How to Choose a Backing Pad for Hook and Loop Discs
By Quality Industrial Abrasives and Tools | Benchmark Abrasives | Published: 2026-10-20
Category: Buying Guides
Learn how to select the right backing pad for hook and loop discs, including key factors like size, compatibility, and durability.
Quick Answer
Choose a backing pad that matches your sander's size and disc attachment type. For hook and loop discs, ensure the pad has a compatible hook surface and the right diameter for your tool.
Size and Compatibility Matter Most
The most critical factor when selecting a backing pad is size. A 6-inch pad is standard for many DA sanders, but you must verify that your sander uses 6-inch discs. Using a mismatched size can lead to uneven sanding and premature wear.
Attachment type is equally important. Hook and loop discs require a pad with a loop or hook surface that grips the disc securely. PSA (pressure-sensitive adhesive) discs, on the other hand, use a peel-and-stick backing and are not interchangeable with hook and loop pads.
Material and Construction Affect Performance
Backing pads are typically made of urethane foam, which offers flexibility and durability. A pad with reinforced inner construction, such as steel struts molded into the hub, provides stability while maintaining an even surface. This is especially important for tasks like paint preparation and blending.
A softer pad conforms better to curved surfaces, while a firmer pad offers more aggressive sanding. Consider the type of work you do most often when choosing between flexibility and rigidity.
Decision Rules for Backing Pad Selection
- Check disc size: Measure the diameter of your sanding discs. The backing pad must match exactly (e.g., 6-inch pad for 6-inch discs).
- Verify attachment type: If you use hook and loop discs, choose a pad with a hook surface. If you use PSA discs, select a PSA-specific pad. They are not interchangeable.
- Consider pad material: Urethane foam pads offer flexibility and durability. Look for reinforced construction for added stability and even sanding.
- Match sander type: Ensure the pad is designed for your sander type (e.g., random orbital or DA sander). Check the sander's specifications for pad compatibility. Always test the pad on your sander before starting a project to ensure a secure fit.
Product Facts
- 6" DA Orbital Sander Backing Pad for Hook & Loop Discs: The 6" DA Orbital Sander Backing Pad for Hook & Loop Discs is made of urethane foam and features steel struts molded into the center hub for stability. This construction provides a durable, even surface that helps maintain consistent sanding results, especially during blending and paint prep.
6" DA Orbital Sander Backing Pad for Hook & Loop Discs - 6" DA Orbital Sander Backing Pad for PSA Sanding Discs: The 6" DA Orbital Sander Backing Pad for PSA Sanding Discs is designed for peel-and-stick PSA discs and uses durable urethane foam for flexibility. If you use PSA discs, this pad ensures a secure bond and even support, but it is not compatible with hook and loop discs.
6" DA Orbital Sander Backing Pad for PSA Sanding Discs
Who Should Choose What
Best for
- Users who primarily use hook and loop discs and need a durable, stable pad for even sanding.
- Professionals who require a pad that conforms to curves while maintaining support for blending and paint prep.
Not for
- Users who rely on PSA discs—they should choose a PSA-specific backing pad instead.
- Those with sanders that use a different disc size (e.g., 5-inch) should select a matching pad.
