect sizes
This ensures the belt you receive is made specifically for your machine, reducing downtime and waste.
Common Questions
Do felt belts remove scratches?
They are primarily for polishing/refinement. Scratches are normally removed in earlier abrasive steps.
Can I use compound with PN721?
Felt belts are often used with polishing compounds depending on your process and material.
Can I order custom sizes?
Yes — use the belt calculator to configure your belt dimensions.
Additional information
| Grit Type | |
|---|---|
| Substrates/Surfaces | Non-Ferrous Metals, Stainless Steel, Carbon/Mild Steel, Glass |
| Characteristics |





















































